L4940 STMicroelectronics, L4940 Datasheet - Page 5

• Manufacturer Part Number: L4940
• Description: VERY LOW DROP 1.5 A REGULATORS
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTICS FOR L4940V10 (refer to the test circuits, T
V
ELECTRICAL CHARACTERISTICS FOR L4940V12 (refer to the test circuits, T
V
Symbol
Symbol
i
i
SVR
SVR
= 12V, C
= 14V, C
V
V
V
I
V
V
V
I
Z
V
I
V
I
V
V
V
s c
V
V
V
s c
Q
I
Q
I
T
T
o
o
d
o
o
d
o
Q
Q
i
i
o
o
o
o
o
o
Output Voltage
Output Voltage
Operating Input Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
Output Voltage
Output Voltage
Operating Input Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
Output Impedance
i
i
= 0.1 F, C
= 0.1 F, C
Parameter
Parameter
o
o
= 22 F unless otherwise specified)
= 22 F unless otherwise specified)
V
I
I
I
I
I
I
I
V
V
V
I
I
I
I
I
I
I
V
I
I
I
I
I
I
I
I
I
I
I
I
f = 1KHz
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
i
i
i
i
i
= 500 mA
= 5 mA to 1500 mA
= 5 mA
= 5 mA
= 5 to 1500 mA
= 500 to 1000 mA
= 5 mA
= 1.5 A V
= 5 mA
= 1.5 A V
= 1 A
= 0.5 A
= 1.5 A
= 500 mA
= 5 mA to 1500 mA
= 5 mA
= 5 mA
= 5 to 1500 mA
= 500 to 1000 mA
= 5 mA
= 1.5 A V
= 5 mA
= 1.5 A V
= 1 A
= 0.5 A
= 1.5 A
= 11.7 to 16 V
= 14 V
= 11.7 V
= 13.8 to 17 V
= 14 V
Test Conditions
Test Conditions
f = 120 Hz
f = 120 Hz
V
V
I
i
i
i
i
o
i
i
= 11.7 V
= 11.7 to 16 V
= 13.8 V
= 13.8 to 16 V
= 11 to 17 V
= 13 to 17 V
= 0.5A
11.75
11.5
Min.
Min.
9.8
9.6
56
55
j
j
= 25
= 25
Typ.
Typ.
200
500
200
500
2.2
1.2
10
30
12
30
40
10
15
10
62
12
15
10
61
3
4
1
2
3
4
2
o
o
C,
C,
12.25
L4940 series
Max.
Max.
10.2
10.4
12.5
400
900
400
900
2.7
2.9
1.5
2.7
17
35
20
50
13
17
35
25
50
10
8
8
2
7
8
mV/
mV/
Unit
Unit
m
mV
mV
mA
mA
mV
mV
mV
mA
mA
mV
dB
dB
V
V
V
A
A
V
V
V
A
5/13
o
o
C
C