Features
TO-220FPTO-220
D²PAK
DPAK
• Output current up to 1.5 A
• Output voltages of 5; 6; 8; 8.5; 9; 12; 15; 18;
24 V
• Thermal overload protection
• Short circuit protection
• Output transition SOA protection
• 2 % output voltage tolerance (A version)
• Guaranteed in extended temperature range
(A version)
L78
Positive voltage regulator ICs
Datasheet - production data
Description
The L78 series of three-terminal positive
regulators is available in TO-220, TO-220FP,
D²PAK and DPAK packages and several fixed
output voltages, making it useful in a wide range
of applications.
These regulators can provide local on-card
regulation, eliminating the distribution problems
associated with single point regulation. Each type
embeds internal current limiting, thermal shutdown and safe area protection, making it
essentially indestructible. If adequate heat sinking
is provided, they can deliver over 1 A output
current. Although designed primarily as fixed
voltage regulators, these devices can be used
with external components to obtain adjustable
voltage and currents.
March 2014 DocID2143 Rev 32 1/58
This is information on a product in full production.
www.st.com
Contents Positive voltage regulator ICs
Contents
1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.1 Design consideration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
9 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
10 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
2/58 DocID2143 Rev 32
Positive voltage regulator ICs List of tables
List of tables
Table 1. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 2. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 3. Electrical characteristics of L7805A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 4. Electrical characteristics of L7806A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table 5. Electrical characteristics of L7808A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 6. Electrical characteristics of L7809A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Table 7. Electrical characteristics of L7812A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 8. Electrical characteristics of L7815A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 9. Electrical characteristics of L7824A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 10. Electrical characteristics of L7805C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 11. Electrical characteristics of L7806C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 12. Electrical characteristics of L7808C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 13. Electrical characteristics of L7885C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 14. Electrical characteristics of L7809C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 15. Electrical characteristics of L7812C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 16. Electrical characteristics of L7815C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 17. Electrical characteristics of L7818C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 18. Electrical characteristics of L7824C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 19. TO-220 (dual gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 20. TO-220 SG (single gauge) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 21. TO-220FP mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Table 22. DPAK mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 23. D²PAK (SMD 2L STD-ST) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Table 24. D²PAK (SMD 2L Wooseok-subcon.) mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Table 25. DPAK and D²PAK tape and reel mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Table 26. Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 27. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
DocID2143 Rev 32 3/58
58
List of figures Positive voltage regulator ICs
List of figures
Figure 1. Block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4. Application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5. DC parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. Load regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. Ripple rejection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 8. Fixed output regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 9. Current regulator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 10. Circuit for increasing output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 11. Adjustable output regulator (7 to 30 V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 12. 0.5 to 10 V regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 13. High current voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 14. High output current with short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 15. Tracking voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 16. Split power supply (± 15 V - 1 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 17. Negative output voltage circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 18. Switching regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 19. High input voltage circuit (configuration 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 20. High input voltage circuit (configuration 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 21. High input and output voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 22. Reducing power dissipation with dropping resistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 23. Remote shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 24. Power AM modulator (unity voltage gain, I
Figure 25. Adjustable output voltage with temperature compensation . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 26. Light controllers (V
= VXX + VBE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
O(min)
Figure 27. Protection against input short-circuit with high capacitance loads . . . . . . . . . . . . . . . . . . . 34
Figure 28. Dropout voltage vs. junction temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 29. Peak output current vs. input/output differential voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 30. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 31. Output voltage vs. junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 32. Output impedance vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 33. Quiescent current vs. junction temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 34. Load transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 35. Line transient response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 36. Quiescent current vs. input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 37. TO-220 (dual gauge) drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 38. TO-220 SG (single gauge) drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 39. TO-220FP drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 40. DPAK drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 41. DPAK footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 42. D²PAK (SMD 2L STD-ST) type A drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 43. D²PAK (SMD 2L Wooseok-subcon.) drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 44. D²PAK (SMD 2L Wooseok-subcon.) footprint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 45. Tube for TO-220 (dual gauge) (mm.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 46. Tube for TO-220 (single gauge) (mm.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 47. Tape for DPAK and D
Figure 48. Reel for DPAK and D
2
PAK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
2
PAK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
£ 0.5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
O
4/58 DocID2143 Rev 32
Positive voltage regulator ICs Diagram
1 Diagram
Figure 1. Block diagram
DocID2143 Rev 32 5/58
58
Pin configuration Positive voltage regulator ICs
72)3
72
'ð3$.
'3$.
2 Pin configuration
Figure 2. Pin connections (top view)
Figure 3. Schematic diagram
6/58 DocID2143 Rev 32
Positive voltage regulator ICs Maximum ratings
3 Maximum ratings
Table 1. Absolute maximum ratings
Symbol Parameter Value Unit
for V
= 5 to 18 V 35
O
= 20, 24 V 40
for V
O
for L78xxC, L78xxAC 0 to 125
for L78xxAB -40 to 125
V
°C
T
P
T
V
I
STG
OP
DC input voltage
I
Output current Internally limited
O
Power dissipation Internally limited
D
Storage temperature range -65 to 150 °C
Operating junction temperature range
Note: Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Table 2. Thermal data
Symbol Parameter D²PAK DPAK TO-220 TO-220FP Unit
R
R
Thermal resistance junc tion-case 3 8 5 5 °C/W
thJC
Thermal resistance junction-ambient 62.5 100 50 60 °C/W
thJA
Figure 4. Application circuits
DocID2143 Rev 32 7/58
58
Test circuits Positive voltage regulator ICs
4 Test circuits
Figure 5. DC parameter
Figure 6. Load regulation
Figure 7. Ripple rejection
8/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
5 Electrical characteristics
VI = 10 V, IO = 1 A, TJ = 0 to 125 °C (L7805AC), TJ = -40 to 125 °C (L7805AB), unless
(a)
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz, IO = 500 mA 68 dB
Output voltage TJ = 25°C 4.9 5 5.1 V
O
Output voltage IO = 5 mA to 1 A, VI = 7.5 to 18 V 4.8 5 5.2 V
O
Output voltage IO = 1 A, VI = 18 to 20 V, TJ = 25°C 4.8 5 5.2 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent
q
Quiescent current change
q
.
