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LF12AB View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
LF12AB Datasheet PDF : 34 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LF00 SERIES
ELECTRICAL CHARACTERISTICS FOR LF18C (refer to the test circuits, Tj = 25°C, CI = 0.1 µF,
CO = 2.2 µF unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
IO = 50 mA, VI = 3.5 V
1.764 1.8 1.836 V
IO = 50 mA, VI = 3.5 V, Ta = -25 to 85°C
1.728
1.872
VI Operating Input Voltage
IO = 500 mA
3
16
V
IO Output Current Limit
1
A
VO Line Regulation
VI = 2.8 to 16 V, IO = 5 mA
2
12
mV
VO Load Regulation
VI = 3.3 V,
IO = 5 to 500 mA
2
10
mV
Id Quiescent Current
VI = 2.5 to 16V, IO = 0mA ON MODE
0.5
1
mA
VI = 3.1 to 16V, IO = 500mA
12
VI = 6 V
OFF MODE
50
100
µA
SVR Supply Voltage Rejection
IO = 5 mA
VI = 3.5 ± 1 V
f = 120 Hz
f = 1 KHz
f = 10 KHz
82
dB
77
60
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd Dropout Voltage
IO = 200 mA
0.7
V
VIL Control Input Logic Low
Ta = -40 to 125°C
0.8
V
VIH Control Input Logic High Ta = -40 to 125°C
2
V
II Control Input Current
VI = 6 V,
VC = 6 V
10
µA
CO Output Bypass Capacitance ESR = 0.1 to 10
IO = 0 to 500 mA
2
10
µF
ELECTRICAL CHARACTERISTICS FOR LF25AB (refer to the test circuits, Tj = 25°C, CI = 0.1 µF,
CO = 2.2 µF unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
IO = 50 mA, VI = 4.5 V
2.475 2.5 2.525 V
IO = 50 mA, VI = 4.5 V, Ta = -25 to 85°C 2.450
2.550
VI Operating Input Voltage
IO = 500 mA
16
V
IO Output Current Limit
1
A
VO Line Regulation
VI = 3.5 to 16 V, IO = 5 mA
2
12
mV
VO Load Regulation
VI = 3.8 V,
IO = 5 to 500 mA
2
12
mV
Id Quiescent Current
VI = 3.5 to 16V, IO = 0mA ON MODE
0.5
1
mA
VI = 3.8 to 16V, IO = 500mA
12
VI = 6 V
OFF MODE
50
100
µA
SVR Supply Voltage Rejection
IO = 5 mA
VI = 4.5 ± 1 V
f = 120 Hz
f = 1 KHz
82
dB
77
f = 10 KHz
65
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd Dropout Voltage
IO = 200 mA
0.2 0.35
V
IO = 500 mA
0.4
0.7
VIL Control Input Logic Low
Ta = -40 to 125°C
0.8
V
VIH Control Input Logic High Ta = -40 to 125°C
2
V
II Control Input Current
VI = 6 V,
VC = 6 V
10
µA
CO Output Bypass Capacitance ESR = 0.1 to 10
IO = 0 to 500 mA
2
10
µF
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