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Reference Design Board, ICL8820, HPF Flyback Converter


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Manufacturer Part No:
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Also Known As:
SP005569141, REF_ICL8820_LED_43W_JT

Product Overview

REF_ICL8820_LED_43W_JT is a 43W reference design featuring Infineon's flyback controller ICL8820. The board is a constant voltage secondary-side regulated system and is intended to be used with a CC converter for LED lighting applications. Two-stage topologies are growing because of the convenient scalability of power on the primary side as well as of the features on the secondary side. REF_ICL8820_LED_43W_JT is designed as plug- and-play solution. As a default setup, the reference design board is assembled with a start-up circuit based on a depletion-mode MOSFET BSS126I on a very small adapter board. This setup offers the lowest standby losses. If low standby consumption is not necessary as an option, the start-up circuit can be changed to a resistive start-up. This reference design is provided with two regulation circuits. Both circuits are designed as plug and play solutions, but at least one has to be connected to the main board.
  • ICL8820 provides integrated burst mode for very low stand-by power <100mW & built-in jitter function
  • Power factor (PF) > 0.9 and THD < 10% across a wide load range (AC input up to 277Vrms)
  • Maximum AC input voltage 90 - 305Vrms
  • Critical conduction mode and quasi-resonant mode with smart valley hopping


Start-up board, Op-amp board.

Product Information

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HPF Flyback Converter




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Technical Documents (1)

CAD Downloads


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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Also Known As

SP005569141, REF_ICL8820_LED_43W_JT

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