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SSL3252 - Photo flash LED driver

General Description

The SSL3252 is a photo flash LED driver designed for battery operated mobile devices such as mobile phones and PDAs.

The boost converter delivers high performance and drives a single or dual high brightness LED at up to 500 mA with over 85 % efficiency.

Key Features

  • High power single or dual LED output driving up to 500 mA flash current.
  • Separate indicator LED output of 2.5 mA to 10 mA.
  • High side current source for main and indicator LEDs.
  • Output voltage of up to 8.85 V.
  • Wide input voltage ranging from 2.5 V to 5.5 V.
  • High efficiency of over 85 % at optimum output current.
  • Switching frequency of 2 MHz.
  • Flash mode, Assist light mode, Torch mode and Indicator mode are supported.
  • Internally timed flash operation up.

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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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SSL3252 Photo flash LED driver Rev. 1 — 7 July 2011 Product data sheet 1. General description The SSL3252 is a photo flash LED driver designed for battery operated mobile devices such as mobile phones and PDAs. The boost converter delivers high performance and drives a single or dual high brightness LED at up to 500 mA with over 85 % efficiency. The driver can be programmed to operate in Flash mode, Torch mode, Assist light mode, or Indicator mode. The small silicon size and the high internal switching frequency of 2 MHz minimize the size of the application and make the SSL3252 very suitable for mobile phones where space is limited, and only requiring three external components.