MC79XX (LM79XX) (KA79XX/A)

FIXED VOLTAGE REGULATOR (NEGATIVE)

LM7912 ELECTRICAL CHARACTERISTICS

°C ≤T

J

≤ +125°C, C

µF, C

µF, unless otherwise specified.)

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

Characteristic

Symbol

Test Conditions

Min

Typ

Max

Unit

°C

-11.5

-12

-12.5

Output Voltage

-11.4

-12

-12.6

V

12

240

6

120

°C

12

240

°C

4

120

Quiescent Current

°C

3

6

mA

0.05

0.5

0.1

1

∆V

∆T

-0.8

mV/

°C

Output Noise Voltage

f = 10Hz to 100KHz

°C

200

µV

Ripple Rejection

RR

f = 120Hz

∆V

54

60

dB

Dropout Voltage

°C

2

V

Short Circuit Current

°C, V

300

mA

Peak Current

°C

2.2

A

Line Regulation

Load Regulation

∆V

O

∆V

O

mV

°C

mV

Quiescent Current Change

∆I

Q

mA