Low Component Count, Isolated 350 mA, 4.2 W LED Driver

by no author specified, Power Integrations, Vendor website, May 01 2008

Focus:
A design based on the LNK605DG LinkSwitch-II chip implements a universal-input, 12-V 350-mA output CV/CC power supply for driving LEDs. This isolated flyback design achieves a low component count. The reference design bill-of-materials lists 32 components. This design meets all existing and proposed energy efficiency standards including including EPA, CEC, European Commission, and China (CECP).

What you’ll learn:

• How to build a universal-input, 12-V 350-mA output, isolated CV/CC power supply for driving high-power LEDs

Notes:
Design Idea DI-185. For more details, see Design Example Report DER-185 available online at http://www.powerint.com/sites/default/files/PDFFiles/der185.pdf .

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