SC1766 데이터 시트보기 (PDF) - Semtech Corporation

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SC1766

BATTERY CHARGE CONTROLLER

Semtech Corporation 

BATTERY

CHARGE CONTROLLER

Janaury 30, 1998

TYPICAL APPLICATIONS

Step-Down High-Side Current Sense Battery Charger

SC1766

NOTE:

RSENSE = 0.1 ohm, CHARGE CURRENT = 0.5A ±10%, VIN > VBAT +3.5V

RSENSE = 0.05 ohm, CHARGE CURRENT = 1.0A ±10%, VIN > VBAT +4.0V

RSENSE = 0.033 ohm, CHARGE CURRENT = 1.5A ±10%, VIN > VBAT +4.5V

EFFICIENCY > 90%, MEASURED AT CS- NODE

Step-Down Rechargeable Battery Charger

NOTE: +VIN should be higher than 10V. Z1 is required when +VIN exceeds 18V. Fast charge current is ap-

proximately 1A, adjustable through R7. Trickle charge current is adjustable through R12.

© 1997 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

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