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LM3502 - Step-Up Converter

Datasheet Summary

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.

Features

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

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LM3502 Step-Up Converter for White LED Applications August 2006 LM3502 Step-Up Converter for White LED Applications 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. The LM3502 contains two internal white LED current bypass FET(Field Effect Transitor) switches that are ideal for controlling dual display applications. The white LED current can be adjusted with a PWM signal directly from a microcontroller without the need of an RC filter network.
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