24 W Primary-side Regulated Flyback Power Supply using TOP245Y

Focus:

A design based on the TOPSwitch-GX chip implements a universal-input, 8-V 3-A output for driving high-power LEDs. This isolated flyback design achieves 80% efficiency typical and a low component count. The reference design bill-of-materials lists 25 components. Detailed winding instructions are included. Electrical, thermal, and EMI test results are presented.

What you’ll learn:

• How to build a universal-input, 8-V 3-A output, isolated power supply for driving high-power LEDs

Notes:

Design Example Report DER-100

View the Source

Author & Publication:

no author specified, Power Integrations, Vendor website, Dec 07 2005

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