L7800AB/AC
ELECTRICAL CHARACTERISTICS FOR L7812A
(V
i
= 19V, I
o
= 1 A, T
j
= 0 to 125
o
C (L7812AC),
T
j
= -40 to 125
o
C (L7812AB) unless otherwise specified)
Symbol
V
o
V
o
∆
V
o
*
Parameter
Output Voltage
Output Voltage
Line Regulation
T
j
= 25
o
C
I
o
= 5 mA to 1 A
V
i
= 14.8 to 27 V
V
i
= 14.8 to 30 V
V
i
= 16 to 22 V
V
i
= 16 to 22 V
V
i
= 14.5 to 27 V
P
o
≤
15 W
I
o
= 500 mA
T
j
= 25
o
C
T
j
= 25
o
C
Test Conditions
Min.
11.75
11.5
Typ.
12
12
13
16
6
13
25
30
10
4.4
Max.
12.25
12.5
120
120
60
120
100
100
50
6
6
0.8
0.8
0.5
60
2
T
j
= 25
o
C
10
18
T
amb
= 25
o
C
0.2
2.2
-1
Unit
V
V
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
dB
V
µ
V/V
o
m
Ω
A
A
mV/
o
C
∆V
o
*
Load Regulation
I
o
= 5 mA to 1 A
I
o
= 5 mA to 1.5 A T
j
= 25
o
C
I
o
= 250 to 750 mA
T
j
= 25
o
C
V
i
= 15 to 30 V
I
o
= 500 mA
T
j
= 25
o
C
V
i
= 14.8 to 27 V
I
o
= 5 mA to 1 A
V
i
= 15 to 25 V
I
o
= 500 mA
I
o
= 1 A
f = 120 Hz
I
d
∆
I
d
Quiescent Current
Quiescent Current Change
SVR
V
d
e
N
R
o
I
s c
I
scp
∆
V
o
Supply Voltage Rejection
Dropout Voltage
Output Noise Voltage
Output Resistance
Short Circuit Current
Short Circuit Peack Current
Output Voltage Drift
T
j
= 25
o
C
B = 10Hz to 100KHz
f = 1KHz
V
i
= 35 V
T
j
= 25
o
C
∆
T
* Load and line regulation are specified at constant junction temperature. Changes in V
o
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
9/17
STMICROELECTRONICS [ STMICROELECTRONICS ]