Table 3. Electrical characteristics of L7805A
VI = 7.5 to 25 V , IO = 500 mA, TJ = 25°C 7 50 mV
V
= 8 to 12 V 10 50 mV
I
V
= 8 to 12 V, TJ = 25°C 2 25 mV
I
VI = 7.3 to 20 V, TJ = 25°C 7 50 mV
= 5 mA to 1 A 25 100
I
O
= 5 mA to 1.5 A, TJ = 25°C 30 100
O
IO = 250 to 750 mA 8 50
T
= 25°C 4.3 6 mA
J
= 8 to 23 V, IO = 500 mA 0.8 mA
V
I
V
= 7.5 to 20 V, TJ = 25°C 0.8 mA
I
I
= 5 mA to 1 A 0.5 mA
O
mVI
6mA
V
eN Output noise voltage T
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
= 25°C, B =10 Hz to 100 kHz 10 µV/V
A
Output resistance f = 1 kHz 17 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -1.1 mV/°C
O
a. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 9/58
O
58
Electrical characteristics Positive voltage regulator ICs
VI = 11 V, IO = 1 A, TJ = 0 to 125 °C (L7806AC), TJ = -40 to 125 °C (L7806AB), unless
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
Output voltage TJ = 25°C 5.88 6 6.12 V
O
Output voltage IO = 5 mA to 1 A, VI = 8.6 to 19 V 5.76 6 6.24 V
O
Output voltage IO = 1 A, VI = 19 to 21 V, TJ = 25°C 5.76 6 6.24 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent
q
Quiescent current change
q
(b)
.
Table 4. Electrical characteristics of L7806A
V
= 8.6 to 25 V , IO = 500 mA, TJ = 25°C 9 60 mV
I
V
= 9 to 13 V 11 60 mV
I
VI = 9 to 13 V, TJ = 25°C 3 30 mV
V
= 8.3 to 21 V, TJ = 25°C 9 60 mV
I
IO = 5 mA to 1 A 25 100
I
= 250 to 750 mA 10 50
O
T
= 25°C 4.3 6 mA
J
= 9 to 24 V, IO = 500 mA 0.8 mA
V
I
V
= 8.6 to 21 V, TJ = 25°C 0.8 mA
I
IO = 5 mA to 1 A 0.5 mA
mVIO = 5 mA to 1.5 A, TJ = 25°C 30 100
6mA
SVR Supply voltage rejection V
V
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
= 9 to 19 V, f = 120 Hz, IO = 500 mA 65 dB
I
eN Output noise voltage TA = 25°C, B =10 Hz to 100 kHz 10 µV/V
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Output resistance f = 1 kHz 17 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -0.8 mV/°C
O
b. Minimum load current for regulation is 5 mA.
O
10/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
VI = 14 V, IO = 1 A, TJ = 0 to 125 °C (L7808AC), TJ = -40 to 125 °C (L7808AB), unless
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
SVR Supply voltage rejection
V
eN Output noise voltage T
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Output voltage TJ = 25°C 7.84 8 8.16 V
O
Output voltage IO = 5 mA to 1 A, VI = 10.6 to 21 V 7.7 8 8.3 V
O
Output voltage IO = 1 A, VI = 21 to 23 V, TJ = 25°C 7.7 8 8.3 V
O
(1)
Line regulation
O
(1)
Load regulation
O
Quiescent curr ent
I
q
Quiescent current change
q
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 18 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -0.8 mV/°C
O
(c)
.
Table 5. Electrical characteristics of L7808A
VI = 10.6 to 25 V, IO = 500 mA,
= 25°C
T
J
VI = 11 to 17 V 15 80 mV
V
= 11 to 17 V, TJ = 25°C 5 40 mV
I
V
= 10.4 to 23 V, TJ = 25°C 12 80 mV
I
= 5 mA to 1 A 25 100
I
O
= 5 mA to 1.5 A, TJ = 25°C 30 100
O
I
= 250 to 750 mA 10 50
O
T
= 25°C 4.3 6 mA
J
VI = 11 to 23 V, IO = 500 mA 0.8 mA
VI = 10.6 to 23 V, TJ = 25°C 0.8 mA
I
= 5 mA to 1 A 0.5 mA
O
= 11.5 to 21.5 V, f = 120 Hz,
V
I
I
= 500 mA
O
= 25°C, B =10 Hz to 100 kHz 10 µV/V
A
12 80 mV
6mA
62 dB
mVI
O
c. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 11/58
58
Electrical characteristics Positive voltage regulator ICs
VI = 15 V, IO = 1 A, TJ = 0 to 125 °C (L7809AC), TJ = -40 to 125 °C (L7809AB), unless
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
SVR Supply voltage rejection
V
eN Output noise voltage T
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Output voltage TJ = 25°C 8.82 9 9.18 V
O
Output voltage IO = 5 mA to 1 A, VI = 10.6 to 22 V 8.65 9 9.35 V
O
Output voltage IO = 1 A, VI = 22 to 24 V, TJ = 25°C 8.65 9 9.35 V
O
(1)
Line regulation
O
(1)
Load regulation
O
Quiescent curr ent
I
q
Quiescent current change
q
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 18 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -0.8 mV/°C
O
(d)
.
