L9907 datasheet(1/8 Pages) STMICROELECTRONICS

Part #	L9907

Description	MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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L9907N

MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT

FULL BRIDGE OUTPUT CONFIGURATION

WITH LOW SATURATION VOLTAGE LESS

THAN 3.2V AT OUTPUT CURRENT 0.7A

OPERATING SUPPLY VOLTAGE RANGE 7V

TO 18V. SUPPLY OVERVOLTAGEUP TO 50V

HIGH POSITIONING PRECISION AND HIGH

NOISE

IMMUNITY

DUE TO

TRANSFER

CHARACTERISTICS WITH NEUTRAL ZONE

AND STOP RANGE THRESHOLD

FAST STOP THROUGH SHORT-CIRCUITING

THE MOTOR

MOTOR STOP STATUS IN CASE OF OPEN

INPUT CONDITION

SUPPLY

OVERVOLTAGE

PROTECTION

FUNCTION FOR Vs MORE THAN 18V, UP

TO 50V

INPUT

PROTECTION

AGAINST

TRAN-

SIENTS ON THE BATTERY LINE AND THE

REVERSE BATTERY CONDITION

THERMAL OVERLOAD PROTECTION

ESD PROTECTED ACCORDING TO MIL883C

DESCRIPTION

The L9907N is a monolithic integrated power

comparator with full bridge output configuration,

intended for driving DC motors in positioning sys-

tems, optimized for headlight adjustment applica-

tion and respecting the automotive electronics en-

vironmental conditions.

December 1996

-

1.2V

VINC

RPR

PR

L9907N

IINC

INC

VINF

IINF

INF

VS

GND

OUT C

OUT F

M

IM

D95AT189

=

REFERENCE

BIAS

PROTECTION

FUNCTIONS

=

+

=

-

+

=

1.2V

=

VS

BLOCK DIAGRAM

ORDERING NUMBER: L9907ND (SO20L)

SO20L(12+4+4)

1/8

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