78XX
Electrical Characteristics
7808
I
Electrical characteristics at specified virtual junction temperature, V
= 14V, I
O
= 500mA (unless otherwise noted)
Parameter
Test Conditions*
7808
Units
Min
7.7
7.6
Typ
Max
8.3
8.4
Output voltage**
25C
0C to 125C
8
8
V
I
V
O
= 5mA to 1A,
= 10.5V to 23V,
P≤15W
I
mV
25C
0C to 125C
25C
6
2
160
80
Input regulation
V
V
I
= 10.5V to 25V
= 11V to 17V
I
55
72
dB
Ripple rejection
V
I
= 11.5V to 21.5V,
f= 120Hz
= 5mA to 1.5A
= 250mA to 750mA
mV
12
4
160
80
Output regulation
IO
IO
Output resistance
f= 1KHz
= 5mA
f= 10 Hz to 100 KHz
= 1A
0C to 125C
0C to 125C
25C
0.016
-0.8
52
Ω
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
I
O
mV/C
µV
IO
25C
2.0
V
Bias current
25C
4.3
8
mA
A
0C to 125C
1
Bias current change
V
IO
I
= 10.5V to 25V
= 5mA to 1A
0.5
Short-circuit output current
Peak output current
25C
25C
450
2.2
*
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.
=
E= lectrical Characteristics
7885
Electrical characteristics at specified virtual junction temperature, V
I
= 15V, I
O
= 500mA (unless otherwise noted)
Units
Parameter
Test Conditions*
MIK7885
Typ
8.5
Min
8.15
8.1
Max
8.85
8.9
Output voltage**
25C
0C to 125C
V
8.5
I
V
O
= 5mA to 1A,
= 11V to 23.5V,
P≤15W
I
mV
25C
6
2
170
85
Input regulation
Ripple rejection
Output regulation
V
V
I
= 10.5V to 25V
= 11V to 17V
I
V
I= 11.5V to 21.5V, f=
0C to 125C
25C
54
70
dB
120Hz
mV
12
4
170
85
I
O
= 5mA to 1.5A
= 250mA to 750mA
f= 1KHz
= 5mA
f= 10 Hz to 100 KHz
= 1A
I
O
Output resistance
0C to 125C
0C to 125C
25C
0.016
-0.8
55
Ω
Temperature coefficient of output voltage
Output noise voltage
Dropout voltage
IO
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
= 10.5V to 25V
= 5mA to 1A
0.5
Short-circuit output current
Peak output current
25C
25C
450
2.2
BEIJING ESTEK ELECTRONICS CO.,LTD
4
ESTEK [ Estek Electronics Co. Ltd ]
