L7812C STMicroelectronics, L7812C Datasheet - Page 14

• Manufacturer Part Number: L7812C
• Description: Positive voltage regulators
• Manufacturer: STMicroelectronics

Electrical characteristics
Table 9.
1. Load and line regulation are specified at constant junction temperature. Changes in V
14/57
Symbol
ΔV
ΔV
ΔV
SVR
taken into account separately. Pulse testing with low duty cycle is used.
I
ΔI
R
V
V
V
eN
V
I
scp
O
I
O
O
sc
q
O
O
O
O
d
/ΔT
q
(1)
(1)
Output voltage
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
V
otherwise specified.
Electrical characteristics of L7812A
I
= 19 V, I
Parameter
O
= 1 A, TJ = 0 to 125 °C (L7812AC), T
T
I
I
V
T
V
V
V
I
I
I
T
V
V
I
V
I
T
f = 1 kHz
V
T
O
O
O
O
O
O
O
A
J
J
J
J
I
I
I
I
I
I
I
I
= 5 mA to 1 A, V
= 1 A, V
= 14.8 to 30 V, I
= 16 to 12 V
= 16 to 12 V, T
= 14.5 to 27 V, T
= 5 mA to 1 A
= 5 mA to 1.5 A, T
= 250 to 750 mA
= 15 to 30 V, I
= 14.8 to 27 V, T
= 5 mA to 1 A
= 15 to 25 V, f = 120 Hz, I
= 1 A, T
= 35 V, T
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C, B = 10 Hz to 100 kHz
Doc ID 2143 Rev 26
J
I
Test conditions
A
= 25 to 27 V, T
= 25°C
= 25°C
O
J
O
= 500 mA
= 25°C
I
J
J
= 14.8 to 25 V
= 500 mA,
= 25°C
= 25°C
J
= 25°C
J
= 25°C
O
J
= 500 mA
= -40 to 125 °C (L7812AB), unless
L78xx, L78xxC, L78xxAB, L78xxAC
O
due to heating effects must be
11.75
Min.
11.5
11.5
Typ.
4.4
0.2
2.2
12
12
12
13
16
13
25
30
10
60
10
18
-1
6
2
12.25
Max.
12.5
12.5
120
120
120
100
100
0.8
0.8
0.5
60
50
6
6
mV/°C
µV/V
Unit
mΩ
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
dB
V
V
V
V
V
V
A
A
O