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This literature is subject to all applicable copyright laws and is not for resale in any manner.FSL336LRD Green Mode Buck Switch August 2016 FSL336LRD Green Mode Buck Switch Features Description Built-in Avalanche-Rugged SenseFET: 650 V The FSL336LRD integrated Pulse Width Modulator (PWM) and SenseFET is specifically designed for high- Fixed Operating Frequency: 50 kHz performance offline buck, buck-boost, and non-isolation No-Load Power Consumption: flyback Switched Mode Power Supplies (SMPS) with <25 mW at 230 V with External Bias AC minimal external components. This device integrates a <120 mW at 230 V without External Bias high-voltage power regulator that enables operation AC without auxiliary bias winding. An internal No Need for Auxiliary Bias Winding transconductance amplifier reduces external Frequency Modulation for Attenuating EMI components for the feedback compensation circuit. Pulse-by-Pulse Current Limiting The integrated PWM controller includes: 10 V regulator for no external bias circuit, Under-Voltage Lockout Ultra-Low Operating Current: 250 A (UVLO), Leading-Edge Blanking (LEB), an optimized Built-in Soft-Start and Startup Circuit gate turn-on / turn-off driver, EMI attenuator, Thermal Shutdown (TSD), temperature-compensated precision Adjustable Peak Current Limit current sources for loop compensation, and fault- Lower burst-mode entry level (0.45/0.4 V) protection circuitry. Protections include: Overload Protection (OLP), Over-Voltage Protection (OVP), and Built-in Transconductance (Error) Amplifier Feedback Open Loop Protection (FB OLP). Various Protections: Overload Protection (OLP), FSL336LRD offers good soft-start performance during Over-Voltage Protection (OVP), Feedback startup. Open-Loop Protection (FB OLP), Thermal The internal high-voltage startup switch and the Burst- Shutdown (TSD) Mode operation with very low operating current reduce Fixed 650 ms Restart Time for Safe Auto-Restart the power loss in Standby Mode. As the result, it is of All Protections possible to reach power loss of 120 mW without external bias and 25 mW with external bias when input Applications voltage is 230 V . AC SMPS for Home Appliances and Industrial Applications SMPS for Auxiliary Power Ordering Information (1) Typical Output Power Operating 85 V ~ 265 V AC AC Part Packing (2) Junction PKG & Open Frame Current Number Method R Temperature DS(ON),MAX Limit Buck Flyback (3) Application Application 1.8 A 4 9 W 20 W FSL336LRD -40C ~125C 7-DIP Rail Notes: 1. The junction temperature can limit the maximum output power. 2. Maximum practical continuous power in an open-frame design at 50C ambient. 3. Based on 15 V output voltage condition. Output voltage can limit the maximum output power. 2016 Fairchild Semiconductor Corporation www.fairchildsemi.com FSL336LRD Rev.1.0