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參數(shù)資料
| 型號(hào)： | L4953G |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO |
| 中文描述： | 多功能穩(wěn)壓器以便汽車收音機(jī) |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 45K |
| 代理商： | L4953G |
3 OUTPUTS:
9.2V (500mA);
5V (1A);
5V (100mA)STANDBY
OUT1 (9.2V) AND OUT2 (5V) WITH INDE-
PENDENT ENABLE CONTROL FOR STAND-
BY MODE
2A HIGH SIDE DRIVER WITH CLAMPED
OUTPUT (16V)
LOGIC OUTPUT FOR:
– SUPPLYUNDERVOLTAGE (LVW)
– OVERVOLTAGE
– THERMAL PROTECTION
RESETFUNCTION
IGNITIONCOMPARATOR
REVERSE BATTERY AND LOAD DUMP
PROTECTION
THERMALSHUTDOWN
DESCRIPTION
The L4953G contains a triple voltage regulator
and a power switch.
The IC includes a monitoring circuit to warn if a
low voltageor no voltageconditionis occuring.
In stand-by output is active as long as possible
even when in thermal shutdownor 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 tostore data.
This is preliminary information on a new product now in development. Details are subject to change without notice.
April 1999
5V,
100mA
REGULATOR
STAND-BY
LOAD DUMP
REF
GEN
5V,
1000mA
REGULATOR
SWITCHED
9.2V,
500mA
REGULATOR
SWITCHED
16V,
2A
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 9.2V
2
EN 16V
15
11
STAND-BY 5V
9
OUT 5V
10
OUT 9.2V
4
OUT 16V
14
13
6
IGN OUT
LVW/FAULT
RESET
IGN INP
5
D97AU579
SIG GND
8
BLOCK DIAGRAM
Multiwatt15
L4953G
MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO
PRELIMINARY DATA
1/6
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| L4953K | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO |
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