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Using a power-distribution switch to drive LEDs

Posted: 20 Feb 2007     Print Version  Bookmark and Share

Keywords:power-distribution switch  LED driving application  current-limiting power-distribution switch 

High-powered LEDs are used in a growing number of applications, including automotive lighting, camera-phone flash, entertainment lighting, location lighting, landscape lighting, flashlights, bicycle lights and driving lights, just to name a few. This article discusses the various technical aspects of using a power-distribution switch for a LED driving application.

Currently, a current-limiting power-distribution switch represents one of a designer's best choices for driving an LED. This is because a power-distribution switch provides easy operation and greater control over distributing power to various loads in a system. The switch has simple function: to allow current to flow to the load, or to prevent current flow to the load, based on whether the switch is enabled or disabled.

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