L4937NPD 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

L4937NPD

DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR

STMicroelectronics 

®

L4937NPD

DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR

. STANDBY OUTPUT VOLTAGE PRECISION 5V

± 2%

. OUTPUT 2 TRACKED TO THE STANDBY OUT-

PUT

. OUTPUT 2 DISABLE FUNCTION FOR

STANDBY MODE

. VERY LOW QUIESCENT CURRENT, LESS

THAN 260µA, IN STANDBY MODE

. OUTPUT CURRENTS : I01 = 50mA, I02 = 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 SHORT CIRCUIT

PROTECTIONS

PowerSO20

ORDERING NUMBER: L4937NPD

DESCRIPTION

The L4937NPD is a monolithic integrated dual volt-

age regulators with two very low dropout outputs

and additional functions such as power-on reset and

input voltage sense. They are designed for supply-

ing microcomputer controlled systems specially in

automotive applications.

PIN CONNECTION (top view)

GND

N.C.

VS

VS

GND

N.C.

CT

EN

N.C.

GND

1

20

2

19

3

18

4

17

5

16

6

15

7

14

8

13

9

12

10

11

D95AT162A

GND

N.C.

VO2

N.C.

VO1

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.

Share Link: