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參數(shù)資料
| 型號： | L4545E |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 92K |
| 代理商： | L4545E |
L4949E
MULTIFUNCTIONVERY LOW DROP
VOLTAGE REGULATOR
OPERATING DC SUPPLY VOLTAGE RANGE
5V - 28V
TRANSIENT SUPPLY VOLTAGEUP TO 40V
EXTREMELY LOW QUIESCENT CURRENT
IN STANDBYMODE
HIGH PRECISION STANDBY OUTPUT VOLT-
AGE 5V
±
1%
OUTPUT CURRENT CAPABILITY UP TO
100mA
VERY LOW DROPOUT VOLTAGE LESS
THAN 0.5V
RESET CIRCUIT SENSING THE OUTPUT
VOLTAGE
PROGRAMMABLE RESET PULSE DELAY
WITH EXTERNAL CAPACITOR
VOLTAGESENSECOMPARATOR
THERMAL SHUTDOWN AND SHORT CIR-
CUIT PROTECTIONS
DESCRIPTION
The L4949Eis a monolithic integrated 5V voltage
regulator with a very low dropout output and addi-
tional functions as power-on reset and input volt-
age sense. It is designed for supplying the micro-
computer
controlled
systems
automotiveapplications.
especially
in
July 1997
REG
1.23V
REF
SI
SO
RES
GND
D96AT219
PREREGULATOR 5V
V
S
2
μ
+
RESET
2V
SENSE
V
S
1.23V
CT
V
OUT
V
Z
BLOCK DIAGRAM
ORDERING NUMBERS:
L4949E (Minidip)
L4949ED (SO8)
L4949EP (SO20W)
Minidip
SO8
SO20W (12+4+4)
1/10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L4710CV | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| L4785CV | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| L4710 | VERY LOW DROP VOLTAGE REGULATORS |
| L49-108 | Logic IC |
| L49-109 | Logic IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L45-50 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| L45-51 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| L45-52 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| L45-53 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| L45-54 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
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