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SC615A

Part Number	SC615A
Manufacturer	Semtech Corporation
Description	Charge Pump Flash LED Driver
Published	Jan 20, 2006
Detailed Description	m o c POWER MANAGEMENT . U 4 Description t e The SC615A is a high-current charge pump designed spee h cifically for use ...
Datasheet	SC615A PDF File

Overview

m o c POWER MANAGEMENT .
U 4 Description t e The SC615A is a high-current charge pump designed spee h cifically for use with white LEDs used in camera flash S applications.
Only two small bucket capacitors are rea t quired to develop the output drive, providing a low EMI a to inductive boost regulators.
solution compared D .
w The SC615A has two modes of operation: Flash mode w and w Spotlight mode.
In Flash mode, the SC615A is capable of delivering 500mA of regulated current for a duration of 500ms or up to 700mA for a reduced duration.
In Spotlight mode the SC615A outputs 40% of the Flash mode current and can remain enabled continuously.
An external resistor is connected in series with the...

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