IL78XX

IL7812 ELECTRICAL CHARACTERISTICS

(Refer to test circuit, Tmin<Tj<Tmax, Io=500mA, VI=19V, Ci=0.33 ㎌, Co=0.1 ㎌, unless otherwise sprcified)

Characteristic

Symbol

Test condition

Min.

Typ.

Max.

Unit

Tj = 25

° C

11.5

12

12.5

Output Voltage

Vo

5.0mA ≤Io ≤1.0A, PD ≤15W

VI = 14.5V to 27V

VI = 15.5V to 27V

11.4

12

12.6

V

VI = 14.5V to 30V

10

240

Line Regulation

∆Vo

Tj =

25

° C

VI = 16V to 22V

3

120

Io = 5.0mA to 1.5A

11

240

Load Regulation

∆Vo

Tj =

25

° C

Io = 250mA to 750mA

5

120

mV

Quiescent current

Iq

Tj = 25

° C

5.1

8

mA

Io = 5mA to 1A

0.1

0.5

VI = 14.5V to 30V

0.5

1.0

Quiescent current

Change

∆Iq

VI = 15V to 30V

mA

Output voltage Drift

Io = 5mA

-1

mV/

° C

Output noise voltage

Vn

f = 10Hz to 100KHz, Ta = 25

° C

76

㎶

Ripple Rejection

RR

f = 120Hz, VI = 15V to 25V

55

71

dB

Dropout voltage

Vd

Io = 1A, Tj = 25

° C

2

V

Peak current

Ipk

Tj = 25

° C

2.2

A

Output Resistance

Ro

f = 1KHz

17

Short circuit current

Isc

Vi = 35V, Ta = 25

° C

230

mA

* Load and lone regulation are specified at constant junction temperature. Changes in Vo due to heating effects

must be taken into account separately. Pulse testing with low duty is used.

Rev. 02