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LF33CPT-TRY 数据表(PDF) 21 Page - STMicroelectronics

部件名 LF33CPT-TRY
功能描述  Very low drop voltage regulator with inhibit function
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LF33CPT-TRY 数据表(HTML) 21 Page - STMicroelectronics

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LFXX
Electrical characteristics
DocID2574 Rev 31
21/53
Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise
specified.
Table 18: LF50C (automotive grade) electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VO
Output voltage
IO = 50 mA
VI = 7 V
Ta = 25 °C
4.9
5
5.1
V
IO = 50 mA
VI = 7 V
4.785
5.215
VI
Operating input voltage
IO = 500 mA
16
V
IO
Output current limit
Ta = 25 °C
1
A
∆VO
Line regulation
VI = 6 to 16 V
IO = 5 mA
5
28
mV
∆VO
Load regulation
VI = 6.3 V
IO = 5 to 500 mA
5
28
mV
Id
Quiescent current
VI = 6 to 16 V
IO = 0 mA
ON mode
0.5
2
mA
VI = 6.3 to 16 V
IO = 500 mA
12
VI = 6 V
OFF mode
50
120
µA
SVR
Supply voltage rejection
IO = 5 mA
VI = 7 ± 1 V
Ta = 25 °C
f = 120 Hz
76
dB
f = 1 kHz
71
f = 10 kHz
60
eN
Output noise voltage
B = 10 Hz to 100 kHz
Ta = 25 °C
50
µV
Vd
Dropout voltage
IO = 200 mA
0.2
1.3
V
IO = 500 mA
0.4
1.3
VIL
Control input logic low
0.8
V
VIH
Control input logic high
2
V
II
Control input current
VI = 6 V
VC = 6 V
Ta = 25 °C
10
µA
CO
Output bypass capacitance
ESR = 0.1 to 10 Ω
IO = 0 to 500 mA
2
10
µF



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