New LED Applications are Unfamiliar Territory, Tools Help Designers with Inductor Selection

Focus:

At its online LED Design Center, magnetic supplier Coilcraft offers tools to help users select inductors for dc-dc LED driver designs. Users can start by selecting a driver IC from a particular IC vendor and then locate suitable inductors for the selected IC. The list of inductors can go beyond what the IC vendor specifies in its reference design including information on newer inductors. Alternately, users can start by selecting an LED model and a specific LED driver topology as the basis for selecting an inductor. This article describes how to use these tools.

What you’ll learn:

• How to select inductors for LED driver designs using Coilcraft's component selection tools

Notes:

This article from the May 2009 issue is found in the Power Systems Design archive. To access the archive, you must log in as a member of the PSD Community at www.powersystemsdesign.com/signup. Also, see application note "Selecting Inductors to Drive LEDs" available at www.coilcraft.com/pdfs/doc732_inductors_for_leds.pdf.Also, see application note "Selecting Inductors to Drive LEDs" available at www.coilcraft.com/pdfs/doc732_inductors_for_leds.pdf

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Author & Publication:

Len Crane, Director - Technical Marketing, Coilcraft, Cary, IL, USA, Power Systems Design Europe, May 01 2009

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