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LNK405EG

Power Integrations
Part Number LNK405EG
Manufacturer Power Integrations
Description LED Driver IC
Published May 16, 2014
Detailed Description LNK403-409EG LinkSwitch®-PH Family LED Driver IC with TRIAC Dimming, Single-Stage PFC and Primary-Side Constant Current ...
Datasheet PDF File LNK405EG PDF File

LNK405EG
LNK405EG

Overview
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 high efficiency.
The single-stage PF and constant current controller eliminates passive circuitry required for power factor correction and electrolytic bulk capacitor.
The advanced primary-side control techniques used by the LinkSwitch-PH device provide accurate constant current control while eliminating the need for an optocoupler and secondary-side current control circuitry.
AC IN D V LinkSwitch-PH CONTROL BP S R FB Figure 1.
Typical Application Schematic.
PI-5430-060710 Output Power Table1...


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