DAK-54

Engineering Prototype Report for EP-54 – 2.75 W Charger/Adapter Using LNK520P (LinkSwitch) Title Specification 85-265 VAC Input, 5.5 V, 500 mA, 2.75 W Output Application Low Cost Charger / Adapter Author Power Integrations Applications Department Document Number EPR-54 Date 07-May-2004 Revision 1.1 Summary and Features • • • • • Low cost, low component count battery charger/adapter – replaces linear transformer based solutions Optimized switching characteristics and low-side configuration of LNK520 minimizes EMI - Achieves greater than 10 dBµV margin to composite conducted limits - No Y1 safety capacitor required for EMI compliance - Ultra-low earth leakage current,