Electrical characteristics
L7800AB/AC series
Table 5.
Electrical characteristics of L7808A (VI = 14V, IO=1A, TJ = 0 to 150°C (L7808AC),
TJ = -40 to 125°C (L7808AB), unless otherwise specified)
Symbol
Parameter Test conditions
Output voltage
Min.
Typ.
Max.
Unit
VO
TJ = 25°C
7.84
8
8.16
V
IO = 5mA to 1A, PO ≤15W
VI = 10.6 to 23V
VO
Output voltage
7.7
8
8.3
V
VI = 10.6 to 25V, IO = 500 mA
VI = 11 to 17V
12
15
5
80
80
40
80
100
100
50
6
mV
mV
mV
mV
mV
V
(1)
∆VO
Line regulation
VI = 11 to 17V, TJ = 25°C
VI = 10.4 to 23V, TJ = 25°C
IO = 5mA to 1A
12
25
30
10
4.3
(1)
∆VO
Load regulation
I
O = 5mA to 1.5A, TJ = 25°C
O = 250 to 750mA
I
V
TJ = 25°C
mA
mA
mA
mA
mA
Iq
Quiescent current
6
VI = 11 to 25V, IO = 500 mA
0.8
0.8
0.5
∆Iq
Quiescent current change VI = 10.6 to 23V, TJ = 25°C
IO = 5mA to 1A
VI = 11.5 to 21.5V, f = 120Hz,
Supply voltage rejection
SVR
62
dB
IO = 500mA
Vd
eN
RO
Isc
Dropout voltage
IO = 1A, TJ = 25°C
TA = 25°C, B =10Hz to 100KHz
f =1KHz
2
V
µV/VO
mΩ
A
Output noise voltage
Output resistance
Short circuit current
10
18
VI = 35V, TA = 25°C
0.2
2.2
-0.8
Iscp
Short circuit peak current TJ = 25°C
A
∆VO/∆T Output voltage drift
mV/°C
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be
O
taken into account separately. Pulse testing with low duty cycle is used.
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STMICROELECTRONICS [ ST ]
