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參數(shù)資料
| 型號： | L4953 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multifunction Voltage Regulator for Car Radio(用于汽車收音機(jī)的多功能電壓穩(wěn)壓器) |
| 中文描述： | 多功能電壓調(diào)節(jié)器汽車收音機(jī)（用于汽車收音機(jī)的多功能電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 54K |
| 代理商： | L4953 |
L4953
MULTIFUNCTIONVOLTAGE REGULATOR FOR CAR RADIO
3 OUTPUTS:
10V (500mA); 5V (1A); 5V (100mA) STANDBY
OUT1 (10V) AND OUT2 (5V) WITH INDE-
PENDENT ENABLE CONTROL FOR STAND-
BY MODE
3A HIGH SIDE DRIVER WITH CLAMPED
OUTPUT (16V)
LOGIC OUTPUT FOR:
– SUPPLYUNDERVOLTAGE (LVW)
– OVERVOLTAGE
– THERMAL PROTECTION
RESET FUNCTION
IGNITION COMPARATOR
REVERSE BATTERY AND LOAD DUMP
PROTECTION
THERMAL SHUTDOWN
DESCRIPTION
The L4953 contains a triple voltage regulator and
a power switch.
The IC includes a monitoring circuit to warn if a
low voltage or no voltageconditionis occuring.
In stand-by output is active as long as possible
even when in thermal shutdown or any other fault
conditions.
The STCAP pin allows the use of a reserve sup-
ply capacitor that will hold enough energy for the
5V Stand-byline to allow the
μ
P to store data.
January 1996
5V, 100mA
REGULATOR
STAND-BY
LOAD
DUMP
AND
REV
BATT PROT
REF
GEN
5V, 1000mA
REGULATOR
SWITCHED
10V, 500mA
REGULATOR
SWITCHED
16V, 3A
VOLTAGE
CLAMP
SWITCHED
OVERVOLTAGE
UNDERVOLTAGE
THERMAL
PROT
RESET
VCAP
Vref1 LVW THRESHOLD
Vref2 Reset THRESHOLD
IGNITION THRESHOLD
PROT
VS
7
POW GND
3
EN 5V
1
STCAP
12
EN 10V
2
EN 16V
15
11
STAND-BY 5V
9
OUT 5V
10
OUT 10V
4
OUT 16V
14
13
6
IGN OUT
LVW/FAULT
RESET
IGN INP
5
D94AU053A
SIG GND
8
BLOCK DIAGRAM
Multiwatt 15
ORDERING NUMBER:
L4953
1/6
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4953G | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 3-Output 9.2/5/5V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| L4953K | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO |
| L4954 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO |
| L4954_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Quad multifunction voltage regulator for car radio |
| L4955 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5A ULDO LINEAR REGULATORS FAMILY |
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