L7800 SERIES
Table 7: Electrical Characteristics Of L7812 (refer to the test circuits, T = -55 to 150°C, V = 19V,
J
I
I = 500 mA, C = 0.33 µF, C = 0.1 µF unless otherwise specified).
O
I
O
Symbol
Parameter
Test Conditions
Min.
11.5
11.4
Typ.
12
Max.
12.5
12.6
Unit
V
V
V
Output Voltage
Output Voltage
T = 25°C
J
O
O
I
= 5 mA to 1 A
P
≤ 15W
O
12
V
O
V = 15.5 to 27 V
I
∆V (*) Line Regulation
V = 14.5 to 30 V
T = 25°C
120
60
mV
mV
O
I
J
V = 16 to 22 V
T = 25°C
J
I
∆V (*) Load Regulation
I
I
= 5 mA to 1.5 A
= 250 to 750 mA
T = 25°C
100
60
O
O
O
J
T = 25°C
J
I
Quiescent Current
Quiescent Current Change
T = 25°C
6
mA
mA
d
J
∆I
I
= 5 mA to 1 A
O
0.5
0.8
d
V = 15 to 30 V
I
∆V /∆T Output Voltage Drift
I
= 5 mA
O
1.5
mV/°C
O
eN
SVR Supply Voltage Rejection
Output Noise Voltage
B =10Hz to 100KHz
V = 15 to 25 V
T = 25°C
40
µV/V
dB
V
J
O
f = 120Hz
61
I
V
Dropout Voltage
I
= 1 A
T = 25°C
2
2.5
d
O
O
J
R
Output Resistance
Short Circuit Current
f = 1 KHz
V = 35 V T = 25°C
18
mΩ
A
I
0.75
2.2
1.2
3.3
sc
I
J
I
Short Circuit Peak Current T = 25°C
1.3
A
scp
J
(*) Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
Table 8: Electrical Characteristics Of L7815 (refer to the test circuits, T = -55 to 150°C, V = 23V,
J
I
I = 500 mA, C = 0.33 µF, C = 0.1 µF unless otherwise specified).
O
I
O
Symbol
Parameter
Test Conditions
Min.
14.4
Typ.
15
Max.
15.6
Unit
V
V
V
Output Voltage
Output Voltage
T = 25°C
J
O
O
I
= 5 mA to 1 A
P
≤ 15W
O
14.25
15
15.75
V
O
V = 18.5 to 30 V
I
∆V (*) Line Regulation
V = 17.5 to 30 V
T = 25°C
150
75
mV
mV
O
I
J
V = 20 to 26 V
T = 25°C
J
I
∆V (*) Load Regulation
I
I
= 5 mA to 1.5 A
= 250 to 750 mA
T = 25°C
150
75
O
O
O
J
T = 25°C
J
I
Quiescent Current
Quiescent Current Change
T = 25°C
6
mA
mA
d
J
∆I
I
= 5 mA to 1 A
O
0.5
0.8
d
V = 18.5 to 30 V
I
∆V /∆T Output Voltage Drift
I
= 5 mA
O
1.8
mV/°C
O
eN
Output Noise Voltage
B =10Hz to 100KHz
V = 18.5 to 28.5 V
T = 25°C
40
µV/V
dB
V
J
O
SVR Supply Voltage Rejection
f = 120Hz
60
I
V
Dropout Voltage
I
= 1 A
T = 25°C
2
2.5
d
O
J
R
Output Resistance
Short Circuit Current
f = 1 KHz
V = 35 V T = 25°C
19
mΩ
A
O
I
0.75
2.2
1.2
3.3
sc
I
J
I
Short Circuit Peak Current T = 25°C
1.3
A
scp
J
(*) Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
7/34
STMICROELECTRONICS [ ST ]
