The FSDM311A is Green Mode Fairchild Power Switch made by Fairchild Semiconductor.
FSDM311A pinout

Brief overview of the content in a FSDM311A PDF file


FSDM311A Green Mode Fairchild Power Switch FPSTM November 2007 FSDM311A Green Mode Fairchild Power Switch FPS Features Internal Avalanche Rugged SenseFET Precision Fixed Operating Frequency 67KHz Consumes Under 0 2W at 265VAC No Load with Advanced Burst Mode Operation Internal Start up Circuit Pulse by Pulse Current Limiting Over Voltage Protection OVP Overload Protection OLP Internal Thermal Shutdown Function TSD Auto Restart Mode Under Voltage Lockout UVLO with Hysteresis Built in Soft Start Secondary Side Regulation Description The FSDM311A consists of an integrated Pulse Width Modulator PWM and SenseFET and is specifically designed for high performance off line Switch Mode Power Supplies SMPS with minimal external components This device is an integrated high voltage power switching regulator that combines a VDMOS SenseFET with a voltage mode PWM control block The integrated PWM controller features include a fixed oscillator Under Voltage Lockout UVLO protection Leading Edge Blanking LEB an optimized gate turnon turn off driver Thermal Shutdown TSD protection and temperature compensated precision current sources for loop compensation and fault protection circuitry When compare




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Switching regulators are typically more efficient than linear regulators, as they can handle larger voltage changes with less power loss. They are also more compact and lighter, making them ideal for use in portable electronic devices. Additionally, switching regulators are capable of regulating a wider range of voltage levels and can handle higher current loads.

Manufacturers: Fairchild Semiconductor

FAIRCHILD - FSDM311A Datasheet PDF

FAIRCHILD FSDM311A DATA

Green Mode Fairchild Power Switch


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