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5Q0740RT Datasheet Ka5q0740rt

Manufacturer: Fairchild (now onsemi)

Overview: KA5Q0740RT Fairchild Power Switch(FPS) .fairchildsemi.

General Description

The Fairchild Power Switch(FPS) product family is specially designed for an off-line SMPS with minimal external ponents.

The Fairchild Power Switch(FPS) consists of a high voltage power SenseFET and a current mode PWM IC.

The integrated PWM controller includes the fixed oscillator, the under voltage lock out, the leading edge blanking, the optimized gate turn-on/turn-off driver, the thermal shut down protection, the over voltage protection, and the temperature pensated precision current sources for loop pensation and fault protection circuitry.

Key Features

  • Quasi Resonant Converter Controller.
  • Internal Burst Mode Controller for Stand-by Mode.
  • Pulse by Pulse Current Limiting.
  • Over Current Latch Protection.
  • Over Voltage Protection ( Vsync: Min. 11V ).
  • Internal Thermal Shutdown Function.
  • Under Voltage Lockout.
  • Internal High Voltage Sense FET.
  • Auto-Restart Mode.

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