Table 6. Electrical characteristics of L7809A
VI = 10.6 to 25 V, IO = 500 mA,
= 25°C
T
J
VI = 11 to 17 V 15 90 mV
V
= 11 to 17 V, TJ = 25°C 5 45 mV
I
V
= 11.4 to 23 V, TJ = 25°C 12 90 mV
I
= 5 mA to 1 A 25 100
I
O
= 5 mA to 1.5 A, TJ = 25°C 30 100
O
I
= 250 to 750 mA 10 50
O
T
= 25°C 4.3 6 mA
J
VI = 11 to 25 V, IO = 500 mA 0.8 mA
VI = 10.6 to 23 V, TJ = 25°C 0.8 mA
I
= 5 mA to 1 A 0.5 mA
O
= 11.5 to 21.5 V, f = 120 Hz,
V
I
I
= 500 mA
O
= 25°C, B =10 Hz to 100 kHz 10 µV/V
A
12 90 mV
6mA
61 dB
mVI
O
d. Minimum load current for regulation is 5 mA.
12/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
VI = 19 V, IO = 1 A, TJ = 0 to 125 °C (L7812AC), TJ = -40 to 125 °C (L7812AB), unless
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
SVR Supply voltage rejection V
V
eN Output noise voltage T
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Output voltage TJ = 25°C 11.75 12 12.25 V
O
Output voltage IO = 5 mA to 1 A, VI = 14.8 to 25 V 11.5 12 12.5 V
O
Output voltage IO = 1 A, VI = 25 to 27 V, TJ = 25°C 11.5 12 12.5 V
O
(1)
Line regulation
O
(1)
Load regulation
O
Quiescent curr ent
I
q
Quiescent current change
q
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 18 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -1 mV/°C
O
(e)
.
Table 7. Electrical characteristics of L7812A
VI = 14.8 to 30 V, IO = 500 mA,
= 25°C
T
J
VI = 16 to 12 V 16 120 mV
V
= 16 to 12 V, TJ = 25°C 6 60 mV
I
V
= 14.5 to 27 V, TJ = 25°C 13 120 mV
I
= 5 mA to 1 A 25 100
I
O
= 5 mA to 1.5 A, TJ = 25°C 30 100
O
I
= 250 to 750 mA 10 50
O
T
= 25°C 4.4 6 mA
J
VI = 15 to 30 V, IO = 500 mA 0.8 mA
VI = 14.8 to 27 V, TJ = 25°C 0.8 mA
I
= 5 mA to 1 A 0.5 mA
O
= 15 to 25 V, f = 120 Hz, IO = 500 mA 60 dB
I
= 25°C, B = 10 Hz to 100 kHz 10 µV/V
A
13 120 mV
6mA
mVI
O
e. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 13/58
58
Electrical characteristics Positive voltage regulator ICs
VI = 23 V, IO = 1 A, TJ = 0 to 125 °C (L7815AC), TJ = -40 to 125 °C (L7815AB), unless
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
SVR Supply voltage rejection
V
eN Output noise voltage T
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Output voltage TJ = 25°C 14.7 15 15.3 V
O
Output voltage IO = 5 mA to 1 A, VI = 17.9 to 28 V 14.4 15 15.6 V
O
Output voltage IO = 1 A, VI = 28 to 30 V, TJ = 25°C 14.4 15 15.6 V
O
(1)
Line regulation
O
(1)
Load regulation
O
Quiescent curr ent
I
q
Quiescent current change
q
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 19 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -1 mV/°C
O
(f)
.
Table 8. Electrical characteristics of L7815A
VI = 17.9 to 30 V, IO = 500 mA,
= 25°C
T
J
VI = 20 to 26 V 16 150 mV
V
= 20 to 26 V, TJ = 25°C 6 75 mV
I
V
= 17.5 to 30 V, TJ = 25°C 13 150 mV
I
= 5 mA to 1 A 25 100
I
O
= 5 mA to 1.5 A, TJ = 25°C 30 100
O
I
= 250 to 750 mA 10 50
O
T
= 25°C 4.4 6 mA
J
VI = 17.5 to 30 V, IO = 500 mA 0.8 mA
VI = 17.5 to 30 V, TJ = 25°C 0.8 mA
I
= 5 mA to 1 A 0.5 mA
O
= 18.5 to 28.5 V, f = 120 Hz,
V
I
I
= 500 mA
O
= 25°C, B = 10Hz to 100 kHz 10 µV/V
A
13 150 mV
6mA
58 dB
mVI
O
f. Minimum load current for regulation is 5 mA.
14/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
VI = 33 V, IO = 1 A, TJ = 0 to 125 °C (L7824AC), TJ = -40 to 125 °C (L7824AB), unless
otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
Output voltage TJ = 25°C 23.5 24 24.5 V
O
Output voltage IO = 5 mA to 1 A, VI = 27.3 to 37 V 23 24 25 V
O
Output voltage IO = 1 A, VI = 37 to 38 V, TJ = 25°C 23 24 25 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent
q
Quiescent current change
q
(g)
.
