L78L00 SERIES
ELECTRICAL CHARACTERISTICS OF L78L18C
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= 27V,
I
O
= 40 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
eN
SVR
V
d
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
T
J
= 25°C
I
O
= 1 to 40 mA
I
O
= 1 to 70 mA
V
I
= 22 to 33 V
V
I
= 22 to 33 V
I
O
= 1 to 100 mA
I
O
= 1 to 40 mA
T
J
= 25°C
T
J
= 125°C
I
O
= 1 to 40 mA
V
I
= 23 to 33 V
B =10Hz to 100KHz
V
I
= 23 to 33 V
I
O
= 40 mA
T
J
= 25°C
f = 120Hz
T
J
= 25°C
32
120
38
1.7
V
I
= 22 to 33 V
V
I
= 27 V
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
16.6
16.2
16.2
Typ.
18
Max.
19.4
19.8
19.8
320
270
170
85
6.5
6
0.2
1.5
µV
dB
V
mA
mA
mA
mV
mV
Unit
V
V
ELECTRICAL CHARACTERISTICS OF L78L20C
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= 29V,
I
O
= 40 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
eN
SVR
V
d
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
T
J
= 25°C
I
O
= 1 to 40 mA
I
O
= 1 to 70 mA
V
I
= 22.5 to 34 V
V
I
= 24 to 34 V
I
O
= 1 to 100 mA
I
O
= 1 to 40 mA
T
J
= 25°C
T
J
= 125°C
I
O
= 1 to 40 mA
V
I
= 25 to 33 V
B =10Hz to 100KHz
V
I
= 25 to 35 V
I
O
= 40 mA
T
J
= 25°C
f = 120Hz
T
J
= 25°C
31
120
38
1.7
V
I
= 24 to 33 V
V
I
= 29 V
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
18.4
18
18
Typ.
20
Max.
21.6
22
22
330
280
180
90
6.5
6
0.2
1.5
µV
dB
V
mA
mA
mA
mV
mV
Unit
V
V
8/24
STMICROELECTRONICS [ STMICROELECTRONICS ]
