RapidChargeTM AC/DC Primary-Side Digital Quasi-Resonant Flyback Controller for Secondary-Side Regulation

● Supports Rapid Charge adapters applications of typical 25W and other power profiles ● Supports constant-voltage (CV) and constant-current (CC) regulation in fine steps using secondary-side regulation (SSR) control ● Proprietary constant-frequency switching with quasiresonant (QR) operation

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65W Digital Quasi-Resonant RapidCharge™ AC/DC Controller

Pairs with iW709 to Create a Complete Solution for Low Total BOM Cost USB PD 3.0 Chargers and Travel Adapters\n\nThe iW9809 digital AC/DC controller integrates Dialog’s patented quasi-resonant (QR) valley mode switching technology along with both CCM and DCM operation to enable ultra-small, light-we • Adaptive quasi-resonant (QR) control with CCM operation for improved low-line performance\nReduces power loss at low line voltages\nReduces overall transformer and passive component sizes\n• Adaptive, seamless multi-mode control (MMC) improves efficiency and eliminates audible noise\n• AC unplug d;

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