L78L12AC STMicroelectronics, L78L12AC Datasheet - Page 15

• Manufacturer Part Number: L78L12AC
• Description: Positive voltage regulators
• Manufacturer: STMicroelectronics

L78LxxAB - L78LxxAC - L78LxxC
Table 21.
Table 22.
Symbol
Symbol
SVR
SVR
V
V
eN
V
V
eN
V
V
V
V
I
V
V
I
d
d
I
I
O
O
O
O
d
d
d
d
O
O
O
O
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output noise voltage
Supply voltage rejection
Dropout voltage
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output noise voltage
Supply voltage rejection
Dropout voltage
T
Electrical characteristics of L78L18AC (V
T
Electrical characteristics of L78L24AB and L78L24AC (V
J
J
= 0 to 125 °C for L78L18AC, T
= 0 to 125 °C for L78L24AC, T
Parameter
Parameter
T
I
I
V
V
I
I
T
T
I
V
B =10 Hz to 100 kHz, T
V
I
T
I
I
V
V
I
I
T
T
I
V
B =10 Hz to 100 kHz, T
V
I
O
O
O
O
O
O
O
O
O
O
O
O
J
J
J
J
J
J
I
I
I
I
I
I
I
I
= 1 to 40 mA, V
= 1 to 70 mA, V
= 22 to 33 V, T
= 22 to 33 V, T
= 1 to 100 mA, T
= 1 to 40 mA, T
= 1 to 40 mA
= 23 to 33 V
= 23 to 33 V, f = 120 Hz
= 40 mA, T
= 1 to 40 mA, V
= 1 to 70 mA, V
= 27 to 38 V, T
= 28 to 38 V, T
= 1 to 100 mA, T
= 1 to 40 mA, T
= 1 to 40 mA
= 28 to 38 V
= 29 to 33 V, f = 120 Hz
= 40 mA, T
= 25 °C
= 25 °C
= 125 °C
= 25 °C
= 25 °C
= 125 °C
Doc ID 2145 Rev 19
J
J
Test conditions
Test conditions
= -40 to 125 °C for L78L18AB.
= -40 to 125 °C for L78L24AB.
J
J
= 25 °C
= 25 °C
J
J
J
J
J
J
I
I
I
I
= 25 °C
= 25 °C
= 25 °C
= 25 °C
= 22 to 33 V
= 27 V
J
= 27 to 38 V
= 33 V
J
= 25 °C
= 25 °C
= 25 °C
= 25 °C
I
J
J
= 27 V)
= 25 °C
= 25 °C
I
= 33 V)
Min.
17.3
17.1
17.1
Min.
22.8
22.8
33
23
31
Electrical characteristics
Typ.
Typ.
120
200
1.7
1.7
18
38
24
37
Max.
Max.
18.7
18.9
18.9
25.2
25.2
320
270
170
350
300
200
100
6.5
0.1
1.5
6.5
0.1
1.5
85
25
6
6
Unit
Unit
mV
mV
mA
mA
mA
mV
mV
mA
mA
mA
µV
dB
µV
dB
15/30
V
V
V
V
V
V