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APR348 Datasheet Secondary Side Synchronous Rectification Controller

Manufacturer: Diodes Incorporated

Overview: NEW PRODUCT APR348 SECONDARY SIDE SYNCHRONOUS RECTIFICATION CONTROLLER.

General Description

The APR348 is a secondary-side MOSFET driver for synchronous rectification, which can effectively reduce the secondary-side rectifier power dissipation and provide a high-performance solution.

Pin Assignments (Top View) The APR348 can support continuous or discontinuous conduction mode (CCM and DCM) and quasi-resonant flyback operation based on a MOSFET operating on-time control technology.

This technology provides minimized turn-on and turn-off delay to reduce power loss and keep safe operation without adding any external components or circuitry.

Key Features

  • Synchronous Rectification Controller.
  • Suited for High-Side and Low-Side Flyback Converters in CCM/DCM/QR Operation.
  • Minimized Turn-On and Turn-Off Delay.
  • Internal UVLO Protection.
  • Light Load Mode Control.
  • Eliminate False Turn-On with Resonant Ring.
  • Fewest External Components.
  • Moisture Sensitivity: MSL Level 1 per J-STD-020.
  • Terminals: Finish.
  • Matte Tin Plated Leads, Solderable per M2003 JESD22-B102, Method 208.
  • Weight: 0.016/0.017 grams.

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