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AP3983R Datasheet PRIMARY SIDE REGULATED SWITCHING MODE POWER SUPPLY CONTROLLER

Manufacturer: Diodes Incorporated

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General Description

Pin Assignments The AP3983R is a power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and improved protection functions.

Typical applications include chargers and adapters.

The AP3983R with built-in MOSFET, regulates the output voltage and current in the primary side by piecewise Pulse Frequency Modulation (p-PFM) in discontinuous conduction mode (DCM).

Overview

A D V A N CNEEDW IPNRF ODRUMCATT I O N AP3983R PRIMARY SIDE REGULATED SWITCHING MODE POWER SUPPLY.

Key Features

  • Built-in N Channel MOSFET with 700 BVDSS.
  • Less than 75mW Standby Power Consumption.
  • Meet Efficiency Requirement of COC Trier 2.
  • Valley Turn-on to Reduce Switching Loss and Improve EMI.
  • Piecewise Frequency Reduction to Enhance Conversion Efficiency and Suppress Audio Noise.
  • Overvoltage Protection (OVP).
  • Over-Temperature Protection (OTP).
  • Short Circuit Protection (SCP) with Hiccup Operating Frequency Jitter Function for Conductive EMI Suppression.
  • Tota.

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