LF18C View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
LF18C Datasheet PDF : 32 Pages
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LF00AB/C
ELECTRICAL CHARACTERISTICS FOR LF120AB (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
Vo Output Voltage
Vi Operating Input Voltage
Io ut Output Current Limit
∆Vo Line Regulation
∆Vo Load Regulation
Io = 50 mA, Vi = 15 V
Io = 50 mA, Vi = 15 V -25<Ta<85 oC
Io = 500 mA
Vi = 13 to 16 V, Io = 5 mA
Vi = 13.3 V
Io = 5 to 500 mA
11.880 12 12.120 V
11. 760
12.240 V
16
V
1
A
12
60
mV
12
60
mV
Id Quiescent Current
SVR Supply Voltage Rejection
ON MODE
Vi = 13 to 16 V Io = 0 mA
Vi = 13.3 to 16 V Io = 500 mA
OFF MODE Vi = 13 V
Io = 5 mA Vi = 14 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
0.7
1.5
mA
12
mA
70
1 40
µA
69
dB
64
dB
54
dB
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Io = 200 mA
Io = 500 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
Ii Control Input Current
Vi = 13 V, Vc = 6 V
CO Output Bypass Capacitance ESR = 0.1 to 10 Ω Io = 0 to 500 mA
0.2 0.35
V
0.4
0.7
V
0.8
V
2
V
10
µA
2
10
µF
ELECTRICAL CHARACTERISTICS FOR LF120C (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
Vo Output Voltage
Vi Operating Input Voltage
Io ut Output Current Limit
∆Vo Line Regulation
∆Vo Load Regulation
Id Quiescent Current
SVR Supply Voltage Rejection
Io = 50 mA, Vi = 14 V
Io = 50 mA, Vi = 14 V -25<Ta<85 oC
Io = 500 mA
Vi = 13 to 16 V, Io = 5 mA
Vi = 13.3 V
Io = 5 to 500 mA
ON MODE
Vi = 13 to 16 V Io = 0 mA
Vi = 13.3 to 16 V Io = 500 mA
OFF MODE Vi = 13 V
Io = 5 mA Vi = 14 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
11.76
12 12.24
V
11.52
12 .4 8
V
16
V
1
A
12
60
mV
12
60
mV
0.7
1.5
mA
12
mA
70
1 40
µA
69
dB
64
dB
54
dB
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Io = 200 mA
Io = 500 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
Ii Control Input Current
Vi = 13 V, Vc = 6 V
CO Output Bypass Capacitance ESR = 0.1 to 10 Ω Io = 0 to 500 mA
0.2 0.35
V
0.4
0.7
V
0.8
V
2
V
10
µA
2
10
µF
22/32
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