L4931 查看數據表（PDF） - STMicroelectronics
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L4931 Datasheet PDF : 41 Pages
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Electrical characteristics
4
Electrical characteristics
L4931 series
Table 3.
Symbol
Electrical characteristics of L4931ABxx15 (refer to the test circuits, TJ = 25°C, CI = 0.1 µF,
CO = 2.2 µF unless otherwise specified).
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
VI Operating input voltage
Iout Output current limit
∆VO Line regulation
∆VO Load regulation (1)
Quiescent current
Id ON MODE
OFF MODE
SVR Supply voltage rejection
eN Output noise voltage
Vd Dropout voltage (1)
VIL Control input logic low
VIH Control Input Logic High
II Control input current
CO
Output bypass
capacitance
IO = 5 mA, VI = 3.5 V
IO = 5 mA, VI = 3.5 V, TA=-25 to 85°C
IO = 250 mA
VI = 2.5 to 20 V, IO = 0.5 mA
VI = 2.7 V, IO = 0.5 to 250 mA
VI = 2.7 to 20 V, IO = 0 mA
VI = 2.7 to 20 V, IO = 250 mA
VI = 6 V
IO = 5 mA
VI = 3.7 ± 1 V
f = 120 Hz
f = 1 KHz
f = 10 KHz
B =10 Hz to 100 KHz
IO = 250 mA
TA= -40 to 125°C
TA= -40 to 125°C
VI = 6 V, VC = 6 V
ESR = 0.1 to 10 Ω, IO = 0 to 250 mA
1.485 1.5 1.515
V
1.47
1.53
2.5
20
V
300
mA
3
15 mV
3
15 mV
0.6
1
mA
4
6
50 100 µA
79
76
dB
55
50
µV
1
V
0.8
V
2
V
10
µA
2
10
µF
1. For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
6/40
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