L7812AC STMicroelectronics, L7812AC Datasheet - Page 9

• Manufacturer Part Number: L7812AC
• Description: Precision 1 A regulators
• Manufacturer: STMicroelectronics

L78xx, L78xxC, L78xxAB, L78xxAC
5
Table 4.
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
ΔI
R
V
V
eN
V
I
O
scp
I
sc
O
O
d
O
O
O
d
/ΔT
d
(1)
(1)
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Dropout voltage
Output resistance
Short circuit current
Short circuit peak current
Electrical characteristics
Refer to the test circuits, T
C
Electrical characteristics of L7805
O
= 0.1 µF unless otherwise specified.
Parameter
T
I
V
V
I
I
T
I
V
I
B =10 Hz to 100 kHz, T
V
I
f = 1 kHz
V
T
O
O
O
O
O
O
J
J
J
I
I
I
I
I
= 5 mA to 1 A, V
= 7 to 25 V, T
= 8 to 12 V, T
= 5 mA to 1.5 A, T
= 250 to 750 mA, T
= 5 mA to 1 A
= 8 to 25 V
= 5 mA
= 8 to 18 V, f = 120 Hz
= 1 A, T
= 35 V, T
= 25°C
= 25°C
= 25°C
J
= -55 to 150 °C, V
Doc ID 2143 Rev 26
J
Test conditions
J
= 25°C
= 25°C
J
J
= 25°C
= 25°C
I
= 8 to 20 V
J
J
= 25°C
J
= 25°C
I
= 25°C
= 10 V, I
O
= 500 mA, C
O
due to heating effects must be
Min.
4.65
4.8
1.3
68
Electrical characteristics
I
Typ.
0.75
0.6
2.2
17
= 0.33 µF,
5
5
3
1
2
Max.
5.35
100
5.2
0.5
0.8
2.5
1.2
3.3
50
25
25
40
6
mV/°C
µV/V
Unit
mΩ
mV
mV
mA
mA
dB
V
V
V
A
A
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O