OB2520 controller equivalent, high precision cc/cv primary-side controller.
including Cycle-by-Cycle current limiting, VDD ov.
It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. Proprieta.
OB2520 is a high performance offline PSR controller for low power AC/DC charger and adapter applications. It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. Proprietary Constant Voltage (CV) .
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