![]() |
中文版 | English |
POWERINT series
LNK454/456 - single-stage PFC non-isolated TRIAC dimmer programs.
分类:POWERINT series 来源:网络 发布:2013-03-27 23:27:51
DownloadLNK454/456 PDF document
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 ● Flicker-free phase-controlled TRIAC dimming ● Single-stage power factor correction and accurate constant current (CC) output ● Very low component count with small non-electrolytic bulk capacitor for compact replacement lamp designs ● Compact SO8, eSOP, and eDIP packages ● 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 Advanced Protection and Safety Features ● Cycle skipping regulation for abnormally low output power to clamp peak output current delivered ● 725 V integrated power MOSFET allows small bulk capacitance and maximizes power capability ● Short-circuit, overload, open feedback and output overvoltage protection ● 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 input VA ● Control algorithm balances switching and conduction losses over line and load to maintain optimum efficiency
|