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L7824ABD2T Datasheet, PDF (9/57 Pages) STMicroelectronics – Positive voltage regulator ICs
L78xx, L78xxC, L78xxAB, L78xxAC
5
Electrical characteristics
Electrical characteristics
Refer to the test circuits, TJ = -55 to 150 °C, VI = 10 V, IO = 500 mA, CI = 0.33 µF,
CO = 0.1 µF unless otherwise specified.
Symbol
Table 4. Electrical characteristics of L7805
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
TJ = 25°C
4.8
5
5.2
V
VO Output voltage
IO = 5 mA to 1 A, VI = 8 to 20 V
4.65
5
5.35
V
VO(1) Line regulation
VI = 7 to 25 V, TJ = 25°C
VI = 8 to 12 V, TJ = 25°C
3
50
mV
1
25
VO(1) Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
IO = 250 to 750 mA, TJ = 25°C
100
mV
25
Id
Quiescent current
TJ = 25°C
6
mA
Id
IO = 5 mA to 1 A
Quiescent current change
VI = 8 to 25 V
0.5
mA
0.8
VO/T Output voltage drift
IO = 5 mA
0.6
mV/°C
eN Output noise voltage
B =10 Hz to 100 kHz, TJ = 25°C
40 µV/VO
SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz
68
dB
Vd Dropout voltage
IO = 1 A, TJ = 25°C
2
2.5
V
RO Output resistance
f = 1 kHz
17
m
Isc Short circuit current
VI = 35 V, TJ = 25°C
0.75 1.2
A
Iscp Short circuit peak current TJ = 25°C
1.3 2.2 3.3
A
1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
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