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SY22857FAC

Production
Flyback Regulator with Primary Side CV/CC Control for Adapters and Chargers

Datasheet
SY22857FAC Flyback Regulator with Primary Side CV/CC Control for Adapters and Chargers Datasheet
    Part NumberSY22857FAC
    DescriptionFlyback Regulator with Primary Side CV/CC Control for Adapters and Chargers
    Vin_min (V)36
    Vin_max (V)72
    Po_max (W)12
    Integrated FETs200V
    BV (V)
    ApplicationIsolation
    No Load Loss<75mW
    PackageSO8
    • Tight PSR CC/CV Regulation Over Entire Operating Range
    • QR-mode Operation for High Efficiency
    • PWM/PFM Control for High Average Efficiency
    • Programmable Soft Start
    • Low Start Up Current: 5μA Max 
    • Minimum Frequency Limitation 2kHz
    • Reliable Protections for OVP, SCP, OTP,OCP
    • Reliable Protections for Safety Requirement
    • Maximum switching frequency limitation125kHz
    • Integrated 200V/0.33Ω MOSFET
    • Compact Package: SO8

     

    Evaluation Board

    • 22857-9

      Photo of evaluation board

    • 22857-8

      Photo of evaluation board

    EVB_SY22857FAC

    The EVB_SY22857FAC is used to evaluate a single stage Flyback regulator targeting at Telecom adapters or chargers applications. 

    Technical Documentation