LM7812A datasheet(6/28 Pages) FAIRCHILD | 3-TERMINAL 1A POSITIVE VOLTAGE REGULATORS

6 page

LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)

LM7810/I/R/RI ELECTRICAL CHARACTERISTICS

(Refer to test circuit, TMIN <TJ <TMAX, IO= 500mA, VI =16V, CI = 0.33

µF, C

O= 0.1

µF, unless otherwise specified)

* TMIN <TJ <TMAX

LM78XXI/RI: TMIN= - 40

°C, T

MAX = +125

°C

LM78XX/R: TMIN= 0

°C, T

MAX= +125

°C

* Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken

into account separately. Pulse testing with low duty is used.

LM7810I

LM7810

Min Typ

Max

Min Typ

Max

TJ =+25

°C

9.6

10.4

9.6

10.4

Output Voltage

5.0mA

≤ I

≤1.0A, P

≤15W

VI = 12.5V to 25V

VI= 13.5V to 25V

9.5

10.5

9.5

10.5

VI = 12.5V to 25V

200

VI = 13V to 25V

100

IO = 5mA to 1.5A

200

IO = 250mA to 750mA

400

Quiescent Current

TJ =+25

°C

5.1

IO = 5mA to 1.0A

0.5

Quiescent Current Change

∆I

VI = 12.5V to 29V

1.0

VI = 13.5V to 29V

1.0

Output Voltage Drift

∆V

∆T IO = 5mA

-1

mV/

°C

Output Noise Voltage

f = 10Hz to 100Khz, TA =+25

°C

µV/Vo

Ripple

Rejection

f = 120Hz

VI = 13V to 23V

Dropout Voltage

IO = 1A, TJ=+25

°C

Output Resistance

f = 1KHz

Ω

Short Circuit Current

ISC

VI = 35V, TA=+25

°C

250

Peak Current

IPK

TJ =+25

°C

2.2

Unit

Line Regulation

∆V

TJ =+25

°C

TJ =+25

°C

Load Regulation

Characteristic

Symbol

Test Conditions

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