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L4937NPD Datasheet

  • L4937NPD

  • DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR

  • 9頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L4937NPD
DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR
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STANDBYOUTPUT VOLTAGEPRECISION 5V
鹵
2%
OUTPUT 2 TRACKED TO THE STANDBY OUT-
PUT
OUTPUT 2 DISABLE FUNCTION FOR
STANDBY MODE
VERY LOW QUIESCENT CURRENT, LESS
THAN 260碌A(chǔ), IN STANDBY MODE
OUTPUT CURRENTS : I
01
= 50mA, I
02
= 500mA
VERY LOW DROPOUT (max 0.4V/0.6V)
OPERATING TRANSIENT SUPPLY VOLTAGE
UP TO 40V
POWER-ON RESET CIRCUIT SENSING THE
STANDBY OUTPUT VOLTAGE
POWER-ON RESET DELAY PULSE DEFINED
BY THE EXTERNAL CAPACITOR
THERMAL SHUTDOWN AND SHORTCIRCUIT
PROTECTIONS
PowerSO20
ORDERING NUMBER:
L4937NPD
DESCRIPTION
The L4937NPD is a monolithic integrated dual volt-
age regulators with two very low dropout outputs
andadditionalfunctionssuchas power-onresetand
input voltage sense. They are designed for supply-
ing microcomputer controlled systems specially in
automotive applications.
PIN CONNECTION
(top view)
GND
N.C.
V
S
V
S
GND
N.C.
CT
EN
N.C.
GND
1
2
3
4
5
6
7
8
9
10
D95AT162A
20
19
18
17
16
15
14
13
12
11
GND
N.C.
V
O2
N.C.
V
O1
GND
RESET
N.C.
N.C.
GND
June 2000
1/9
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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