L78xxAB - L78xxAC
Electrical characteristics
Table 10.
Symbol
V
O
V
O
Electrical characteristics of L7824A
(V
I
= 33 V, I
O
= 1 A, T
J
= 0 to 150 °C (L7824AC),
T
J
= -40 to 125 °C (L7824AB), unless otherwise specified)
Parameter
Output voltage
Output voltage
T
J
= 25°C
I
O
= 5mA to 1A, P
O
≤15W
V
I
= 27.3 to 38V
V
I
= 27 to 38V, I
O
= 500 mA
Test conditions
Min.
23.5
23
Typ.
24
24
31
35
14
31
25
30
10
4.6
Max.
24.5
25
240
200
120
240
100
100
50
6
6
V
I
= 27.3 to 38V, I
O
= 500 mA
0.8
0.8
0.5
54
2
10
20
0.2
2.2
-1.5
Unit
V
V
mV
mV
mV
mV
mV
V
V
mA
mA
mA
mA
mA
dB
V
µV/V
O
mΩ
A
A
mV/°C
ΔV
O (1)
Line regulation
V
I
= 30 to 36V
V
I
= 30 to 36V, T
J
= 25°C
V
I
= 26.7 to 38V, T
J
= 25°C
I
O
= 5mA to 1A
ΔV
O (1)
Load regulation
I
O
= 5mA to 1.5A, T
J
= 25°C
I
O
= 250 to 750mA
I
q
Quiescent current
T
J
= 25°C
ΔI
q
Quiescent current change
V
I
= 27.3 to 38V, T
J
= 25°C
I
O
= 5mA to 1A
SVR
V
d
eN
R
O
I
sc
I
scp
ΔV
O
/ΔT
Supply voltage rejection
Dropout voltage
Output noise voltage
Output resistance
Short circuit current
Short circuit peak current
Output voltage drift
V
I
= 28 to 38V, f = 120Hz, I
O
= 500mA
I
O
= 1A, T
J
= 25°C
T
A
= 25°C, B =10Hz to 100kHz
f =1kHz
V
I
= 35V, T
A
= 25°C
T
J
= 25°C
1. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
13/26
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