參數(shù)資料
型號： L4931
廠商： 意法半導(dǎo)體
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Very Low Drop Voltage Regulators with Inhibit(帶禁止低壓差電壓穩(wěn)壓器)
中文描述： 非常低壓降穩(wěn)壓器與抑制（帶禁止低壓差電壓穩(wěn)壓器）
文件頁數(shù)： 8/25頁
文件大?。?/td> 399K
代理商： L4931
ELECTRICAL CHARACTERISTICS FOR L4931ABxx30
(refer to the test circuits, T
j
= 25
o
C,
C
i
= 0.1
μ
F, C
o
= 2.2
μ
F unless otherwise specified)
Symbol
Parameter
Test Conditions
V
o
Output Voltage
I
o
= 5 mA, V
i
= 5 V
I
o
= 5 mA, V
i
= 5 V -25<T
a
<85
o
C
V
i
Operating Input Voltage
I
o
= 250 mA
I
out
Output Current Limit
V
o
Line Regulation
V
i
= 3.7 to 20 V, I
o
= 0.5 mA
V
o
(*)
Load Regulation
V
i
= 3.9 V I
o
= 0.5 to 250 mA
I
d
Quiescent Current
ON MODE
V
i
= 3.9 to 20 V I
o
= 0 mA
V
i
= 3.9 to 20 V I
o
= 250 mA
OFF MODE V
i
= 6 V
SVR
Supply Voltage Rejection
I
o
= 5 mA V
i
= 4.9 V
±
1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
V
d
(*)
Dropout Voltage
I
o
= 250 mA
I
o
= 250 mA -40 < T
j
< 125
o
C
V
il
Control Input Logic Low
-40 < T
a
< 125
o
C
V
ih
Control Input Logic High
-40 < T
a
< 125
o
C
I
i
Control Input Current
V
i
= 6 V, V
c
= 6 V
C
O
Output Bypass Capacitance
ESR = 0.1 to 10
I
o
= 0 to 250 mA
Min.
2.97
2.94
Typ.
3
Max.
3.03
3.06
20
Unit
V
V
V
mA
mV
mV
300
3
3
15
15
0.6
4
50
1
6
mA
mA
μ
A
100
74
71
55
50
0.4
dB
dB
dB
μ
V
V
V
V
V
μ
A
μ
F
0.6
0.8
0.8
2
10
10
2
ELECTRICAL CHARACTERISTICS FOR L4931Cxx30
(refer to the test circuits, T
j
= 25
o
C,
C
i
= 0.1
μ
F, C
o
= 2.2
μ
F unless otherwise specified)
Symbol
Parameter
Test Conditions
V
o
Output Voltage
I
o
= 5 mA, V
i
= 5 V
I
o
= 5 mA, V
i
= 5 V -25<T
a
<85
o
C
V
i
Operating Input Voltage
I
o
= 250 mA
I
out
Output Current Limit
V
o
Line Regulation
V
i
= 3.8 to 20 V, I
o
= 0.5 mA
V
o
(*)
Load Regulation
V
i
= 4 V I
o
= 0.5 to 250 mA
I
d
Quiescent Current
ON MODE
V
i
= 4 to 20 V I
o
= 0 mA
V
i
= 4 to 20 V I
o
= 250 mA
OFF MODE V
i
= 6 V
SVR
Supply Voltage Rejection
I
o
= 5 mA V
i
= 5 V
±
1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
V
d
(*)
Dropout Voltage
I
o
= 250 mA
I
o
= 250 mA -40 < T
j
< 125
o
C
V
il
Control Input Logic Low
-40 < T
a
< 125
o
C
V
ih
Control Input Logic High
-40 < T
a
< 125
o
C
I
i
Control Input Current
V
i
= 6 V, V
c
= 6 V
C
O
Output Bypass Capacitance
ESR = 0.1 to 10
I
o
= 0 to 250 mA
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20mV
Min.
2.94
2.88
Typ.
3
Max.
3.06
3.12
20
Unit
V
V
V
mA
mV
mV
300
3
3
18
18
0.6
4
50
1
6
mA
mA
μ
A
100
74
71
55
50
0.4
dB
dB
dB
μ
V
V
V
V
V
μ
A
μ
F
0.6
0.8
0.8
2
10
10
2
L4931 SERIES
8/25
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4931ABD12 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
L4931ABD120 功能描述:低壓差穩(wěn)壓器 - LDO 12V 0.25A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L4931ABD120TR 功能描述:低壓差穩(wěn)壓器 - LDO 12V 0.25A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L4931ABD15 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
L4931ABD15-TR 功能描述:低壓差穩(wěn)壓器 - LDO 1.5V 0.25A Positive RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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