FSEM311, FSEM311Z — Green Mode Fairchild Power Switch (FPS™) January 2009 FSEM311, FSEM311Z Green Mode Fairchild Power Switch (FPS™) Features ƒ Internal Avalanche Rugged Sense FET ƒ Precision Fixed Operating Frequency ƒ Internal Start-up Circuit ƒ Pulse-by-Pulse Current Limiting ƒ Over Voltage Protection (OVP) ƒ Over Load Protection (OLP) ƒ Internal Thermal Shutdown Function (TSD) ƒ Auto-Restart Mode ƒ Under Voltage Lockout (UVLO) ƒ Low Operating Current (3mA) ƒ Adjustable Peak Current Limit ƒ Built-in Soft Start Applications ƒ SMPS for STB, DVD & DVCD Player ƒ SMPS for Auxiliary Power Description The FSEM311 family of integrated Pulse Width Modulator (PWM) and Sense FET are specifically...

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