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UC3816A Datasheet LOW COST POWER-SAVING MODE PWM CONTROLLER

Manufacturer: Unisonic Technologies

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General Description

The UTC UC3816A provides a CCM/valley switching mixed mode operation for better efficiency performance.

The operation mode stays at CCM at heavy load, and switch to valley switching at light load.

The UTC UC3816A is a high performance current mode PWM controller ideally suited for low standby power.

Overview

UNISONIC TECHNOLOGIES CO., LTD UC3816A CMOS IC LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK.

Key Features

  • S.
  • Proprietary frequency hopping for Improved EMI performance.
  • Cycle-by-cycle current limiting.
  • CCM/Valley Switching Operation.
  • Fixed switch frequency 60~70kHz.
  • Dynamic peak current limiting for constant output power.
  • Built-in synchronized slope compensation.
  • Gate output voltage clamped at 16V.
  • Adjustable DC output OVP.
  • OLP/VCC OVP/OTP/BNO/LNO (automatic recovery).
  • Internal Soft Start www. unisonic. com. tw Copyright © 2020 Unisonic Technologies Co.

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