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FSL127H - Green Mode Fairchild Power Switch

General Description

The highly integrated FSL127H consists of a current mode Pulse Width Modulator (PWM) and an avalancherugged 700V SenseFET.

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

Key Features

  • Built-in 5ms Soft-Start Function Internal Avalanche-Rugged 700V SenseFET Low Audio Noise High-Voltage Startup Fixed PWM Frequency at 100KHz 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 (OLP) VDD Under-Voltage Lockout (UVLO) VDD Over-Voltage Protection (OVP) Consta.

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FSL126HR Green Mode Fairchild Power Switch
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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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FSL127H — Green Mode Fairchild Power Switch (FPS™) September 2010 FSL127H Green Mode Fairchild Power Switch (FPS™) Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ Built-in 5ms Soft-Start Function Internal Avalanche-Rugged 700V SenseFET Low Audio Noise High-Voltage Startup Fixed PWM Frequency at 100KHz 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 (OLP) VDD Under-Voltage Lockout (UVLO) VDD Over-Voltage Protection (OVP) Constant Power Limit (Full AC Input Range) Internal OTP Sensor with Hysteresis Description The highly integrated FSL127H consists of a current mode Pulse Width Modulator (PWM) and an avalancherugged 700V SenseFET.