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L4931 数据表(PDF) 13 Page - STMicroelectronics

部件名 L4931
功能描述  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L4931 数据表(HTML) 13 Page - STMicroelectronics

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L4931 SERIES
13/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx45 (refer to the test circuits, TJ = 25°C,
CI =0.1 µF, CO = 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx47 (refer to the test circuits, TJ = 25°C,
CI =0.1 µF, CO = 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO =5mA
VI = 6.5 V
4.41
4.5
4.59
V
IO =5mA
VI =6.5 V
TA=-25 to 85°C
4.32
4.68
VI
Operating Input Voltage
IO = 250 mA
20
V
Iout
Output Current Limit
300
mA
∆V
O
Line Regulation
VI = 5.3 to 20 V
IO = 0.5 mA
3.521mV
∆V
O(*)
Load Regulation
VI =5.5 V
IO = 0.5 to 250 mA
3
18
mV
Id
Quiescent Current
ON MODE
VI = 5.5 to 20 V
IO = 0 mA
0.61mA
VI = 5.5 to 20 V
IO = 250 mA
4
6
OFF MODE
VI =6 V
50
100
µA
SVR
Supply Voltage Rejection
IO =5mA
VI =6.5 ± 1 V
f = 120 Hz
71
dB
f= 1KHz
68
f= 10 KHz
55
eN
Output Noise Voltage
B =10 Hz to 100 KHz
50
µV
Vd(*)
Dropout Voltage
IO = 250 mA
0.4
0.6
V
IO = 250 mA
TJ= -40 to 125°C
0.8
VIL
Control Input Logic Low
TA= -40 to 125°C
0.8
V
VIH
Control Input Logic High
TA= -40 to 125°C
2
V
II
Control Input Current
VI =6 V,
VC =6V
10
µA
CO
Output Bypass Capacitance ESR = 0.1 to 10
Ω
IO = 0 to 250 mA
2
10
µF
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO =5mA
VI = 6.7 V
4.653
4.7
4.747
V
IO =5mA
VI =6.7 V
TA=-25 to 85°C 4.606
4.794
VI
Operating Input Voltage
IO = 250 mA
20
V
Iout
Output Current Limit
300
mA
∆V
O
Line Regulation
VI = 5.4 to 20 V
IO = 0.5 mA
3.5
17.5
mV
∆V
O(*)
Load Regulation
VI =5.6 V
IO = 0.5 to 250 mA
3
15
mV
Id
Quiescent Current
ON MODE
VI = 5.6 to 20 V
IO = 0 mA
0.61mA
VI = 5.6 to 20 V
IO = 250 mA
4
6
OFF MODE
VI =6 V
50
100
µA
SVR
Supply Voltage Rejection
IO =5mA
VI =6.6 ± 1 V
f = 120 Hz
71
dB
f= 1KHz
68
f= 10 KHz
55
eN
Output Noise Voltage
B =10 Hz to 100 KHz
50
µV
Vd(*)
Dropout Voltage
IO = 250 mA
0.4
0.6
V
IO = 250 mA
TJ= -40 to 125°C
0.8
VIL
Control Input Logic Low
TA= -40 to 125°C
0.8
V
VIH
Control Input Logic High
TA= -40 to 125°C
2
V
II
Control Input Current
VI =6 V,
VC =6V
10
µA
CO
Output Bypass Capacitance ESR = 0.1 to 10
Ω
IO = 0 to 250 mA
2
10
µF



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