Table 9. Electrical characteristics of L7824A
V
= 27 to 38 V, IO = 500 mA, TJ = 25°C 31 240 mV
I
V
= 30 to 36 V 35 200 mV
I
VI = 30 to 36 V, TJ = 25°C 14 120 mV
V
= 26.7 to 38 V, TJ = 25°C 31 240 mV
I
IO = 5 mA to 1 A 25 100
I
= 250 to 750 mA 10 50
O
T
= 25°C 4.6 6 mA
J
= 27.3 to 38 V, IO = 500 mA 0.8 mA
V
I
V
= 27.3 to 38 V, TJ = 25°C 0.8 mA
I
IO = 5 mA to 1 A 0.5 mA
mVIO = 5 mA to 1.5 A, TJ = 25°C 30 100
6mA
SVR Supply voltage rejection V
V
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
= 28 to 38 V, f = 120 Hz, IO = 500 mA 54 dB
I
eN Output noise voltage TA = 25°C, B = 10 Hz to 100 kHz 10 µV/V
R
I
I
ΔV
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Output resistance f = 1 kHz 20 mΩ
O
Short circuit current VI = 35 V, TA = 25°C 0.2 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
/ΔT Output voltage drift -1.5 mV/°C
O
g. Minimum load current for regulation is 5 mA.
O
DocID2143 Rev 32 15/58
58
Electrical characteristics Positive voltage regulator ICs
Refer to the test circuits, TJ = 0 to 125 °C, VI = 10 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 4.8 5 5.2 V
O
Output voltage IO = 5 mA to 1 A, VI = 7 to 18 V 4.75 5 5.25 V
O
Output voltage IO = 1 A, VI = 18 to 20V, TJ = 25°C 4.75 5 5.25 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -1.1 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 40 µV/V
SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz 62 dB
T able 10. Electrical characteristics of L7805C
(h)
.
V
= 7 to 25 V, TJ = 25°C 3 100
I
= 8 to 12 V, TJ = 25°C 1 50
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 100
O
= 250 to 750 mA, TJ = 25°C 50
I
O
I
= 5 mA to 1 A 0.5
O
= 7 to 23 V 0.8
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 17 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.75 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
h. Minimum load current for regulation is 5 mA.
16/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 11 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 5.75 6 6.25 V
O
Output voltage IO = 5 mA to 1 A, VI = 8 to 19 V 5.7 6 6.3 V
O
Output voltage IO = 1 A, VI = 19 to 21 V, TJ = 25°C 5.7 6 6.3 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -0.8 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 45 µV/V
SVR Supply voltage rejection VI = 9 to 19 V, f = 120 Hz 59 dB
T able 11. Electrical characteristics of L7806C
(i)
.
V
= 8 to 25 V, TJ = 25°C 120
I
= 9 to 13 V, TJ = 25°C 60
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 120
O
= 250 to 750 mA, TJ = 25°C 60
I
O
I
= 5 mA to 1 A 0.5
O
= 8 to 24 V 1.3
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 19 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.55 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
i. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 17/58
58
Electrical characteristics Positive voltage regulator ICs
Refer to the test circuits, TJ = 0 to 125 °C, VI = 14 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 7.7 8 8.3 V
O
Output voltage IO = 5 mA to 1 A, VI = 10.5 to 21 V 7.6 8 8.4 V
O
Output voltage IO = 1 A, VI = 21 to 25 V, TJ = 25°C 7.6 8 8.4 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -0.8 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 52 µV/V
SVR Supply voltage rejection VI = 11.5 to 21.5 V, f = 120 Hz 56 dB
T able 12. Electrical characteristics of L7808C
(j)
.
V
= 10.5 to 25 V, TJ = 25°C 160
I
= 11 to 17 V, TJ = 25°C 80
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 160
O
= 250 to 750 mA, TJ = 25°C 80
I
O
I
= 5 mA to 1 A 0.5
O
= 10.5 to 25 V 1
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 16 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.45 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
j. Minimum load current for regulation is 5 mA.
18/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 14.5 V, IO = 500 mA, CI = 0.33 µF,
C
= 0.1 µF unless otherwise specified
O
T able 13. Electrical characteristics of L7885C
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 8.2 8.5 8.8 V
O
Output voltage IO = 5 mA to 1 A, VI = 11 to 21.5 V 8.1 8.5 8.9 V
O
Output voltage IO = 1 A, VI = 21.5 to 26 V, TJ = 25°C 8.1 8.5 8.9 V
O
V
= 11 to 27 V, TJ = 25°C 160
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -0.8 mV/°C
O
I
= 11.5 to 17.5 V, TJ = 25°C 8 0
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 160
O
= 250 to 750 mA, TJ = 25°C 80
I
O
I
= 5 mA to 1 A 0.5
O
= 11 to 26 V 1
V
I
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 55 µV/V
SVR Supply voltage rejection VI = 12 to 22 V, f = 120 Hz 56 dB
(k)
.
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 16 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.45 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
k. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 19/58
58
Electrical characteristics Positive voltage regulator ICs
Refer to the test circuits, TJ = 0 to 125 °C, VI = 15 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 8.64 9 9.36 V
O
Output voltage IO = 5 mA to 1 A, VI = 11.5 to 22 V 8.55 9 9.45 V
O
Output voltage IO = 1 A, VI = 22 to 26 V, TJ = 25°C 8.55 9 9.45 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -1 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 70 µV/V
SVR Supply voltage rejection VI = 12 to 23 V, f = 120 Hz 55 dB
T able 14. Electrical characteristics of L7809C
(l)
.
V
= 11.5 to 26 V, TJ = 25°C 180
I
= 12 to 18 V, TJ = 25°C 90
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 180
O
= 250 to 750 mA, TJ = 25°C 90
I
O
I
= 5 mA to 1 A 0.5
O
= 11.5 to 26 V 1
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 17 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.40 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
l. Minimum load current for regulation is 5 mA.
