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LM3502 - Step-Up Converter

General Description

The LM3502 is a white LED driver for lighting applications.

For dual display or large single white LED string backlighting applications, the LM3502 provides a complete solution.

Key Features

  • 1.
  • 2 Drive up to 4, 6, 8 or 10 white LEDs for Dual Display Backlighting.
  • >80% efficiency.
  • Output Voltage Options: 16V , 25V , 35V, and 44V.
  • Input Under-Voltage Protection.
  • Internal Soft Start Eliminating Inrush Current.
  • 1 MHz Constant Switching Frequency.
  • Wide Input Voltage: 2.5V to 5.5V.
  • Small External Components.
  • Low Profile Packages:.

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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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LM3502 www.ti.com SNVS339A – SEPTEMBER 2005 – REVISED AUGUST 2006 LM3502 Step-Up Converter for White LED Applications Check for Samples: LM3502 FEATURES 1 •2 Drive up to 4, 6, 8 or 10 white LEDs for Dual Display Backlighting • >80% efficiency • Output Voltage Options: 16V , 25V , 35V, and 44V • Input Under-Voltage Protection • Internal Soft Start Eliminating Inrush Current • 1 MHz Constant Switching Frequency • Wide Input Voltage: 2.5V to 5.5V • Small External Components • Low Profile Packages: <1 mm Height – -10 Bump MicroSMD – -16 Pin LLP APPLICATIONS • Dual Display Backlighting in Portable Devices • Cellular Phones and PDAs DESCRIPTION The LM3502 is a white LED driver for lighting applications.