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PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Output Voltage

VOUT

TJ = 25°C, lO =40mA

-11.52

12

-12.48

V

1mA≤ IOUT≤40mA,-14.5V ≥VIN≥ -27V

-11.40

-

-12.60

1mA ≤ IOUT ≤ 70mA, VIN = -19V

-11.40

-

-12.60

Line Regulation

ΔVOUT

-14.5V≥VIN≥-27V,TJ =25°C,lO=40mA

-

36

250

mV

-16V ≥VIN≥ -27V,TJ= 25°C, lO=40mA

-

-

200

Load Regulation

ΔVOUT

1mA ≤ IOUT ≤ 100mA, TJ = 25°C

-

16

100

1mA ≤ IOUT ≤ 40mA, TJ = 25°C

-

-

50

Input Bias Current

IB

TJ = 25°C

-

3.5

6.5

mA

TJ = 125°C

-

-

6.0

Input Bias Current

Change

ΔIB

-16V ≥ VIN ≥ -27V

-

-

1.5

mA

1mA ≤ IOUT ≤ 40mA

-

-

0.1

Output Noise

Voltage

eN

10Hz ≤ f ≤ 100KHz, TJ = 25°C

-

210

-

µVRMS

Ripple Rejection

RR

f =120Hz,-15V ≥ VIN ≥ 25V,TJ= 25°C

37

64

-

dB

Dropout Voltage

VD

VIN – VOUT

-

1.7

-

V

Absolute Maximum Ratings

PARAMETER

SYMBOL

VALUE

UNIT

Input Voltage

VIN

-35

V

Power Dissipation

1

PD

625

mW

Operating Temperature Range

-

-55 to 125

°C

Maximum Junction Temperature

TJ

150

°C

Storage Temperature

TSTG

-65 to 150

°C

1. Value measured in TO-92 package applicable only for DC power dissipation permitted by absolute maximum ratings. Results in

die form are dependent on die attach and assembly method.

Linear Voltage Regulator – 79L12

Rev 1.0

23/07/25

PARAMETER

SYMBOL

MIN

MAX

UNIT

Input Voltage

VIN

-14.5

-27

V

Output Current

IOUT

-

100

mA

Operating Temperature Range

TJ

-55

125

°C

Recommended Operating Conditions

DC Electrical Characteristics V

l = -19V, lOUT=40mA,CI=0.33µF, CO=0.1µf, 0°C<TJ<+125°C(unless noted otherwise)