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SC615A - Charge Pump Flash LED Driver

General 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 .

Key Features

  • ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Two Selectable Modes - Flash and Spotlight Up to 700mA Output - Flash Mode Up to 280mA Output - Spotlight Mode 500mA Over Temperature Range and Voltage Range - Flash Mode Spotlight mode set to 40% of Flash Current 3.0V to 5.25V Input Range External Flash Control Pin for Synchronization to a Camera Module or Graphics Controller Short Circuit, Over-Voltage, and Over-Temperature Protection Soft-Start Functionality Two Control Inputs for Maximum Versatility Shutdown Current < 2µA Mic.

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Datasheet Details

Part number SC615A
Manufacturer SEMTECH
File Size 236.83 KB
Description Charge Pump Flash LED Driver
Datasheet download datasheet SC615A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 LED to set the current.