Electrical characteristics
L7800AB/AC series
4
Table 3.
Symbol
V
O
V
O
Electrical characteristics
Electrical characteristics of L7805A
(V
I
= 10V, I
O
=1A, T
J
= 0 to 150°C (L7805AC),
T
J
= -40 to 125°C (L7805AB), unless otherwise specified)
Parameter
Output voltage
Output voltage
T
J
= 25°C
I
O
= 5mA to 1A, P
O
≤
15W
V
I
= 7.5 to 20V
V
I
= 7.5 to 25V, I
O
= 500 mA
Test conditions
Min.
4.9
4.8
Typ.
5
5
7
10
2
7
25
30
8
4.3
Max.
5.1
5.2
50
50
25
50
100
100
50
6
6
V
I
= 8 to 25V, I
O
= 500 mA
∆I
q
Quiescent current change
V
I
= 7.5 to 20V, T
J
= 25°C
I
O
= 5mA to 1A
SVR
V
d
eN
R
O
I
sc
I
scp
Supply voltage rejection
Dropout voltage
Output noise voltage
Output resistance
Short circuit current
Short circuit peak current
Output voltage drift
V
I
= 8 to 18V, f = 120Hz, I
O
= 500mA
I
O
= 1A, T
J
= 25°C
T
A
= 25°C, B =10Hz to 100KHz
f =1KHz
V
I
= 35V, T
A
= 25°C
T
J
= 25°C
68
2
10
17
0.2
2.2
-1.1
0.8
0.8
0.5
Unit
V
V
mV
mV
mV
mV
mV
V
V
mA
mA
mA
mA
mA
dB
V
µV/V
O
mΩ
A
A
mV/°C
∆V
O (1)
Line regulation
V
I
= 8 to 12V
V
I
= 8 to 12V, T
J
= 25°C
V
I
= 7.3 to 20V, T
J
= 25°C
I
O
= 5mA to 1A
∆V
O
(*)
Load regulation
I
O
= 5mA to 1.5A, T
J
= 25°C
I
O
= 250 to 750mA
I
q
Quiescent current
T
J
= 25°C
∆V
O
/∆T
1. 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.
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