FSBH0270

FSBH0F70A, FSBH0170/A, FSBH0270/A, FSBH0370 — Green Mode Fairchild Power Switch (FPS™) April 2010 FSBH0F70A, FSBH0170/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 Internal OTP Sensor with Hysteresis ƒ VIN Pin for Pull-HIGH Latch Function and Pull- LOW Auto-Recovery Protection Applications General-purpose switch-mode power supplies and flyback power converters, including: ƒ Auxiliary Power Supply for PC and Server ƒ SMPS for VCR, SVR, STB, DVD & DVCD Player, Printer, Facsimile, and Scanner ƒ Adapter for Camcorder 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. The integrated PWM controller features include a proprietary green-mode function that provides off-time modulation to line...