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SC605 - Charge Pump Flash LED Driver

Datasheet Summary

Description

The SC605 is a high-current charge pump designed specifically for use with white LEDs used in camera flash applications.

Only two small bucket capacitors are required to develop the output drive, providing a low EMI solution compared to inductive boost regulators.

Features

  • Two selectable modes - Flash and Spotlight.
  • Up to 700mA output - Flash mode.
  • Up to 280mA output - Spotlight mode.
  • 500mA output over specified temperature and voltage ranges - Flash mode.
  • Spotlight mode selectable to 20%, 30% and 40% of Flash current.
  • 3.0V to 5.25V input range.
  • Flash control pin for synchronization to a camera module or graphics controller.
  • Short circuit, over-voltage and over-temperature protection.
  • Soft-start function.

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Datasheet preview – SC605

Datasheet Details

Part number SC605
Manufacturer Semtech
File Size 389.30 KB
Description Charge Pump Flash LED Driver
Datasheet download datasheet SC605 Datasheet
Additional preview pages of the SC605 datasheet.

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Full PDF Text Transcription

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POWER MANAGEMENT Description The SC605 is a high-current charge pump designed specifically for use with white LEDs used in camera flash applications. Only two small bucket capacitors are required to develop the output drive, providing a low EMI solution compared to inductive boost regulators. The SC605 has two modes of operation: Flash mode and Spotlight mode. In Flash mode, the SC605 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 SC605 can output 20%, 30%, or 40% of the Flash mode current and remain enabled continuously. An external resistor is connected in series with the LED to set the current. In Flash mode, this resistor can dissipate up to 0.
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