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Partname:SC643ULTRT
Description:Light Management Unit with 4 LDOs and SemPulse??Interface
Manufacturer:Semtech Corp.
Datasheet:PDF (355K).
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The SC643 enters sleep mode when all the LED drivers are disabled. In this mode, the quiescent current is reduced while the device continues to monitor the SemPulse interface. Any combination of LDOs may be enabled when in sleep mode.

Click here to download SC643ULTRT Datasheet
Click here to download SC643ULTRT Datasheet
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