LNK500PN

This product is not recommended for new designs. LNK500 LinkSwitch Family Energy Efficient, CV or CV/CC Switcher for Very Low Cost Chargers and Adapters Product Highlights LinkSwitch D Cost Effective Linear/RCC Replacement • Lowest cost and component count, constant voltage (CV) or constant voltage/constant current (CV/CC) solution • Extremely simple circuit configuration • Up to 75% lighter power supply reduces shipping cost • Primary based CV/CC solution eliminates 10 to 20 secondary components for low system cost • Combined primary clamp, feedback, IC supply, and loop compensation functions – minimizes external components • Fully integrated auto-restart for short circuit and open loop fault protection – saves external component costs • 42 kHz operation simplifies EMI filter design S C Wide Range HV DC Input DC Output (VO) (a) VO Example Characteristic Min Typ VO ±5% ±10% Much Higher Performance Over Linear/RCC • Universal input range allows worldwide operation • Up to 70% reduction in power dissipation – reduces enclosure size significantly • CV/CC output characteristic without secondary feedback • System level thermal and current limit protection • Meets all single point failure requirements with only one additional clamp capacitor • Controlled current in CC region provides inherent soft-start • Optional opto feedback improves output voltage accuracy EcoSmart™ – Extremely Energy Efficient • Consumes