L4940V12 View Datasheet(PDF) - STMicroelectronics
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Description
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L4940V12 Datasheet PDF : 13 Pages
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L4940 series
ELECTRICAL CHARACTERISTICS FOR L4940V10 (refer to the test circuits, Tj = 25 oC,
Vi = 12V, Ci = 0.1 µF, Co = 22 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Vo Output Voltage
Vi Operating Input Voltage
∆Vo Line Regulation
∆Vo Load Regulation
IQ Quiescent Current
∆IQ Quiescent Current Change
∆Vo Output Voltage Drift
∆T
Io = 500 mA
Io = 5 mA to 1500 mA
Vi = 11.7 to 16 V
Io = 5 mA
Io = 5 mA Vi = 11 to 17 V
Io = 5 to 1500 mA
Io = 500 to 1000 mA
Io = 5 mA
Io = 1.5 A Vi = 11.7 V
Io = 5 mA
Io = 1.5 A Vi = 11.7 to 16 V
9.8
10
10.2
9.6
10
10.4
17
3
8
15
35
10
20
4
8
30
50
2
13
1
SVR Supply Voltage Rejection
Vd Dropout Voltage
Is c Short Circuit Current
Io = 1 A f = 120 Hz
Io = 0.5 A
Io = 1.5 A
Vi = 14 V
Vi = 11.7 V
56
62
200 400
500 900
2
2.7
2.2
2.9
Unit
V
V
V
mV
mV
mA
mA
m V/ oC
dB
mV
A
A
ELECTRICAL CHARACTERISTICS FOR L4940V12 (refer to the test circuits, Tj = 25 oC,
Vi = 14V, Ci = 0.1 µF, Co = 22 µF unless otherwise specified)
Symbol
Parameter
Vo Output Voltage
Vo Output Voltage
Vi Operating Input Voltage
∆Vo Line Regulation
∆Vo Load Regulation
IQ Quiescent Current
∆IQ Quiescent Current Change
∆Vo Output Voltage Drift
∆T
Test Conditions
Io = 500 mA
Io = 5 mA to 1500 mA
Vi = 13.8 to 17 V
Io = 5 mA
Io = 5 mA Vi = 13 to 17 V
Io = 5 to 1500 mA
Io = 500 to 1000 mA
Io = 5 mA
Io = 1.5 A Vi = 13.8 V
Io = 5 mA
Io = 1.5 A Vi = 13.8 to 16 V
Min.
11.75
11.5
Typ.
12
12
Max.
12 .2 5
12.5
17
3
7
15
35
10
25
4
8
30
50
1.5
10
1.2
SVR Supply Voltage Rejection
Vd Dropout Voltage
Is c Short Circuit Current
Zo Output Impedance
Io = 1 A f = 120 Hz
Io = 0.5 A
Io = 1.5 A
Vi = 14 V
f = 1KHz Io = 0.5A
55
61
200 400
500 900
2
2.7
40
Unit
V
V
V
mV
mV
mA
mA
m V/ oC
dB
mV
A
mΩ
5/13
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