L4936N/NH

June 2000

DUAL 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 250

µA, IN STANDBY MODE

.

OUTPUT 2 VOLTAGE SETTABLE FROM 5 TO

20V

.

.

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

.

EARLY WARNING OUTPUT FOR SUPPLY UN-

DERVOLTAGE

.

THERMAL SHUTDOWN AND SHORT CIRCUIT

PROTECTIONS

Multiwatt 15

ORDERING NUMBERS: L4936N (Multiwatt 11)

L4936NH (Multiwatt 15)

DESCRIPTION

TheL4936N/NHare monolithic integrated dual volt-

age regulators with two very low dropout outputs

and additionalfunctionssuchas power-on resetand

input voltage sense. They are designed for supply-

ing microcomputer controlled systems specially in

automotive applications.

PIN CONNECTION (top view)

Multiwatt 11

1

2

3

4

5

6

7

9

10

11

8

OUT2

ADJ

OUT1

SO

RES

GND

EN

CT

N.C.

SI

VS1/VS2

TAB CONNECTED TO PIN 6

D94AT154

1

2

3

4

5

6

7

9

10

11

8

N.C.

N.C.

RES

GND

EN

N.C.

CT

N.C.

SI

VS1

VS2

TAB CONNECTED TO PIN 6

13

14

15

12

OUT2

ADJ

OUT1

SO

D95AT155

1/11