LNK6405D-TL

LNK64x4-64x8 LinkSwitch-3 Family Energy-Efficient, Accurate Primary-Side Regulation CV/CC Switcher for Adapters and Chargers + Product Highlights DC Output Dramatically Simplifies CV/CC Converters • Eliminates optocoupler and all secondary CV/CC control circuitry • Eliminates all control loop compensation circuitry Advanced Performance Features Compensates for transformer inductance tolerances Compensates for input line voltage variations Compensates for cable voltage drop Compensates for external component temperature variations Very accurate IC parameter tolerances using test trimming technology Frequency jittering greatly reduces EMI filter cost Programmable switching frequency up to 85 kHz to reduce transformer size • Minimum operation frequency fixed to improve transient load response • • • • • • • Wide Range High-Voltage DC Input D LinkSwitch-3 FB BP S PI-6907-020515 Figure 1. Typical Application – Not a Simplified Circuit. Advanced Protection/Safety Features • Auto-restart protection reduces power delivered by >90% for output short-circuit and control loop faults (open and shorted components) • Hysteretic thermal shutdown – automatic recovery reduces power Output Power Table1,2,3,4 90-264 VAC supply returns from the field • Meets high-voltage creepage requirements between DRAIN and all other pins both on the PCB and at the package EcoSmart™– Energy Efficient • Easily meets all global energy efficiency regulations with no added components • No-load consumption at 230 VAC input with bias winding 78%, DMAX