L7800
ELECTRICAL CHARACTERISTICS FOR L7808
(refer to the test circuits, T
j
= -55 to 150
o
C,
V
i
= 14V, I
o
= 500 mA, C
i
= 0.33
µF,
C
o
= 0.1
µF
unless otherwise specified)
Symbol
V
o
V
o
∆V
o
*
∆V
o
*
I
d
∆I
d
∆I
d
∆
V
o
∆
T
eN
SVR
V
d
R
o
I
sc
I
s cp
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Short Circuit Peak Current
T
j
= 25 C
I
o
= 5 mA to 1 A P
o
≤
15 W
V
i
= 11.5 to 23 V
V
i
= 10.5 to 25 V T
j
= 25
o
C
o
V
i
= 11 to 17 V T
j
= 25 C
I
o
= 5 to 1500 mA
I
o
= 250 to 750 mA
T
j
= 25
o
C
I
o
= 5 to 1000 mA
V
i
= 11.5 to 25 V
I
o
= 5 mA
B = 10Hz to 100KHz T
j
= 25
o
C
V
i
= 11.5 to 21.5 V
I
o
= 1 A
f = 1 KHz
V
i
= 35 V
T
j
= 25 C
o
o
o
Test Conditions
Min.
7.7
7.6
Typ.
8
8
Max.
8.3
8.4
80
40
100
40
6
0.5
0.8
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
mV/ C
o
T
j
= 25 C
o
T
j
= 25 C
o
1
40
62
2
16
T
j
= 25 C
1.3
o
µV/V
O
dB
V
mΩ
A
A
f = 120 Hz
T
j
= 25 C
2.5
1.2
3.3
0.75
2.2
ELECTRICAL CHARACTERISTICS FOR L7812
(refer to the test circuits, T
j
= -55 to 150
o
C,
V
i
= 19V, I
o
= 500 mA, C
i
= 0.33
µF,
C
o
= 0.1
µF
unless otherwise specified)
Symbol
V
o
V
o
∆V
o
*
∆V
o
*
I
d
∆I
d
∆I
d
∆
V
o
∆
T
eN
SVR
V
d
R
o
I
sc
I
s cp
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Short Circuit Peak Current
T
j
= 25 C
I
o
= 5 mA to 1 A P
o
≤
15 W
V
i
= 15.5 to 27 V
V
i
= 14.5 to 30 V T
j
= 25 C
o
V
i
= 16 to 22 V T
j
= 25 C
I
o
= 5 to 1500 mA
I
o
= 250 to 750 mA
T
j
= 25
o
C
I
o
= 5 to 1000 mA
V
i
= 15 to 30 V
I
o
= 5 mA
B = 10Hz to 100KHz T
j
= 25 C
V
i
= 15 to 25 V
I
o
= 1 A
f = 1 KHz
V
i
= 35 V
T
j
= 25
o
C
T
j
= 25 C
1.3
o
o
o
o
Test Conditions
Min.
11.5
11.4
Typ.
12
12
Max.
12.5
12.6
120
60
100
60
6
0.5
0.8
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
mV/ C
o
T
j
= 25
o
C
o
T
j
= 25 C
1.5
40
61
2
18
0.75
2.2
1.2
3.3
2.5
µV/V
O
dB
V
mΩ
A
A
f = 120 Hz
T
j
= 25
o
C
* Load and line regulation are specified at constant junction temperature. Changes in V
o
due to heating effects must be taken into account
separately. Pulce testing with low duty cycle is used.
6/25
STMICROELECTRONICS [ STMICROELECTRONICS ]
