LF18CPT-TR 查看數據表（PDF） - STMicroelectronics
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LF18CPT-TR Datasheet PDF : 54 Pages
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Electrical characteristics
LFXX
Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.
Symbol
Parameter
Table 11: LF33AB electrical characteristics
Test condition
Min. Typ. Max. Unit
VO Output voltage
VI
Operating input voltage
IO
Output current limit
∆VO Line regulation
∆VO Load regulation
Id
Quiescent current
SVR Supply voltage rejection
IO = 50 mA
VI = 5.3 V
IO = 50 mA
VI = 5.3 V
Ta = -25 to 85 °C
IO = 500 mA
VI = 4.3 to 16 V
IO = 5 mA
VI = 4.6 V
IO = 5 to 500 mA
VI = 4.3 to 16 V
IO = 0 mA
VI = 4.6 to 16 V
IO = 500 mA
VI = 6 V
IO = 5 mA
VI = 5.3 ± 1 V
ON mode
OFF mode
f = 120 Hz
f = 1 kHz
f = 10 kHz
3.267 3.3 3.333
3.234
V
3.366
16
V
1
A
3
16
mV
3
16
mV
0.5
1
mA
12
50
100
µA
80
75
dB
65
eN Output noise voltage
B = 10 Hz to 100 kHz
50
µV
Vd Dropout voltage
IO = 200 mA
IO = 500 mA
VIL Control input logic low
Ta = -40 to 125 °C
VIH Control input logic high
Ta = -40 to 125 °C
II
Control input current
VI = 6 V
VC = 6 V
ESR = 0.1 to 10 Ω
CO
Output bypass capacitance
IO = 0 to 500 mA
0.2 0.35
V
0.4
0.7
0.8
V
2
V
10
µA
2
10
µF
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