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This literature is subject to all applicable copyright laws and is not for resale in any manner.FSL206MR Green Mode Fairchild Power Switch (FPS) September 2012 FSL206MR Green Mode Fairchild Power Switch (FPS) Features Description The FSL206MR integrated Pulse-Width Modulator Internal Avalanche-Rugged SenseFET: 650V (PWM) and SenseFET is specifically designed for high- Precision Fixed Operating Frequency: 67kHz performance offline Switched-Mode Power Supplies (SMPS) while minimizing external components. This No-Load <150mW at 265V without Bias Winding AC device integrates high-voltage power regulators that <25mW with Bias Winding for FSL206MR, <30mW combine an avalanche-rugged SenseFET with a with Bias Winding for FSL206MRBN Current-Mode PWM control block. No Need for Auxiliary Bias Winding The integrated PWM controller includes: a 7.8V Frequency Modulation for Attenuating EMI regulator, eliminating the need for auxilliary bias winding Under-Voltage Lockout (UVLO) protection Line Under-Voltage Protection (LUVP) Leading-Edge Blanking (LEB) an optimized gate turn- Pulse-by-Pulse Current Limiting on/turn-off driver EMI attenuator Thermal Shutdown (TSD) protection temperature-compensated precision Low Under-Voltage Lockout (UVLO) current sources for loop compensation soft-start during Ultra-Low Operating Current: 300A startup and fault-protection circuitry such as Overload Protection (OLP), Over-Voltage Protection (OVP), Built-In Soft-Start and Startup Circuit Abnormal Over-Current Protection (AOCP), and Line Various Protections: Overload Protection (OLP), Under-Voltage Protection (LUVP). Over-Voltage Protection (OVP), Thermal Shutdown The internal high-voltage startup switch and the Burst- (TSD), Abnormal Over-Current Protection (AOCP) Mode operation with very low operating current reduce Auto-Restart Mode for All Protections the power loss in Standby Mode. As a result, it is possible to reach a power loss of 150mW with no bias Applications winding and 25mW (for FSL206MR) or 30mW (for FSL206MRBN) with a bias winding under no-load SMPS for STB, DVD, and DVCD Player conditions when the input voltage is 265V . AC SMPS for Auxiliary Power Related Resources Fairchild Power Supply WebDesigner Flyback Design and Simulation In Minutes at No Expense AN-4137 Design Guidelines for Offline Flyback Converters Using FPS AN-4141 Troubleshooting and Design Tips for Fairchild Power Switch (FPS) Flyback Applications AN-4147 Design Guidelines for RCD Snubber of Flyback AN-4150 Design Guidelines for Flyback Converters Using FSQ-Series Fairchild Power Switch (FPS) 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FSL206MR Rev. 1.0.5