參數(shù)資料
型號： L4920
廠商： 意法半導體
英文描述： Very Lowdrop Adjustable Regulators(低壓差輸出可調(diào)穩(wěn)壓器)
中文描述： 非常Lowdrop可調(diào)穩(wěn)壓器（低壓差輸出可調(diào)穩(wěn)壓器）
文件頁數(shù)： 3/7頁
文件大?。?/td> 73K
代理商： L4920
(*) Foldback protection.
Note :
1. Design limits are guaranteed (but not 100% production tested) over the indicated temperature and supply voltage
ranges. These limits are not used to calculate outgoing quality levels.
ELECTRICALCHARACTERISTICS
(forV
I
=14.4V,T
J
=25
°
C,V
O
=5V,C
O
=100
μ
F,unlessOtherwiseSpeci-
fied)
Symbol
V
I
Parameter
Test Condition
Min.
V
O
+ 0.7
5.2
1.20
Typ.
Max.
26
26
1.30
Unit
V
V
V
Operating Input Voltage
V
O
≥
4.5V, I
O
= 400mA
V
REF
≤
V
O
< 4.5V, I
O
= 400mA
5.2V < V
I
< 26V
5mA
≤
I
O
≤
400mA (*)
V
O
+ 1V < V
I
< 26V, V
O
≥
4.5V
I
O
= 5mA
5mA
≤
I
O
≤
400mA (*) V
O
≥
4.5V
I
O
= 10mA
I
O
= 150mA
I
O
= 400mA
I
O
= 0mA
V
O
+ 1V < V
I
<26V
I
O
= 400mA (*)
V
O
+ 1V < V
I
<26V
V
REF
Reference Voltage
1.25
V
O
Line Regulation
1
10
mV/V
V
O
V
D
Load Regulation
Dropout Voltage
3
15
mV/V
V
V
V
0.05
0.2
0.4
0.4
0.7
I
Q
Quiescent Current
0.8
2
mA
65
800
350
90
mA
mA
mA
I
O
Maximal Output Current
Short Circuit Output Current (*)
I
OSC
500
(*) Foldback protection
ELECTRICALCHARACTERISTICS
(forV
I
=14.4V,–40
≤
T
J
≤
125
°
C (note1),V
O
= 5V,C
O
=100
μ
F,unless
OtherwiseSpecified)
Symbol
V
I
Parameter
Test Condition
Min.
V
O
+ 0.9
5.2
1.17
Typ.
Max.
26
26
1.33
15
Unit
V
V
V
mV/V
Operating Input Voltage
V
O
≥
4.5V, I
O
= 400mA
V
REF
≤
V
O
< 4.5V, I
O
= 400mA
5.4V < V
I
< 26V
V
O
+ 1.2V < V
I
< 26V, V
O
≥
4.5V
I
O
= 5mA
5mA
≤
I
O
≤
400mA (*) V
O
≥
4.5V
I
O
= 150mA
I
O
= 400mA
I
O
= 0mA
V
O
+ 1.2V < V
I
<26V
I
O
= 400mA (*)
V
O
+ 1.2V < V
I
<26V
V
REF
V
O
Reference Voltage
Line Regulation
1.25
2
V
O
V
D
Load Regulation
Dropout Voltage
5
25
0.4
0.7
mV/V
V
V
0.2
0.4
I
Q
Quiescent Current
1,2
3
mA
80
870
230
140
mA
mA
mA
I
O
Maximal Output Current
Short Circuit Output Current (*)
I
OSC
500
L4920/L4921
3/7
相關PDF資料
PDF描述
L4921 Very Lowdrop Adjustable Regulators(低壓差輸出可調(diào)穩(wěn)壓器)
L4922 Very Lowdrop Adjustable Regulators(帶復位的低壓差穩(wěn)壓器)
L4923 Low Drop Regulator With Reset and Inhibit(帶禁止和復位的低壓差穩(wěn)壓器)
L4925 Very Low Drop Voltage Regulator(低壓差穩(wěn)壓器)
L4931 Very Low Drop Voltage Regulators with Inhibit(帶禁止低壓差電壓穩(wěn)壓器)
相關代理商/技術參數(shù)
參數(shù)描述
L4921 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOWDROP ADJUSTABLE REGULATORS
L4922 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP REGULATOR WITH RESET
L4923 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WITH RESET AND INHIBIT 5V.1A VERY LOW DROP REGULATOR
L4925 功能描述:低壓差穩(wěn)壓器 - LDO 5V 0.5A w/Reset 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
L4925H 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
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