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FSBH0170 - Green Mode Fairchild Power Switch

General Description

The highly integrated FSBH-series consists of an integrated current-mode Pulse Width Modulator (PWM) and an avalanche-rugged 700V SenseFET.

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

Key Features

  • Brownout Protection with Hysteresis.
  • Built-In 5ms Soft-Start Function.
  • Internal Avalanche-Rugged 700V SenseFET.
  • No Acoustic Noise During Light-Load Operation.
  • High-Voltage Startup.
  • Linearly Decreasing PWM Frequency to 18KHz.
  • Peak-Current-Mode Control.
  • Cycle-by-Cycle Current Limiting.
  • Leading-Edge Blanking (LEB).
  • Synchronized Slope Compensation.
  • Internal Open-Loop Protection.
  • VDD Under-Voltage Lockout (UVLO).
  • VDD Over-Voltage Prote.

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Full PDF Text Transcription for FSBH0170 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for FSBH0170. For precise diagrams, and layout, please refer to the original PDF.

FSBH0F70A, FSBH0170/A, FSBH0270/A, FSBH0370 — Green Mode Fairchild Power Switch (FPS™) FSBH0F70A, FSBH0170/A, FSBH0270/A, FSBH0370 Green Mode Fairchild Power Switch (FPS™...

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BH0170/A, FSBH0270/A, FSBH0370 Green Mode Fairchild Power Switch (FPS™) Features ƒ Brownout Protection with Hysteresis ƒ Built-In 5ms Soft-Start Function ƒ Internal Avalanche-Rugged 700V SenseFET ƒ No Acoustic Noise During Light-Load Operation ƒ High-Voltage Startup ƒ Linearly Decreasing PWM Frequency to 18KHz ƒ Peak-Current-Mode Control ƒ Cycle-by-Cycle Current Limiting ƒ Leading-Edge Blanking (LEB) ƒ Synchronized Slope Compensation ƒ Internal Open-Loop Protection ƒ VDD Under-Voltage Lockout (UVLO) ƒ VDD Over-Voltage Protection (OVP) ƒ Internal Auto-Restart Circuit (OVP, OTP) ƒ Constant Power Limit (Full AC Input Range) ƒ