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LF120AB View Datasheet(PDF) - STMicroelectronics

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LF120AB Datasheet PDF : 49 Pages
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LFxxAB - LFxxC
Electrical characteristics
Table 27.
Electrical characteristics for LF85CDT-TRY and LF85CPT-TRY (Automotive Grade)
(refer to the test circuits, TA = -40 to 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 = 10.5 V, Ta = 25°C
IO = 50 mA, VI = 10.5 V
8.33 8.5 8.67
V
8.145
8.855
VI Operating input voltage IO = 500 mA
16
V
IO Output current limit
Ta = 25°C
1
A
ΔVO Line regulation
VI = 9.5 to 16 V, IO = 5 mA
8
44 mV
ΔVO Load regulation
VI = 9.8 V, IO = 5 to 500 mA
8
44 mV
Id Quiescent current
VI = 9.5 to 16V, IO = 0mA
ON MODE
VI = 9.8 to 16V, IO=500mA
0.7 2.5
mA
12
VI = 9 V
OFF MODE
70 160 µA
f = 120 Hz
72
SVR Supply voltage rejection
IO = 5 mA, VI = 10.5 ± 1 V
Ta = 25°C
f = 1 kHz
67
dB
f = 10 kHz
57
eN Output noise voltage
Vd Dropout voltage
VIL Control input logic low
VIH Control input logic high
II Control input current
CO
Output bypass
capacitance
B = 10 Hz to 100 kHz, Ta = 25°C
IO = 200 mA
IO = 500 mA
VI = 9 V, VC = 6 V, Ta = 25°C
ESR = 0.1 to 10 Ω, IO = 0 to 500 mA
50
µV
0.2 1.3
V
0.4 1.3
0.8
V
2
V
10
µA
2
10
µF
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