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LF120AB View Datasheet(PDF) - STMicroelectronics

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Description
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LF120AB Datasheet PDF : 49 Pages
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LFxxAB - LFxxC
Electrical characteristics
Table 5.
Symbol
Electrical characteristics for LF15C (refer to the test circuits, TJ = 25 °C, CI = 0.1 µF,
CO = 2.2 µF unless otherwise specified.)
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
IO = 50 mA, VI = 3.5 V
1.47 1.5 1.53
V
IO = 50 mA, VI = 3.5 V, Ta = -25 to 85°C 1.44
1.56
VI Operating input voltage IO = 500 mA
2.5
16
V
IO Output current limit
1
A
ΔVO Line regulation
VI = 2.5 to 16 V, IO = 5 mA
2
10 mV
ΔVO Load regulation
VI = 2.8 V, IO = 5 to 500 mA
2
10 mV
Id Quiescent current
VI = 2.5 to 16V, IO = 0mA
ON MODE
VI = 2.8 to 16V, IO=500mA
0.5
1
mA
12
VI = 6 V
OFF MODE
50 100 µA
f = 120 Hz
82
SVR Supply voltage rejection IO = 5 mA, VI = 3.5 ± 1 V f = 1 kHz
77
dB
f = 10 kHz
65
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
II Control input current
CO
Output bypass
capacitance
IO = 200 mA
Ta = -40 to 125°C
Ta = -40 to 125°C
VI = 6 V, VC = 6 V
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
1
V
0.8
V
2
V
10
µA
2
10
µF
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