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BP8521C is a highly integrated non-isolated buck constant voltage driver chip without VCC capacitor applied for 85Vac~265Vac universal voltage input nonisolated power supply.
Advantage

    No VCC capacitor

    Low standby power consumption <50mW

    Fixed 3.3V output voltage

    Internal integrated 550V power MOSFET

    HV start-up and power supply circuit

    Reduced audible noise at light load

    Frequency jittering technology to improve EMl

    Internal soft start

    Comprehensive protections

Application area
  • Auxiliary power supply
Schematic diagram
Package
Technical documents
Document type Title Type Download
Specification sheet BP8521C pdf Full version