LNK501P

® LNK501 LinkSwitch™ Family Energy Efficient, CV/CC Switcher for Very Low Cost Chargers and Adapters Product Highlights Cost Effective Linear/RCC Replacement Lowest cost, component count, 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 3 W output with EE13 core for low cost and small size 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 LinkSwitch D C S Wide Range HV DC Input DC Output (VO) (a) VO ±10% VO ±5% ±20%* For Circuit Shown Above IO (b) ±20%* With Optional Secondary Feedback** IO *Estimated tolerance achievable in high volume production including transformer and other com...