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iW1677-03 - Renesas Electronics

Description: The iW1677 is a high-performance AC/DC controller designed to drive a low-cost bipolar junction transistor (BJT) power switch in peak current mode PWM flyback power supplies up to 5W. Ideal for power adapters for smartphones, the iW1677 integrates Renesas' PrimAccurate™ digital primary-side control, eliminating the need for the secondary-side optocoupler, and reducing component count and solution cost.The iW1677 integrates an active start-up circuit that allows for fast turn-on without impacting operating c

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iW1677-03 - Renesas Electronics

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