This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications.
These applications include on-card regulation for elimination of noise and distribution problems associated with
single-point regulation. Each of these regulators can deliver up to 1.5 A of output current. The internal
current-limiting and thermal-shutdown features of these regulators essentially make them immune to overload.
In addition to use as fixed-voltage regulators, these devices can be used with external components to obtain
adjustable output voltages and currents, and also can be used as the power-pass element in precision
regulators.
ORDERING INFORMATION
V
T
J
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
O(NOM)
(V)
5
8
12
15
PACKAGE
POWER-FLEX (KTE)Reel of 2000µA7805CKTERµA7805C
TO-220 (KC)Tube of 50µA7805CKC
TO-220, short shoulder (KCS)Tube of 20µA7805CKCS
POWER-FLEX (KTE)Reel of 2000µA7808CKTERµA7808C
TO-220 (KC)Tube of 50µA7808CKC
TO-220, short shoulder (KCS)Tube of 20µA7808CKCS
POWER-FLEX (KTE)Reel of 2000µA7810CKTERµA7810C
TO-220 (KC)Tube of 50µA7810CKCµA7810C
POWER-FLEX (KTE)Reel of 2000µA7812CKTERµA7812C
TO-220 (KC)Tube of 50µA7812CKC
TO-220, short shoulder (KCS)Tube of 20µA7812CKCS
POWER-FLEX (KTE)Reel of 2000µA7815CKTERµA7815C
TO-220 (KC)Tube of 50µA7815CKC
TO-220, short shoulder (KCS)Tube of 20µA7815CKCS
POWER-FLEX (KTE)Reel of 2000µA7824CKTERµA7824C
TO-220 (KC)Tube of 50µA7824CKCµA7824C
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
µ
µ
µ
µ
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Copyright 2003, Texas Instruments Incorporated
1
µA7800 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS056J – MAY 1976 – REVISED MAY 2003
schematic
INPUT
OUTPUT
COMMON
absolute maximum ratings over virtual junction temperature range (unless otherwise noted)
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately . All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately . All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
= 5 mA to 1 A,V
PD ≤ 15 W
VI = 10.5 V to 25 V
VI = 11 V to 17 V
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
VI = 10.5 V to 25 V
IO = 5 mA to 1 A
= 10.5 V to 23 V,
25°C7.788.3
0°C to 125°C7.68.4
°
µA7808C
MINTYPMAX
6160
280
12160
480
1
0.5
electrical characteristics at specified virtual junction temperature, VI = 17 V, IO = 500 mA (unless
otherwise noted)
J
I
p
p
Ripple rejectionVI = 13 V to 23 V,f = 120 Hz0°C to 125°C5571dB
p
Output resistancef = 1 kHz0°C to 125°C0.018Ω
Temperature coefficient of output voltage IO = 5 mA0°C to 125°C–1mV/°C
Output noise voltagef = 10 Hz to 100 kHz25°C70µV
Dropout voltageIO = 1 A25°C2V
Bias current25°C4.38mA
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately . All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
= 5 mA to 1 A,V
PD ≤ 15 W
VI = 12.5 V to 28 V
VI = 14 V to 20 V
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
VI = 12.5 V to 28 V
IO = 5 mA to 1 A
= 12.5 V to 25 V,
25°C9.61010.4
0°C to 125°C9.51010.5
µA7810C
MINTYPMAX
7200
2100
12200
4100
1
0.5
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
µA7800 SERIES
PARAMETER
TEST CONDITIONS
T
†
UNIT
Output voltage
O
,
I
,
V
Input voltage regulation
25°C
mV
Output voltage regulation
25°C
mV
Bias current change
0°C to 125°C
mA
PARAMETER
TEST CONDITIONS
T
†
UNIT
Output voltage
O
,
I
,
V
Input voltage regulation
25°C
mV
Output voltage regulation
25°C
mV
Bias current change
0°C to 125°C
mA
POSITIVE-VOLTAGE REGULATORS
SLVS056J – MAY 1976 – REVISED MAY 2003
electrical characteristics at specified virtual junction temperature, VI = 19 V, IO = 500 mA (unless
otherwise noted)
J
I
p
p
Ripple rejectionVI = 15 V to 25 V,f = 120 Hz0°C to 125°C5571dB
p
Output resistancef = 1 kHz0°C to 125°C0.018Ω
Temperature coefficient of output voltage IO = 5 mA0°C to 125°C–1mV/°C
Output noise voltagef = 10 Hz to 100 kHz25°C75µV
Dropout voltageIO = 1 A25°C2V
Bias current25°C4.38mA
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately . All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
= 5 mA to 1 A,V
PD ≤ 15 W
VI = 14.5 V to 30 V
VI = 16 V to 22 V
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
VI = 14.5 V to 30 V
IO = 5 mA to 1 A
= 14.5 V to 27 V,
25°C11.51212.5
0°C to 125°C11.412.6
°
µA7812C
MINTYPMAX
10240
3120
12240
4120
1
0.5
electrical characteristics at specified virtual junction temperature, VI = 23 V, IO = 500 mA (unless
otherwise noted)
J
I
p
p
Ripple rejectionVI = 18.5 V to 28.5 V,f = 120 Hz0°C to 125°C5470dB
p
Output resistancef = 1 kHz0°C to 125°C0.019Ω
Temperature coefficient of output voltage IO = 5 mA0°C to 125°C–1mV/°C
Output noise voltagef = 10 Hz to 100 kHz25°C90µV
Dropout voltageIO = 1 A25°C2V
Bias current25°C4.48mA
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately . All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
= 5 mA to 1 A,V
PD ≤ 15 W
VI = 17.5 V to 30 V
VI = 20 V to 26 V
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
VI = 17.5 V to 30 V
IO = 5 mA to 1 A
= 17.5 V to 30 V,
25°C14.41515.6
0°C to 125°C14.2515.75
µA7815C
MINTYPMAX
11300
3150
12300
4150
1