20/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 19 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 11.5 12 12.5 V
O
Output voltage IO = 5 mA to 1 A, VI = 14.5 to 25 V 11.4 12 12.6 V
O
Output voltage IO = 1 A, VI = 25 to 27 V, TJ = 25°C 11.4 12 12.6 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -1 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 75 µV/V
SVR Supply voltage rejection VI = 15 to 25 V, f = 120 Hz 55 dB
T able 15. Electrical characteristics of L7812C
(m)
.
V
= 14.5 to 30 V, TJ = 25°C 240
I
= 16 to 22 V, TJ = 25°C 120
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 240
O
= 250 to 750 mA, TJ = 25°C 120
I
O
I
= 5 mA to 1 A 0.5
O
= 14.5 to 30 V 1
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 18 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.35 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
m. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 21/58
58
Electrical characteristics Positive voltage regulator ICs
Refer to the test circuits, TJ = 0 to 125 °C, VI = 23 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 14.4 15 15.6 V
O
Output voltage IO = 5 mA to 1 A, VI = 17.5 to 28 V 14.25 15 15.75 V
O
Output voltage IO = 1 A, VI = 28 to 30 V, TJ = 25°C 14 .25 15 15.75 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -1 mV/°C
O
eN Output noise voltage B = 10 Hz to 100kHz, TJ = 25°C 90 µV/V
SVR Supply voltage rejection VI = 18.5 to 28.5 V, f = 120 Hz 54 dB
T able 16. Electrical characteristics of L7815C
(n)
.
V
= 17.5 to 30 V, TJ = 25°C 300
I
= 20 to 26 V, TJ = 25°C 150
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 300
O
= 250 to 750 mA, TJ = 25°C 150
I
O
I
= 5 mA to 1A 0.5
O
= 17.5 to 30 V 1
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 19 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.23 A
sc
Short circuit peak current TJ = 25°C 2.2 A
scp
n. Minimum load current for regulation is 5 mA.
22/58 DocID2143 Rev 32
Positive voltage regulator ICs Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 26 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 17.3 18 18.7 V
O
Output voltage IO = 5 mA to 1 A, VI = 21 to 31 V 17.1 18 18.9 V
O
Output voltage IO = 1 A, VI = 31 to 33 V, TJ = 25°C 17.1 18 18.9 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -1 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 110 µV/V
SVR Supply voltage rejection VI = 22 to 32 V, f = 120 Hz 53 dB
T able 17. Electrical characteristics of L7818C
(o)
.
V
= 21 to 33 V, TJ = 25°C 360
I
= 24 to 30 V, TJ = 25°C 180
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 360
O
= 250 to 750 mA, TJ = 25°C 180
I
O
I
= 5 mA to 1 A 0.5
O
= 21 to 33 V 1
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 22 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.20 A
sc
Short circuit peak current TJ = 25°C 2.1 A
scp
o. Minimum load current for regulation is 5 mA.
DocID2143 Rev 32 23/58
58
Electrical characteristics Positive voltage regulator ICs
Refer to the test circuits, TJ = 0 to 125 °C, VI = 33 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
V
V
ΔV
ΔV
ΔI
ΔV
Output voltage TJ = 25°C 23 24 25 V
O
Output voltage IO = 5 mA to 1 A, VI = 27 to 37 V 22.8 24 25.2 V
O
Output voltage IO = 1 A, VI = 37 to 38 V, TJ = 25°C 22.8 24 25.2 V
O
(1)
Line regulation
O
(1)
Load regulation
O
I
Quiescent curr ent TJ = 25°C 8 mA
d
Quiescent current change
d
/ΔT Output voltage drift IO = 5 mA -1.5 mV/°C
O
eN Output noise voltage B = 10 Hz to 100 kHz, TJ = 25°C 170 µV/V
SVR Supply voltage rejection VI = 28 to 38 V, f = 120 Hz 50 dB
T able 18. Electrical characteristics of L7824C
(p)
.
V
= 27 to 38 V, TJ = 25°C 480
I
= 30 to 36 V, TJ = 25°C 240
V
I
I
= 5 mA to 1.5 A, TJ = 25°C 480
O
= 250 to 750 mA, TJ = 25°C 240
I
O
I
= 5 mA to 1 A 0.5
O
= 27 to 38 V 1
V
I
mV
mV
mA
O
V
R
I
I
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Dropout voltage IO = 1 A, TJ = 25°C 2 V
d
Output resistance f = 1 kHz 28 mΩ
O
Short circuit current VI = 35 V, TJ = 25°C 0.15 A
sc
Short circuit peak current TJ = 25°C 2.1 A
scp
p. Minimum load current for regulation is 5 mA.
24/58 DocID2143 Rev 32
Positive voltage regulator ICs Application information
6 Application information
6.1 Design consideration
The L78 Series of fixed voltage regulators are designed with thermal overload protection
that shuts down the circuit when subjected to an excessive power overload condition,
internal short-circuit protection that limits the maximum current the circuit will pass, and
output transistor safe-area compensation that reduces the output short-circuit current as the
voltage across the pass transistor is increased. In many low current applications,
compensation capacitors are not required. However, it is recommended that the regulator
input be bypassed with capacitor if the regulator is connected to the power supply filter with
long lengths, or if the output load capacitance is large. An input bypass capacitor should be
selected to provide good high frequency characteristics to insure stable operation under all
load conditions. A 0.33 µF or larger tantalum, mylar or other capacitor having low internal
impedance at high frequencies should be chosen. The bypass capacitor should be mounted
with the shortest possible leads directly across the regulators input terminals. Normally good
construction techniques should be used to minimize ground loops and lead resistance drops
since the regulator has no external sense lead.
