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FSQ100 - Green Mode Fairchild Power Switch

Description

The FSQ100 consists of an integrated Pulse Width Modulator (PWM) and SenseFET, specifically designed for high-performance, off-line, Switch-Mode Power Supplies (SMPS) with minimal external components.

Features

  • Internal Avalanche-Rugged SenseFET.
  • Precision Fixed Operating Frequency: 67KHz.
  • Burst-Mode Operation.
  • Internal Startup Circuit.
  • Pulse-by-Pulse Current Limiting.
  • Over-Voltage Protection (OVP).
  • Overload Protection (OLP).
  • Internal Thermal Shutdown Function (TSD).
  • Auto-Restart Mode.
  • Under-Voltage Lockout (UVLO) with Hysteresis.
  • Built-in Soft-Start.
  • Secondary-Side Regulation.

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Full PDF Text Transcription

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FSQ100 — Green Mode Fairchild Power Switch (FPSTM) March 2011 FSQ100 Green Mode Fairchild Power Switch (FPS™) Features  Internal Avalanche-Rugged SenseFET  Precision Fixed Operating Frequency: 67KHz  Burst-Mode Operation  Internal Startup Circuit  Pulse-by-Pulse Current Limiting  Over-Voltage Protection (OVP)  Overload Protection (OLP)  Internal Thermal Shutdown Function (TSD)  Auto-Restart Mode  Under-Voltage Lockout (UVLO) with Hysteresis  Built-in Soft-Start  Secondary-Side Regulation Applications  Charger & Adapter for Mobile Phone, PDA, MP3  Auxiliary Power for White Goods, PC, C-TV, Monitor Related Application Notes  AN-4137 — Design Guidelines for Off-line Flyback Converters using FPS™  AN-4141 — Troubleshooting and Design Tips for Fairchild Power Switch (FPS™) Fl
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