Chapter 288

μModule LED driver integrates all circuitry, including the inductor, in a surface mount package

David Ng

Abstract

The LTM8040 μModule LED driver, which integrates all the driver circuitry into a single package and can drive up to 1A through a string of LEDs, is described.

Keywords

Step-down DC/DC switching converter

LTM8040 μModule LED driver

Introduction

Once relegated to the hinterlands of low cost indicator lights, the LED is again in the spotlight of the lighting world. LED lighting is now ubiquitous, from car headlights to USB-powered lava lamps. Car headlights exemplify applications that capitalize on the LED’s clear advantages—unwavering high quality light output, tough-as-steel robustness, inherent high efficiency—while ...

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