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廬

L4923

5V鈥?A VERY LOW DROP REGULATOR

WITH RESET AND INHIBIT

.

.

.

.

.

.

.

.

.

VERY LOW DROP (max. 0.9V at 1A) OVER

FULL OPERATING TEMPERATURE RANGE

(鈥?40 / + 125

擄C)

LOW QUIESCENT CURRENT (max 70 mA at

1 A) OVER FULL T RANGE

PRECISEOUTPUT VOLTAGE(5V

鹵

4%) OVER

FULL T RANGE

POWER ON-OFF INFORMATION WITH SET-

TABLE DELAY

INHIBIT FOR REMOTE ON-OFF COMMAND

(active high)

LOAD STANDBY CURRENT

LOAD DUMP AND REVERSE BATTERY PRO-

TECTION

SHORT CIRCUIT PROTECTION

THERMAL SHUTDOWN

Heptawatt

ORDERING NUMBER :

L4923

The device is internally protected against load

dumps transient of + 60 V, input overvoltage, re-

verse polarity, overheating and output short circuit :

thanks to these featuresthe L4923is very suited for

the automotive and industrial applications.

The reset function is very useful for power off and

power on information when supplying a microproc-

essor.

The inhibit function reduces drastically the con-

sumptionwhen no load current is required: typically

the standby current value is 300

碌A.

DESCRIPTION

The L4923is a high currentmonolithic voltage regu-

lator with very low voltage drop (0.70 V max at 1 A,

T

J

= 25

擄C).

BLOCK DIAGRAM

June 2000

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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