0.5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
5
µA7800 SERIES
PARAMETER
TEST CONDITIONS
T
†
UNIT
Output voltage
O
,
I
,
V
Input voltage regulation
25°C
mV
Output voltage regulation
25°C
mV
Bias current change
0°C to 125°C
mA
POSITIVE-VOLTAGE REGULATORS
SLVS056J – MAY 1976 – REVISED MAY 2003
electrical characteristics at specified virtual junction temperature, VI = 33 V, IO = 500 mA (unless
otherwise noted)
J
I
p
p
Ripple rejectionVI = 28 V to 38 V,f = 120 Hz0°C to 125°C5066dB
p
Output resistancef = 1 kHz0°C to 125°C0.028Ω
Temperature coefficient of output voltage IO = 5 mA0°C to 125°C–1.5mV/°C
Output noise voltagef = 10 Hz to 100 kHz25°C170µV
Dropout voltageIO = 1 A25°C2V
Bias current25°C4.68mA
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately . All characteristics are measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
= 5 mA to 1 A,V
PD ≤ 15 W
VI = 27 V to 38 V
VI = 30 V to 36 V
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
VI = 27 V to 38 V
IO = 5 mA to 1 A
= 27 V to 38 V,
25°C232425
0°C to 125°C22.825.2
°
µA7824C
MINTYPMAX
18480
6240
12480
4240
1
0.5
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POSITIVE-VOLTAGE REGULATORS
APPLICATION INFORMATION
µA7800 SERIES
SLVS056J – MAY 1976 – REVISED MAY 2003
+V
µA78xx
+V
O
0.1 µF0.33 µF
Figure 1. Fixed-Output Regulator
COM
OUTIN
G
I
L
–V
O
+
V
I
–
µA78xx
Figure 2. Positive Regulator in Negative Configuration (VI Must Float)
InputOutput
µA78xx
I
O
0.33 µF
R1
0.1 µF
R2
NOTE A: The following formula is used when Vxx is the nominal output voltage (output to common) of the fixed regulator:
V
xx
Vxx)
ǒ
V
+
O
R1
Ǔ
)
I
R2
Q
Figure 3. Adjustable-Output Regulator
Input
0.33 µF
IO = (VO/R1) + IO Bias Current
µA78xx
V
O(Reg)
R1
Output
I
O
Figure 4. Current Regulator
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
7
µA7800 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS056J – MAY 1976 – REVISED MAY 2003
APPLICATION INFORMATION
1N4001
20-V Input
0.33 µF
–20-V Input
2 µF
µA7815C
µA7915C
1N4001
1 µF
0.1 µF
0.1 µF
VO = 15 V
1N4001
1N4001
VO = –15 V
Figure 5. Regulated Dual Supply
operation with a load common to a voltage of opposite polarity
In many cases, a regulator powers a load that is not connected to ground but, instead, is connected to a voltage
source of opposite polarity (e.g., operational amplifiers, level-shifting circuits, etc.). In these cases, a clamp
diode should be connected to the regulator output as shown in Figure 6. This protects the regulator from output
polarity reversals during startup and short-circuit operation.
Occasionally , the input voltage to the regulator can collapse faster than the output voltage. This can occur, for
example, when the input supply is crowbarred during an output overvoltage condition. If the output voltage is
greater than approximately 7 V , the emitter-base junction of the series-pass element (internal or external) could
break down and be damaged. To prevent this, a diode shunt can be used as shown in Figure 7.
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Lead/Ball Finish MSL Peak Temp
(3)
(2)
Eco Plan - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional
product content details.
None: Not yet available Lead (Pb-Free).
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens,
including bromine (Br) or antimony (Sb) above 0.1% of total product weight.
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
1-Mar-2005
Addendum-Page 2
MECHANICAL DATA
MPFM001E – OCTOBER 1994 – REVISED JANUARY 2001
KTE (R-PSFM-G3) PowerFLEX PLASTIC FLANGE-MOUNT
0.420 (10,67)
0.410 (10,41)
0.295 (7,49)
NOM
0.100 (2,54)
0.200 (5,08)
1
0.375 (9,52)
0.365 (9,27)
0.360 (9,14)
0.350 (8,89)
0.220 (5,59)
NOM
3
0.025 (0,63)
0.031 (0,79)
0.320 (8,13)
0.310 (7,87)
0.010 (0,25)
0.360 (9,14)
0.350 (8,89)
M
0.080 (2,03)
0.070 (1,78)
0.050 (1,27)
0.040 (1,02)
0.010 (0,25) NOM
Thermal Tab
(See Note C)
Seating Plane
0.004 (0,10)
0.005 (0,13)
0.001 (0,03)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. The center lead is in electrical contact with the thermal tab.
D. Dimensions do not include mold protrusions, not to exceed 0.006 (0,15).
E. Falls within JEDEC MO-169
PowerFLEX is a trademark of Texas Instruments.
0.010 (0,25)
NOM
0.041 (1,04)
0.031 (0,79)
Gage Plane
3°–6°
0.010 (0,25)
4073375/F 12/00
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
1
IMPORTANT NOTICE
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enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
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and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty . Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
TI assumes no liability for applications assistance or customer product design. Customers are responsible for
their products and applications using TI components. To minimize the risks associated with customer products
and applications, customers should provide adequate design and operating safeguards.
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Mailing Address:Texas Instruments
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