L9997 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

L9997

DUAL HALF BRIDGE DRIVER

STMicroelectronics 

®

L9997ND

DUAL HALF BRIDGE DRIVER

HALF BRIDGE OUTPUTS WITH TYPICAL

RON = 0.7Ω

OUTPUT CURRENT CAPABILITY ±1.2A

OPERATING SUPPLY VOLTAGE RANGE 7V

TO 16.5V

SUPPLY OVERVOLTAGE PROTECTION

FUNCTION FOR VVS UP TO 40V

VERY LOW QUIESCENT CURRENT IN

STANDBY MODE < 1µA

CMOS COMPATIBLE INPUTS WITH HYS-

TERESIS

OUTPUT SHORT-CIRCUIT PROTECTION

THERMAL SHUTDOWN

REAL TIME DIAGNOSTIC: THERMAL OVER-

LOAD, OVERVOLTAGE

MULTIPOWER BCD TECHNOLOGY

SO20 (12+4+4)

ORDERING NUMBERS: L9997ND

L9997ND013TR

DESCRIPTION

The L9997ND is a monolithic integrated driver, in

BCD technology intended to drive various loads,

including DC motors. The circuit is optimized for

automotive electronics enviromental conditions.

BLOCK DIAGRAM

VS

1

EN

10

VS

ENABLE

REFERENCE PROTECTION

BIAS

FUNC TIONS

VS

DIAG

11

5V

IN1

12

DRIVER 1

OUT1

19

IN2

9

April 1999

DRIVER 2

M

VS

OUT2

2

GND

4...7, 14...17

1/9

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