l7808ab STMicroelectronics, l7808ab Datasheet - Page 11
l7808ab
Manufacturer Part Number
l7808ab
Description
Precision 1a Regulators
Manufacturer
STMicroelectronics
Datasheet
1.L7808AB.pdf
(27 pages)
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Table 8.
1. Load and line regulation are specified at constant junction temperature. Changes in V
Symbol
ΔV
ΔV
ΔV
SVR
taken into account separately. Pulse testing with low duty cycle is used.
I
V
V
ΔI
eN
R
V
I
scp
O
O
O
I
sc
q
O
O
O
d
/ΔT
q
(1)
(1)
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Supply voltage rejection
Dropout voltage
Output noise voltage
Output resistance
Short circuit current
Short circuit peak current
Output voltage drift
Electrical characteristics of L7812A (V
T
J
= -40 to 125 °C (L7812AB), unless otherwise specified)
Parameter
T
I
V
V
V
V
V
I
I
I
T
V
V
I
V
I
T
f =1kHz
V
T
O
O
O
O
O
O
A
J
J
J
I
I
I
I
I
I
I
I
I
= 5mA to 1A, P
= 14.8 to 27V
= 14.8 to 30V, I
= 16 to 12V
= 16 to 12V, T
= 14.5 to 27V, T
= 5mA to 1A
= 5mA to 1.5A, T
= 250 to 750mA
= 15 to 30V, I
= 14.8 to 27V, T
= 5mA to 1A
= 15 to 25V, f = 120Hz, I
= 1A, T
= 35V, T
= 25°C
= 25°C
= 25°C, B =10Hz to 100kHz
= 25°C
J
A
= 25°C
Test conditions
= 25°C
O
J
O
O
= 500 mA
= 25°C
J
J
I
= 500 mA
J
≤ 15W
= 25°C
= 25°C
= 19 V, I
= 25°C
O
= 500mA
O
= 1 A, T
O
J
due to heating effects must be
11.75
= 0 to 150 °C (L7812AC),
Min.
11.5
Typ.
4.4
0.2
2.2
12
12
13
16
13
25
30
10
60
10
18
-1
6
2
12.25
Max.
12.5
120
120
120
100
100
0.8
0.8
0.5
60
50
6
6
mV/°C
µV/V
Unit
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mΩ
dB
11/27
V
V
V
V
V
A
A
O