L7805C STMicroelectronics, L7805C Datasheet - Page 14

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L7805C

Manufacturer Part Number
L7805C
Description
Positive voltage regulators
Manufacturer
STMicroelectronics
Datasheet
Electrical characteristics
V
= 19 V, I
= 1 A, TJ = 0 to 125 °C (L7812AC), T
I
O
otherwise specified.
Table 9.
Electrical characteristics of L7812A
Symbol
Parameter
V
Output voltage
O
V
Output voltage
O
V
Output voltage
O
ΔV
(1)
Line regulation
O
(1)
ΔV
Load regulation
O
I
Quiescent current
q
ΔI
Quiescent current change
q
SVR
Supply voltage rejection
V
Dropout voltage
d
eN
Output noise voltage
R
Output resistance
O
I
Short circuit current
sc
I
Short circuit peak current
scp
ΔV
/ΔT
Output voltage drift
O
1. Load and line regulation are specified at constant junction temperature. Changes in V
taken into account separately. Pulse testing with low duty cycle is used.
14/57
= -40 to 125 °C (L7812AB), unless
J
Test conditions
T
= 25°C
J
I
= 5 mA to 1 A, V
= 14.8 to 25 V
O
I
I
= 1 A, V
= 25 to 27 V, T
= 25°C
O
I
J
V
= 14.8 to 30 V, I
= 500 mA,
I
O
T
= 25°C
J
V
= 16 to 12 V
I
V
= 16 to 12 V, T
= 25°C
I
J
V
= 14.5 to 27 V, T
= 25°C
I
J
I
= 5 mA to 1 A
O
I
= 5 mA to 1.5 A, T
= 25°C
O
J
I
= 250 to 750 mA
O
T
= 25°C
J
V
= 15 to 30 V, I
= 500 mA
I
O
V
= 14.8 to 27 V, T
= 25°C
I
J
I
= 5 mA to 1 A
O
V
= 15 to 25 V, f = 120 Hz, I
= 500 mA
I
O
I
= 1 A, T
= 25°C
O
J
T
= 25°C, B = 10 Hz to 100 kHz
A
f = 1 kHz
V
= 35 V, T
= 25°C
I
A
T
= 25°C
J
Doc ID 2143 Rev 26
L78xx, L78xxC, L78xxAB, L78xxAC
Min.
Typ.
Max.
11.75
12
12.25
11.5
12
12.5
11.5
12
12.5
13
120
16
120
6
60
13
120
25
100
30
100
10
50
4.4
6
6
0.8
0.8
0.5
60
2
10
18
0.2
2.2
-1
due to heating effects must be
O
Unit
V
V
V
mV
mV
mV
mV
mV
V
V
mA
mA
mA
mA
mA
dB
V
µV/V
O
A
A
mV/°C

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