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FSL4110LR - 1000V SenseFET Integrated Power Switch

General Description

The FSL4110LR is an integrated pulse width modulation (PWM) controller and 1000 V avalanche rugged SenseFET specifically designed for high input voltage offline Switching Mode Power Supplies (SMPS) with minimal external components.

Key Features

  • Built-in Avalanche Rugged 1000 V SenseFET.
  • Precise Fixed Operating Frequency: 50 kHz.
  • VCC can be supplied from either bias-winding or self- biasing.
  • Soft Burst-Mode Operation Minimizing Audible Noise.
  • Random Frequency Fluctuation for Low EMI.
  • Pulse-by-Pulse Current Limit.
  • Various Protection Functions: Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis. Under-Voltag.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FSL4110LR — 1000 V SenseFET Integrated Power Switch December 2015 FSL4110LR 1000 V SenseFET Integrated Power Switch Features  Built-in Avalanche Rugged 1000 V SenseFET  Precise Fixed Operating Frequency: 50 kHz  VCC can be supplied from either bias-winding or self- biasing.  Soft Burst-Mode Operation Minimizing Audible Noise  Random Frequency Fluctuation for Low EMI  Pulse-by-Pulse Current Limit  Various Protection Functions: Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis. Under-Voltage Lockout (UVLO) and Line Over-Voltage Protection (LOVP) with Hysteresis.  Built-in Internal Startup and Soft-Start Circuit  Fixed 1.