78XX
Electrical Characteristics
7812
Electrical characteristics at specified virtual junction temperature, V
I
= 19V, I
O
= 500mA (unless otherwise noted)
Parameter
Test Conditions*
7812
Units
Min
11.5
11.4
Typ
Max
12.5
12.6
Output voltage**
25C
12
V
0C to 125C
12
I
V
O
= 5mA to 1A,
= 14.5V to 27V,
P≤15W
I
mV
25C
0C to 125C
25C
10
3
240
120
Input regulation
V
V
I
= 14.5V to 30V
= 16V to 22V
I
55
71
dB
Ripple rejection
V
I
= 15V to 25V,
f= 120Hz
= 5mA to 1.5A
mV
12
240
120
Output regulation
IO
4
IO
= 250mA to 750mA
Output resistance
f= 1KHz
0C to 125C
0C to 125C
25C
0.018
-1.0
75
Ω
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
I
O
= 5mA
f= 10 Hz to 100 KHz
= 1A
mV/C
µ
V
V
IO
25C
2.0
Bias current
25C
4.3
8
mA
0C to 125C
1
Bias current change
V
I= 14.5V to 30V
IO
= 5mA to 1A
0.5
Short-circuit output current
Peak output current
25C
25C
350
2.2
A
*
Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal
effects must be taken into account separately.
**
This specification applies only for dc power dissipation permitted by absolute maximum ratings.
Electrical Characteristics
7815
I
Electrical characteristics at specified virtual junction temperature, V
= 23V, I
O
= 500mA (unless otherwise noted)
Units
Parameter
Test Conditions*
MIK7815
Output voltage**
25C
14.4
15
15.6
V
0C to 125C
14.25
15
15.75
IO= 5mA to 1A,
V
I= 17.5V to 30V, P≤
mV
25C
0C to 125C
25C
12
3
300
150
Input regulation
V
V
I
= 17.5V to 30V
= 20V to 26V
I
54
70
dB
Ripple rejection
V
I
= 18.5V to 28.5V,
f= 120Hz
= 5mA to 1.5A
= 250mA to 750mA
mV
12
4
300
150
Output regulation
IO
IO
Output resistance
f= 1KHz
= 5mA
f= 10 Hz to 100 KHz
= 1A
0C to 125C
0C to 125C
25C
0.019
-1.0
90
Ω
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
I
O
mV/C
µ
V
IO
25C
2.0
V
Bias current
25C
4.3
8
mA
A
0C to 125C
1
Bias current change
V
IO
I
= 17.5V to 30V
= 5mA to 1A
0.5
Short-circuit output current
Peak output current
25C
25C
230
2.1
BEIJING ESTEK ELECTRONICS CO.,LTD
6
ESTEK [ Estek Electronics Co. Ltd ]
