SGS Thomson Microelectronics L78M24ACDT, L78M24ABV, L78M24ABDT, L78M12ABV, L78M20ABV Datasheet
...
L78M00AB/AC
SERIES
PRECISION 500mA REGULATORS
.OUTPUT CURRENT UP TO 0.5A
.
OUTPUT VOLTAGES OF 5; 6; 8; 9: 10; 12; 15;
.18; 20; 24V
.THERMAL OVERLOAD PROTECTION
.SHORT CIRCUIT PROTECTION
.OUTPUT TRANSISTORS SOA PROTECTION
.± 2% OUTPUT VOLTAGE TOLERANCE GUARANTEED IN EXTENDED TEMPERATURE RANGES
DESCRIPTION
The L78M00AB series of three-therminal positive regulators is available in TO-220 and DPAK packages and with 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 employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 0.5A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.
TO-220
3
1
DPAK (TO-252)
BLOCK DIAGRAM
March 1997 |
1/15 |
L78M00AB/AC SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol |
Parameter |
Value |
Unit |
Vi |
DC Input Voltage (for Vo = 5 to 18V) |
35 |
V |
|
(for Vo = 20, 24V) |
40 |
V |
Io |
Output Current |
Internally Limited |
|
Ptot |
Power Dissipation |
Internally Limited |
|
Tstg |
Storage Temperature |
-65 to 150 |
oC |
Tj |
Operating Junction Temperature for L78M00AC |
0 to 125 |
oC |
|
L78M00AB |
-40 to 125 |
oC |
THERMAL DATA
|
|
|
TO-220 |
DPAK |
|
Rthj-case |
Thermal Resistance Junction-case |
MAX |
3 |
8 |
oC/W |
Rthj-amb |
Thermal Resistance Junction-ambient |
MAX |
50 |
100 |
oC/W |
CONNECTION DIAGRAM AND ORDER CODES (top view)
|
TO-220 |
|
DPAK |
|
Order Codes |
|
Output Voltage |
0 to 125 oC |
|
-40 to 125 oC |
|
DPAK |
TO-220 |
DPAK |
|
L78M05ACDT |
L78M05ABV |
L78M05ABDT |
5V |
L78M06ACDT |
L78M06ABV |
L78M06ABDT |
6V |
L78M08ACDT |
L78M08ABV |
L78M08ABDT |
8V |
L78M09ACDT |
L78M09ABV |
L78M09ABDT |
9V |
L78M10ACDT |
L78M10ABV |
L78M10ABDT |
10V |
L78M12ACDT |
L78M12ABV |
L78M12ABDT |
12V |
L78M15ACDT |
L78M15ABV |
L78M15ABDT |
15V |
L78M18ACDT |
L78M18ABV |
L78M18ABDT |
18V |
L78M20ACDT |
L78M20ABV |
L78M20ABDT |
20V |
L78M24ACDT |
L78M24ABV |
L78M24ABDT |
24V |
2/15
L78M00AB/AC SERIES
APPLICATION CIRCUIT
SCHEMATIC DIAGRAM
3/15
L78M00AB/AC SERIES
TEST CIRCUITS |
|
Figure 1 : DC Parameters. |
Figure 2 : Load Regulation. |
Figure 3 : Ripple Rejection.
