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參數(shù)資料
| 型號： | L4956 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5A LOW DROP LINEAR REGULATOR |
| 中文描述： | 第5A低壓降線性穩(wěn)壓器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 80K |
| 代理商： | L4956 |
ABSOLUTE MAXIMUM RATINGS
Symbol
V
PW
, V
SIG
Parameter
Value
7
-0.3 to 4
0 to V
SIG
2
15
-40 to +150
Unit
V
V
V
W
W
°
C
Supply Input Voltage
ADJ pin
PG and INH pins
Power Dissipation @ T
amb
= 50
°
C
Power Dissipation @ T
case
= 90
°
C
Storage Temperature
P
TOT
T
st
, T
i
PIN FUNCTIONS
No.
1
2
3
Name
V
PW
V
SIG
INH
Function
Unregulated power inputvoltage; this pin must be bypassed with a capacitor larger than10
μ
F.
Unregulated signal input voltage this pin has to be by passed with a minimum capacitor of 0.1
μ
F.
TTL-CMOS input. A logic level on this input disable the device. An internal pull-down insures insures
full functionally even if the pin is open.
Ground.
The output is connected directly to this terminal for 1.26V operation via divider for higher voltages.
Opendrain output, this pin is low when the outputvoltage islower than 90%, otherwise ishigh.
Regulated output voltage. A minimum bypass capacitor of 22
μ
F is required to insure stability.
4
5
6
7
GND
ADJ
PG
OUT
1
2
3
4
5
6
7
OUT
PG
ADJ
GND
INH
V
SIG
V
PW
D96IN373
tab connected to pin 4
PIN CONNECTION
(Top view)
V
PW
PRE
REGULATOR
V
=
1.26V
+
-
E/A
OUT
ADJ
GND
PG
D96IN372A
1
3
6
4
5
7
INHIBIT
ACTIVE HIGH
1.26V
INH
V
PW
10
μ
F
CURRENT
LIMITATION
THERMAL
SHUTDOWN
FOLDBACK
BUFFER
CHARGE
PUMP
POWER
DMOS
150m
+
-
0.9V
REF
R1
22
μ
F
R2
V
OUT
V
SIG
2
V
SIG
BLOCK DIAGRAM
L4956
2/8
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| L4957AV3.3 | UP TO 5A ULDO LINEAR REGULATOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4957 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:UP TO 4A ULDO LINEAR REGULATOR |
| L4957A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Up to 5A ULDO linear regulator |
| L4957A_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Up to 5A ULDO linear regulator |
| L4957AD1.5 | 功能描述:低壓差穩(wěn)壓器 - LDO 1.5V 5.0A Linear 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 |
| L4957AD1.5TR | 功能描述:低壓差穩(wěn)壓器 - LDO 1.5V 5.0A Linear 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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