The addition of an operational amplifier allows adjustment to higher or intermediate values
while retaining regulation characteristics. The minimum voltage obtained with the
arrangement is 2 V greater than the regulator voltage.
The circuit of Figure 13 can be modified to provide supply protection against short circuit by
adding a short circuit sense resistor, RSC, and an additional PNP transistor. The current
sensing PNP must be able to handle the short circuit current of the three terminal regulator
Therefore a four ampere plastic power transistor is specified.
Figure 8. Fixed output regulator
1. Although no output capacitor is need for stability, it does improve transient response.
2. Required if regulator is located an appreciable distance from power supply filter.
DocID2143 Rev 32 25/58
58
Application information Positive voltage regulator ICs
,2 9
;;;;5,G
,5,
G
92 9
;;;;
555,G5
Ż
Figure 10. Circuit for increasing output voltage
Figure 9. Current regulator
26/58 DocID2143 Rev 32
Positive voltage regulator ICs Application information
VO=VXXR4/R
1
Figure 11. Adjustable output regulator (7 to 30 V)
Figure 12. 0.5 to 10 V regulator
DocID2143 Rev 32 27/58
58
Application information Positive voltage regulator ICs
5
,2 ,
5(*
4,
5(*
B9BBBB
%(4
B
9
%(4
5 BBBBBBBBBBBBBB
,
5(4
,4E4
5
6&6& 9%(%(44,6&6&
Figure 14. High output current with short circuit protection
Figure 13. High current voltage regulator
28/58 DocID2143 Rev 32
Positive voltage regulator ICs Application information
Figure 15. Tracking voltage regulator
Figure 16. Split power supply (± 15 V - 1 A)
* Against potential latch-up problems.
DocID2143 Rev 32 29/58
58
Application information Positive voltage regulator ICs
9,1 9,99=9
%(%(
Figure 17. Negative output voltage circuit
Figure 18. Switching regulator
Figure 19. High input voltage circuit (configuration 1)
30/58 DocID2143 Rev 32
Positive voltage regulator ICs Application information
92 9
;;;;
9
=
99 99 9
5 BB
,PL,PL
BBBBB
QQ
BBBBBBB
;;;;
BBBBB
'52
BBBBBBB
3PD[PD[
BBBBBB
,
2PD[[,GPD[PD[
Figure 20. High input voltage circuit (configuration 2)
Figure 21. High input and output voltage
Figure 22. Reducing power dissipation with dropping resistor
DocID2143 Rev 32 31/58
58
Application information Positive voltage regulator ICs
Figure 24. Power AM modulator (unity voltage gain, IO ≤ 0.5)
Figure 23. Remote shutdown
Note: The circuit performs well up to 100 kHz.
32/58 DocID2143 Rev 32
Positive voltage regulator ICs Application information
92 9;;559
%(
92ULVHVZKHQWKHOLJKWJRHVXS
92IDOOVZKHQWKHOLJKWJRHVXS
Figure 25. Adjustable output voltage with temperature compensation
Note: Q2 is connected as a diode in order to compensate the variation of the Q1 VBE with the
temperature. C allows a slow rise time of the V
.
O
Figure 26. Light controllers (V
= VXX + VBE)
O(min)
DocID2143 Rev 32 33/58
58
Application information Positive voltage regulator ICs
Figure 27. Protection against input short-circuit with high capacitance loads
Note: Application with high capacitance loads and an output voltage greater than 6 volts need an
external diode (see Figure 22 on page 31) to protect the device against input short circuit. In
this case the input voltage falls rapidly while the output voltage decrease slowly. The
capacitance discharges by means of the base-emitter junction of the series pass transistor
in the regulator. If the energy is sufficiently high, the transistor may be destroyed. The
external diode by-passes the current from the IC to ground.
34/58 DocID2143 Rev 32
Positive voltage regulator ICs Typical performance
7 Typical performance
Figure 28. Dropout voltage vs. junction
temperature
Figure 30. Supply voltage rejection vs.
frequency
Figure 29. Peak output current vs. input/output
differential voltage
Figure 31. Output voltage vs. junction
temperature
DocID2143 Rev 32 35/58
58
Typical performance Positive voltage regulator ICs
Figure 32. Output impedance vs. frequency Figure 33. Quiescent current vs. junction temp.
Figure 34. Load transient response Figure 35. Line transient response
Figure 36. Quiescent current vs. input voltage
36/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
8 Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
®
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
packages, depending on their level of environmental compliance. ECOPACK®
®
is an ST trademark.
DocID2143 Rev 32 37/58
58
Package mechanical data Positive voltage regulator ICs
BW\SH$B5HYB7
Figure 37. TO-220 (dual gauge) drawing
38/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
Table 19. TO-220 (dual gauge) mechanical data
mm
Dim.
Min. Typ. Max.
A4.40 4.60
b0.61 0.88
b1 1.14 1.70
c0.48 0.70
D 15.25 15.75
D1 1.27
E 10 10.40
e2.40 2.70
e1 4.95 5.15
F1.23 1.32
H1 6.20 6.60
J1 2.40 2.72
L13 14
L1 3.50 3.93
L20 16.40
L30 28.90
∅
P3.75 3.85
Q2.65 2.95
DocID2143 Rev 32 39/58
58
Package mechanical data Positive voltage regulator ICs
BUHY'
Figure 38. TO-220 SG (single gauge) drawing
40/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
T able 20. TO-220 SG (single gauge) mechanical data
mm
Dim.
Min. Typ. Max.