4/15
L78M00AB/AC SERIES
ELECTRICAL CHARACTERISTICS FOR L78M05XX (refer to the test circuits, Vi = 10V, Io = 350 mA, Ci = 0.33 μF, Co = 0.1 μF, Tj = -40 to 125 oC (AB), Tj = 0 to 125 oC (AC) unless otherwise specified)
Symbol |
Parameter |
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
Vo |
Output Voltage |
Tj = 25 oC |
|
|
4.9 |
5 |
5.1 |
V |
Vo |
Output Voltage |
Io = 5 mA to 350 mA |
|
4.8 |
5 |
5.2 |
V |
|
|
|
Vi = 7 to 20 V |
|
|
|
|
|
|
Vo |
Line Regulation |
Io = 200 mA |
Tj = 25 oC |
|
|
|
|
|
|
|
Vi = 7 to 25 V |
|
|
|
100 |
mV |
|
|
|
Vi = 8 to 25 V |
|
|
|
30 |
mV |
|
Vo |
Load Regulation |
Io = 5 to 500 mA |
Tj = 25 oC |
|
|
100 |
mV |
|
|
|
Io = 5 to 200 mA |
Tj = 25 oC |
|
|
50 |
mV |
|
Id |
Quiescent Current |
Tj = 25 oC |
|
|
|
|
6 |
mA |
Id |
Quiescent Current Change |
Io = 5 to 350 mA |
|
|
|
0.5 |
mA |
|
Id |
Quiescent Current Change |
Io = 200 mA |
Vi = 8 to 25 V |
|
|
0.8 |
mA |
|
Vo |
Output Voltage Drift |
Io = 5 mA |
|
|
|
-0.5 |
|
mV/oC |
T |
|
|
|
|
|
|
|
|
eN |
Output Noise Voltage |
B = 10Hz to 100KHz |
Tj = 25 oC |
|
40 |
|
μV |
|
SVR |
Supply Voltage Rejection |
Io = 300 mA |
f = 120 Hz Tj = 25 oC |
62 |
|
|
dB |
|
|
|
Vi = 8 to 18 V |
|
|
|
|
|
|
Vd |
Dropout Voltage |
Tj = 25 oC |
|
|
|
2 |
|
V |
Isc |
Short Circuit Current |
Tj = 25 oC |
Vi = 35 V |
|
300 |
|
mA |
|
Iscp |
Short Circuit Peack Current |
Tj = 25 oC |
|
|
|
700 |
|
mA |
ELECTRICAL CHARACTERISTICS FOR L78M06XX (refer to the test circuits, Vi = 11V, Io = 350 mA, Ci = 0.33 μF, Co = 0.1 μF, Tj = -40 to 125 oC (AB), Tj = 0 to 125 oC (AC) unless otherwise specified)
Symbol |
Parameter |
Test Conditions |
Min. |
Typ. |
Max. |
Unit |
||
Vo |
Output Voltage |
Tj = 25 oC |
|
|
5.88 |
6 |
6.12 |
V |
Vo |
Output Voltage |
Io = 5 mA to 350 mA |
|
5.75 |
6 |
6.3 |
V |
|
|
|
Vi = 8 to 21 V |
|
|
|
|
|
|
Vo |
Line Regulation |
Io = 200 mA |
Tj = 25 oC |
|
|
|
|
|
|
|
Vi = 8 to 25 V |
|
|
|
100 |
mV |
|
|
|
Vi = 9 to 25 V |
|
|
|
30 |
mV |
|
Vo |
Load Regulation |
Io = 5 to 500 mA |
Tj = 25 oC |
|
|
120 |
mV |
|
|
|
Io = 5 to 200 mA |
Tj = 25 oC |
|
|
60 |
mV |
|
Id |
Quiescent Current |
Tj = 25 oC |
|
|
|
|
6 |
mA |
Id |
Quiescent Current Change |
Io = 5 to 350 mA |
|
|
|
0.5 |
mA |
|
Id |
Quiescent Current Change |
Io = 200 mA |
Vi = 9 to 25 V |
|
|
0.8 |
mA |
|
Vo |
Output Voltage Drift |
Io = 5 mA |
|
|
|
-0.5 |
|
mV/oC |
T |
|
|
|
|
|
|
|
|
eN |
Output Noise Voltage |
B = 10Hz to 100KHz |
Tj = 25 oC |
|
45 |
|
μV |
|
SVR |
Supply Voltage Rejection |
Io = 300 mA |
f = 120 Hz Tj = 25 oC |
59 |
|
|
dB |
|
|
|
Vi = 9 to 19 V |
|
|
|
|
|
|
Vd |
Dropout Voltage |
Tj = 25 oC |
|
|
|
2 |
|
V |
Isc |
Short Circuit Current |
Tj = 25 oC |
Vi = 35 V |
|
270 |
|
mA |
|
Iscp |
Short Circuit Peack Current |
Tj = 25 oC |
|
|
|
700 |
|
mA |
5/15
Loading...