This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

L4937NPD

June 2000

DUAL 5V MULTIFUNCTION VOLTAGE REGULATOR

®

.

STANDBYOUTPUT VOLTAGEPRECISION 5V

± 2%

.

OUTPUT 2 TRACKED TO THE STANDBY OUT-

PUT

.

OUTPUT

2

DISABLE

FUNCTION

FOR

STANDBY MODE

.

VERY LOW QUIESCENT CURRENT, LESS

THAN 260

µA, IN STANDBY MODE

.

.

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

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.

N.C.

N.C.

GND

CT

EN

N.C.

GND

10

8

9

7

6

5

4

3

2

13

14

15

16

17

19

18

20

12

1

11

GND

D95AT162A

N.C.

RESET

GND

N.C.

V

O2

N.C.

GND

1/9