A 4.40 4.60
b 0.61 0.88
b1 1.14 1.70
c 0.48 0.70
D 15.25 15.75
E 10 10.40
e 2.40 2.70
e1 4.95 5.15
F 0.51 0.60
H1 6.20 6.60
J1 2.40 2.72
L13 14
L1 3.50 3.93
L20 16.40
L30 28.90
∅
P 3.75 3.85
Q 2.65 2.95
DocID2143 Rev 32 41/58
58
Package mechanical data Positive voltage regulator ICs
7012510A-H
Figure 39. TO-220FP drawing
42/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
Table 21. TO-220FP mechanical data
mm.
Dim.
Min. Typ. Max.
A4.40 4.60
B2.5 2.7
D 2.5 2.75
E0.45 0.70
F0.75 1
F1 1.15 1.50
F2 1.15 1.50
G 4.95 5.2
G1 2.4 2.7
H 10.0 10.40
L2 16
L3 28.6 30.6
L4 9.8 10.6
L5 2.9 3.6
L6 15.9 16.4
L7 9 9.3
DIA. 3 3.2
DocID2143 Rev 32 43/58
58
Package mechanical data Positive voltage regulator ICs
0068772_K
Figure 40. DPAK drawing
44/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
Table 22. DPAK mechanical data
mm
Dim.
Min. Typ. Max.
A2.20 2.40
A1 0.90 1.10
A2 0.03 0.23
b0.64 0.90
b4 5.20 5.40
c0.45 0.60
c2 0.48 0.60
D6.00 6.20
D1 5.10
E6.40 6.60
E1 4.70
e2.28
e1 4.40 4.60
H 9.35 10.10
L1.00 1.50
(L1) 2.80
L2 0.80
L4 0.60 1.00
R0.20
V2 0° 8°
DocID2143 Rev 32 45/58
58
Package mechanical data Positive voltage regulator ICs
Footprint_REV_K
Figure 41. DPAK footprint
(q)
q. All dimensions are in millimeters
46/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
0079457_T
Figure 42. D²P AK (SMD 2L STD-ST) type A drawing
DocID2143 Rev 32 47/58
58
Package mechanical data Positive voltage regulator ICs
Table 23. D²PAK (SMD 2L STD-ST) mechanical data
mm
Dim.
Min. Typ. Max.
A4.40 4.60
A1 0.03 0.23
b0.70 0.93
b2 1.14 1.70
c0.45 0.60
c2 1.23 1.36
D8.95 9.35
D1 7.50
E 10 10.40
E1 8.50
e2.54
e1 4.88 5.28
H 15 15.85
J1 2.49 2.69
L2.29 2.79
L1 1.27 1.40
L2 1.30 1.75
R0.4
V2 0° 8°
48/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
0079457_T
Figure 43. D²PAK (SMD 2L Wooseok-subcon.) drawing
DocID2143 Rev 32 49/58
58
Package mechanical data Positive voltage regulator ICs
Table 24. D²PAK (SMD 2L Wooseok-subcon.) mechanical data
mm
Dim.
Min. Typ. Max.
A4.30 4.70
A1 0 0.20
b0.70 0.90
b2 1.17 1.37
c0.450.500.60
c2 1.25 1.30 1.40
D 9 9.20 9.40
D1 7.50
E 10 10.40
E1 8.50
e2.54
e1 4.88 5.08
H 15 15.30
J1 2.20 2.60
L1.79 2.79
L1 1 1.40
L2 1.20 1.60
R0.30
V2 0° 3°
50/58 DocID2143 Rev 32
Positive voltage regulator ICs Package mechanical data
Figure 44. D²PAK (SMD 2L Wooseok-subcon.) footprint
DocID2143 Rev 32 51/58
58
Packaging mechanical data Positive voltage regulator ICs
9 Packaging mechanical data
Figure 45. Tube for TO-220 (dual gauge) (mm.)
Figure 46. Tube for TO-220 (single gauge) (mm.)
52/58 DocID2143 Rev 32
Positive voltage regulator ICs Packaging mechanical data
P1
A0
D1
P0
F
W
E
D
B0
K0
T
User direction of feed
P2
10 pitches cumulative
tolerance on tape +/- 0.2 mm
User direction of feed
R
Bending radius
B1
For machine ref. only
including draft and
radii concentric around B0
AM08852v1
Top cover
tape
A
D
B
Full radius
G measured at hub
C
N
REEL DIMENSIONS
40mm min.
Access hole
At sl ot location
T
Tape slot
in core for
tape start 25 mm min.
width
AM08851v2
Figure 47. Tape for DPAK and D2PAK
Figure 48. Reel for DPAK and D
2
PAK
DocID2143 Rev 32 53/58
58
Packaging mechanical data Positive voltage regulator ICs
Table 25. DPAK and D²PAK tape and reel mechanical data
Tape Reel
mm
Dim.
Min. Max. Min. Max.
