Datasheet

V
I
= 23 V, I
O
= 1 A, T
J
= 0 to 125 °C (L7815AC), T
J
= -40 to 125 °C (L7815AB), unless otherwise specified.
Table 8. Electrical characteristics of L7815A
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage
T
J
= 25 °C
14.7 15 15.3 V
V
O
Output voltage
I
O
= 5 mA to 1 A, V
I
= 17.9 to 28 V
14.4 15 15.6 V
V
O
Output voltage
I
O
= 1 A, V
I
= 28 to 30 V, T
J
= 25 °C
14.4 15 15.6 V
∆V
O
(1)
Line regulation
V
I
= 17.9 to 30 V, I
O
= 500 mA, T
J
= 25 °C
13 150 mV
V
I
= 20 to 26 V
16 150 mV
V
I
= 20 to 26 V, T
J
= 25 °C
6 75 mV
V
I
= 17.5 to 30 V, T
J
= 25 °C
13 150 mV
∆V
O
(1)
Load regulation
I
O
= 5 mA to 1 A
25 100
mV
I
O
= 5 mA to 1.5 A, T
J
= 25 °C
30 100
I
O
= 250 to 750 mA
10 50
I
q
Quiescent current
T
J
= 25 °C
4.4 6 mA
6 mA
∆I
q
Quiescent current change
V
I
= 17.5 to 30 V, I
O
= 500 mA
0.8 mA
V
I
= 17.5 to 30 V, T
J
= 25 °C
0.8 mA
I
O
= 5 mA to 1 A
0.5 mA
SVR Supply voltage rejection
V
I
= 18.5 to 28.5 V, f = 120 Hz, I
O
= 500 mA
58 dB
V
d
Dropout voltage
I
O
= 1 A, T
J
= 25 °C
2 V
eN Output noise voltage
T
A
= 25 °C, B = 10Hz to 100 kHz
10
µV/V
O
R
O
Output resistance f = 1 kHz 19 mΩ
I
sc
Short circuit current
V
I
= 35 V, T
A
= 25 °C
0.2 A
I
scp
Short circuit peak current
T
J
= 25 °C
2.2 A
∆V
O
/∆T
Output voltage drift -1 mV/°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.
Note: Minimum load current for regulation is 5 mA.
L78
Electrical characteristics
DS0422 - Rev 36
page 11/55