LNK404EG

LNK403-409EG LinkSwitch®-PH Family LED Driver IC with TRIAC Dimming, Single-Stage PFC and Primary-Side Constant Current Control Product Highlights Dramatically Simplifies Off-line LED Drivers Flicker-free phase-controlled TRIAC dimming Single stage power factor corrected and accurate constant current (CC) output Eliminates optocoupler and all secondary current control circuitry Eliminates all control loop compensation circuitry Simple primary-side PWM dimming interface Universal input voltage range Enables designs that are electrolytic-free Accurate and Consistent Performance Compensates for transformer inductance tolerances Compensates for line input voltage variations Frequency jittering greatly reduces EMI filter size and costs Advanced Protection and Safety Features Auto-restart for short-circuit protection Open circuit fault detection mode Automatic thermal shutdown restart with hysteresis Meets high voltage creepage requirement between DRAIN and all other signal pins both on PCB and at package EcoSmart® – Energy Efficient Low standby power remote ON/OFF feature (<50 mW at 230 VAC) No current sense resistors – maximizes efficiency High efficiency operation, >85% achievable Green Package Halogen free and ROHS compliant package Applications Off-line LED driver Description The LinkSwitch-PH dramatically simplifies implementation of LED drivers requiring PF >0.9, TRIAC dimmer capability and ...