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
Vo
Test condition
Min.
11.5
Typ.
12
Max.
12.5
Unit
V
Tj = 25° C
5.0mA ≤Io ≤1.0A, PD ≤15W
VI = 14.5V to 27V
Output Voltage
11.4
12
12.6
VI = 15.5V to 27V
VI = 14.5V to 30V
10
3
240
120
240
120
8
Tj =
25° C
Line Regulation
∆Vo
VI = 16V to 22V
Io = 5.0mA to 1.5A
Io = 250mA to 750mA
Tj = 25° C
mV
11
5
Tj =
25° C
Load Regulation
Quiescent current
∆Vo
Iq
5.1
0.1
0.5
mA
mA
Io = 5mA to 1A
VI = 14.5V to 30V
VI = 15V to 30V
Io = 5mA
0.5
1.0
Quiescent current
Change
∆Iq
Output voltage Drift
Output noise voltage
Ripple Rejection
Dropout voltage
Peak current
∆Vo/∆T
Vn
-1
76
71
2
mV/° C
㎶
dB
V
f = 10Hz to 100KHz, Ta = 25° C
f = 120Hz, VI = 15V to 25V
Io = 1A, Tj = 25° C
Tj = 25° C
RR
55
Vd
Ipk
2.2
17
230
A
Output Resistance
Short circuit current
Ro
f = 1KHz
Isc
mA
Vi = 35V, Ta = 25° C
* 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