HC7703A SYNCHRONOUS IC
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HC7703A SYNCHRONOUS IC

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Model Number: HC7703A

Brand: HCW

Package Type: SOP-8

Function: Supports DCM and QR Flyback converter, Integrated 40V 20mR Power NMOS

Drain-to-Source Breakdown Voltage: -: 40V

Output Voltage: Adjustable as per circuit design.

Output Current: Adjustable as per circuit design.

Protections:- Green-mode operation at Light load & no-load
➢Up to 100KHZ Switch Frequency

Operating Temperature Range: – 40°~105°

Application:-Travel Charger & Adaptor
➢Flyback Converter

(Excluding Tax)

HC7703A is an advanced flyback controller IC from HCW, designed to support both DCM (Discontinuous Conduction Mode) and QR (Quasi-Resonant) flyback converter topologies. It integrates a 40 V / 20 mΩ Power NMOS, ensuring high efficiency and compact design for power conversion solutions.

The IC features green-mode operation at light load and no-load conditions, enabling superior energy savings. It supports up to 100 kHz switching frequency, making it suitable for high-performance adapters and travel chargers.

Its compact SOP-8 package is optimized for use in flyback converters and high-efficiency charging applications.

DDS International – Edzeal is the Authorised Distributor of HCW in India.

Features:

  • Supports DCM & QR flyback converter topologies
  • Integrated 40 V / 20 mΩ Power NMOS
  • Drain-to-Source Breakdown Voltage: 40 V
  • Green-mode operation at light load & no-load
  • Supports up to 100 kHz switching frequency
  • Adjustable output voltage & current
  • Operating Temp: -40°C ~ 105°C
  • Package: SOP-8
  • Applications: Travel Charger & Adapter, Flyback Converter
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