LNK458

www.DataSheet4U.com LNK454/456-458/460 LinkSwitch-PL Family ® LED Driver IC with TRIAC Dimming, Single-Stage PFC and Constant Current Control for Non-Isolated Applications Product Highlights Dramatically Simplifies Off-line LED Drivers Single stage power factor correction and accurate constant current (CC) output Flicker-free phase-controlled TRIAC dimming Very low component count with small non-electrolytic bulk capacitor, for compact replacement lamp designs Compact SO8 package Completely eliminates control loop compensation Advanced Performance Features Optimized for non-isolated flyback designs Frequency jitter greatly reduces EMI filter size and costs Low dissipation direct sensing of LED current PR EL IM IN AR Y D CONTROL S FB AC IN LinkSwitch-PL BP PI-5835-060710 Advanced Protection and Safety Features 725 V integrated MOSFET allows small bulk capacitance and maximizes power capability Latching shutdown protection for short-circuit / open feedback and output overvoltage Auto-restart for overload condition Hysteretic thermal shutdown Meets high-voltage creepage between DRAIN and all other pins both on PCB and at package EcoSmart ® - Energy Efficient High power factor optimizes system lumen per watt by reducing input VA Control algorithm balances switching and conduction losses over line and load to maintain optimum efficiency Cycle skipping regulation for abnormally low output power to clamp peak output current deli...