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LM2931 数据表(PDF) 5 Page - STMicroelectronics

部件名 LM2931
功能描述  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT FUNCTION
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LM2931 数据表(HTML) 5 Page - STMicroelectronics

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LM2931 SERIES
5/19
ELECTRICAL CHARACTERISTICS OF LM2931B 3.3V (refer to the test circuits, TJ = 25°C,
CI =0.1 µF, CO = 100 µF, VI = 14V, IO = 10mA, VINH = 0V, unless otherwise specified).
Note 1: Reference Voltage is measured from VOUT to ADJ pin.
Note 2: Vd measured when the output voltage has dropped 100mV from the nominal value obtained at 14V.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VI
Maximum Operating Input
Voltage
IO =10 mA
TJ = -40 to 125°C
26
37
V
VO
Output Voltage
3.135
3.3
3.465
V
VO
Output Voltage
IO = 100 mA VI =6to 26 V
TJ = -40 to 125°C
2.97
3.3
3.63
V
∆V
O
Line Regulation
VI =9 to 16 V
2
10
mV
VI =6 to 26 V
4
33
∆V
O
Load Regulation
IO = 5 to 100 mA
10
33
mV
Vd
Dropout Voltage (Note 1, 2) IO =10 mA
90
200
mV
IO = 100 mA
250
600
Id
Quiescent Current
ON MODE
IO = 100 mA
2.5
30
mA
OFF MODE
VINH =2.5 V
RLOAD = 330 Ω
0.31mA
ISC
Short Circuit Current
100
300
mA
SVR
Supply Voltage Rejection
IO = 100 mA,
VI =14± 2V
f=120Hz,
TJ = -40 to 125°C
55
78
dB
VIL
Control Input Voltage Low
TJ = -40 to 125°C
2
1.2
V
VIH
Control Input Voltage High
TJ = -40 to 125°C
3.25
2
V
IINH
Inhibit Input Current
VINH =2.5 V
22
50
µA
VI
Transient Input Voltage
RLOAD = 330 Ωτ < 100ms
60
70
V
VI
Reverse Polarity Input
Voltage
VO =± 0.3V
RLOAD = 330 Ω
-15
-50
V
VI
Reverse Polarity Input
Voltage Transient
RLOAD = 330 Ωτ < 100ms
-50
V
eN
Output Noise Voltage
B =10 Hz to 100 KHz
330
µV
RMS



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