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FSHD321 - Green Mode Fairchild Power Switch

Description

The FSDx321(x stands for H, L) are integrated Pulse Width Modulators (PWM) and Sense FETs specifically designed for high performance offline Switch Mode Power Supplies (SMPS) with minimal external components.

Features

  • Internal Avalanche Rugged Sense FET.
  • Consumes only 0.65W at 240VAC & 0.3W load with Advanced Burst-Mode Operation.
  • Frequency Modulation for low EMI.
  • Precision Fixed Operating Frequency.
  • Internal Start-up Circuit.
  • Pulse by Pulse Current Limiting www. DataSheet4U. com.
  • Abnormal Over Current Protection.
  • Over Voltage Protection.
  • Over Load Protection.
  • Internal Thermal Shutdown Function.
  • Auto-Restart Mode.

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Full PDF Text Transcription

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www.fairchildsemi.com FSDH321, FSDL321 Features • Internal Avalanche Rugged Sense FET • Consumes only 0.65W at 240VAC & 0.3W load with Advanced Burst-Mode Operation • Frequency Modulation for low EMI • Precision Fixed Operating Frequency • Internal Start-up Circuit • Pulse by Pulse Current Limiting www.DataSheet4U.
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