FS8S0765RCBYDTU

FS8S0765RCB Fairchild Power Switch (FPS™) April 2006 FS8S0765RCB Fairchild Power Switch (FPS™) Features Burst Mode Operation to Reduce the Power Consumption in the Standby Mode External pin for Synchronization and Soft Start Wide Operating Frequency Range up to 150kHz Low Start-up Current (Max:80μA) Low Operating Current (Max:15mA) Pulse by Pulse Current Limiting Over-Voltage Protection (Auto Restart Mode) Overload Protection (Auto Restart Mode) Abnormal Over-Current Protection (Auto Restart Mode) Internal Thermal Shutdown (Auto Restart Mode) Under-Voltage Lockout Internal High-Voltage SenseFET Description FS8S0765RCB is a Fairchild Power Switch (FPS) that is specially designed for off-line SMPS of CRT monitors with minimal external components. This device is a current mode pulse-width modulated (PWM) controller combined with a high-voltage power SenseFET in a single package. The PWM controller features integrated oscillator to be synchronized with the external sync signal, under-voltage lockout, optimized gate driver, temperature compensated precise current sources for the loop compensation. This device also includes various fault-protection, circuits such as over voltage protection, overload protection, abnormal over current protection and over-temperature protection, Compared with a discrete MOSFET and PWM controller solution, FPS can reduce total cost, component count, size, weight, while increasing efficiency, productivity, and system reliability. This device is well suited for the cost-effective monitor power supply. Applications SMPS for Monitor TO-220-5L 1 1. Drain 2. GND 3. VCC 4. Feedback 5. Sync Ordering Information Product Number FS8S0765RCBTU (1) (2) Package TO-220-5L TO-220-5L (Forming) Marking Code 8S0765RC BVDSS 650V RDS(ON) 1.6Ω FS8S0765RCBYDTU Notes: 1. TU: Non Forming Type 2. YDTU: Forming Type FPSTM is a trademark of Fairchild Semiconductor Corporation. ©2006 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com FS8S0765RCB Rev. 1.0.2 FS8S0765RCB Fairchild Power Switch (FPS™) Internal Block Diagram Vref Vcc 3 Vcc Good Drain 1 Soft start 5 & Sync Burst Mode Detector Vfb3V No sync Vref Burst Mode Controller 9V/15V Sync Detector Vref OSC Internal Bias Vcc Idelay Vref IFB PWM 2.5R S R Q FB 4 R Q Gate driver LEB V SD Vcc Vovp TSD UVLO Reset (Vcc