LNK457, LNK454 Datasheet - Power Integrations

LNK457 Single-Stage LED Driver

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,.

LNK457 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 p

LNK454_PowerIntegrations.pdf