LED Driver for Halogen Light Bulb Retrofit

Focus:

A design based on the LNK306DN LinkSwitch-TN chip implements a universal input, 10-V typ. 300-mA output power supply for driving a 3-W LED, halogen-replacement bulb. This nonisolated buck converter design is small enough to be housed within a standard GU10 lamp base.

What you’ll learn:

• How to build a universal-input, nonisolated power supply for driving a 3-W LED, halogen replacement bulb

Notes:

Design Idea DI-131. More details are provided in Reference Design Report RDR-131, which is availble online at http://www.powerint.com/sites/default/files/PDFFiles/rdr131.pdf.

View the Source

Author & Publication:

no author specified, Power Integrations, Vendor website, Jan 01 2008

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