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Q0270RA - Q0170RA

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General Description

The FSQ0170RNA, and FSQ0270RNA, consists of an integrated current mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V Sense FET.

It is specifically designed for high-performance off-line Switch Mode Power Supplies (SMPS) with minimal external components.

The integrated PWM controller

Overview

FSQ0170RNA, FSQ0270RNA — Green Mode Fairchild Power Switch (FPS™) FSQ0170RNA, FSQ0270RNA Green Mode Fairchild Power Switch (FPS™) October.

Key Features

  • Internal Avalanche Rugged 700V SenseFET.
  • Consumes only 0.8W at 230 VAC & 0.5W Load with Burst-Mode Operation.
  • Precision Fixed Operating Frequency, 100kHz.
  • Internal Start-up Circuit and Built-in Soft-Start.
  • Pulse-by-Pulse Current Limiting and Auto-Restart Mode.
  • Over-Voltage Protection (OVP), Overload Protection (OLP), Internal Thermal Shutdown Function (TSD).
  • Under-Voltage Lockout (UVLO).
  • Low Operating Current (3mA).
  • Adjustable Peak Current Limit Appl.

More Datasheets from Fairchild (now onsemi)

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