A0 6.8 7 A 330
B0 10.4 10.6 B 1.5
B1 12.1 C 12.8 13.2
D 1.5 1.6 D 20.2
D1 1.5 G 16.4 18.4
E 1.65 1.85 N 50
F 7.4 7.6 T 22.4
K0 2.55 2.75
P0 3.9 4.1 Base qty. 2500
P1 7.9 8.1 Bulk qty. 2500
P2 1.9 2.1
R40
T 0.25 0.35
W 15.7 16.3
Dim.
mm
54/58 DocID2143 Rev 32
Positive voltage regulator ICs Order codes
10 Order codes
Table 26. Order codes
Order codes
Part
numbers
L7805C L7805CV L7805CDT-TR L7805CD2T-TR L7805CP 5 V
L7805AB L7805ABV L7805ABD2T-TR L7805ABP 5 V
L7805AC L7805ACV L7805ACD2T-TR L7805ACP 5 V
L7806C L7806CV L7806CD2T-TR 6 V
L7806AB L7806ABV L7806ABD2T-TR 6 V
TO-220
(single gauge)
TO-220
(dual gauge)
L7805CV-DG 5 V
L7805ABV-DG 5 V
L7805ACV-DG 5 V
L7806CV-DG 6 V
DPAK D²PAK TO-220FP
Output
voltages
L7806ABV-DG 6 V
L7806AC L7806ACV 6 V
L7806ACV-DG 6 V
L7808C L7808CV L7808CD2T-TR 8 V
L7808CV-DG 8 V
L7808AB L7808ABV L7808ABD2T-TR 8 V
L7808ABV-DG 8 V
L7808AC L7808ACV 8 V
L7808ACV-DG 8 V
L7885C L7885CV 8.5 V
L7809C L7809CV L7809CD2T-TR L7809CP 9 V
L7809CV-DG 9 V
L7809AB L7809ABV L7809ABD2T-TR 9 V
L7809ABV-DG 9 V
L7809AC L7809ACV 9 V
L7812C L7812CV L7812CD2T-TR L7812CP 12 V
L7812CV-DG 12 V
L7812AB L7812ABV L7812ABD2T-TR 12 V
L7812ABV-DG 12 V
L7812AC L7812ACV L7812ACD2T-TR 12 V
L7812ACV-DG 12 V
DocID2143 Rev 32 55/58
58
Order codes Positive voltage regulator ICs
Table 26. Order codes (continued)
Order codes
Part
numbers
L7815C L7815CV L7815CD2T-TR L7815CP 15 V
L7815AB L7815ABV L7815ABD2T-TR 15 V
L7815AC L7815ACV L7815ACD2T-TR 15 V
L7818C L7818CV 18 V
L7824C L7824CV L7824CD2T-TR L7824CP 24 V
L7824AB L7824ABV 24 V
TO-220
(single gauge)
TO-220
(dual gauge)
L7815CV-DG 15 V
L7815ABV-DG 15 V
L7815ACV-DG 15 V
L7818CV-DG 18 V
L7824CV-DG 24 V
L7824ABV-DG 24 V
DPAK D²PAK TO-220FP
Output
voltages
L7824AC L7824ACV 24 V
L7824ACV-DG 24 V
56/58 DocID2143 Rev 32
Positive voltage regulator ICs Revision history
11 Revision history
Table 27. Document revision history
Date Revision Changes
21-Jun-2004 12 Document updating.
03-Aug-2006 13 Order codes has been updated and new template.
19-Jan-2007 14 D²PAK mechanical data has been updated and add footprint data.
31-May-2007 15 Order codes has been updated.
29-Aug-2007 16 Added Table 1 in cover page.
11-Dec-2007 17 Modified: Table 26.
06-Feb-2008 18
Added: TO-220 mechanical data Figure 38 on page 38 , Figure 39 on page 39,
and Table 23 on page 37. Modified: Table 26 on page 55.
18-Mar-2008 19
26-Jan-2010 20
04-Mar-2010 21 Added notes Figure 38 on page 38.
08-Sep-2010 22 Modified Table 26 on page 55.
23-Nov-2010 23 Added: T
16-Sep-2011 24 Modified title on page 1.
30-Nov-2011 25
08-Feb-2012 26
27-Mar-2012 27 Added: order codes L7812ABV-DG, L7815ABV-DG Table 26 on page 55.
27-Apr-2012 28
10-May-2012 29
19-Sep-2012 30 Modified load regulation units from V to mV in Table 3 to Table 9.
Added: Table 29: DPAK mechanical data on page 50, Table 30: Tape and reel
DPAK mechanical data on page 52. Modified: Table 26 on page55.
Modified Table 1 on page 1 and Table 23 on page 37, added: Figure 38 on
page 38 and Figure 39 on page 39, Figure 45 on page 52 and Figure 46 on
page 52.
= 25 °C test condition in ΔVO on Table 3, 4, 5, 6, 7, 8 and Table 9.
J
Added: order codes L7805 CV -DG, L7806CV -DG, L7808ABV-DG, L7812CV -DG
and L7815CV-DG Table 26 on page 55.
Added: order codes L7805ACV-DG, L7805ABV-DG, L7806ABV-DG, L7808CVDG, L7809CV-DG, L7812ACV-DG, L7818CV-DG, L7824CV-DG Table 26 on
page 55.
Modified: VI = 10.4 to 23 V ==> VI = 11.4 to 23 V test conditon value
Line regulation Table 6 on page 12.
Added: order codes L7806ACV-DG, L7808ACV-DG, L7815ACV-DG,
L7824ABV-DG and L7824ACV-DG Table 26 on page 55.
12-Mar-2013 31 Modified: V
Part numbers L78xx, L78xxC, L78xxAB, L78xxAC changed to L78.
Removed TO-3 package.
Updated the description in cover page, Section 2: Pin configuratio n, Section 3:
04-Mar-2014 32
Maximum ratings , Section 4: Test circuits, Section 5: Electrical characteri sti cs ,
Section 6: Applic ation information, Section 8: Package mechanical data and
Table 26: Order codes.
Added Section 9: Packaging mechanical data.
Minor text changes.
output voltage at 25 °C min. value 14.4 V Table 16 on page 22.
O
DocID2143 Rev 32 57/58
58
Positive voltage regulator ICs
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58/58 DocID2143 Rev 32
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