XL5002

XLSEMI 600V 0.5A Switching Current Buck PFM LED Constant Current Driver Features n n n n n n n n n n n n n Datasheet XL5002 General Description The XL5002 is a monolithic high voltage switching regulator with PFM that is specifically designed to operate from a rectified 85V~265V AC mains supply. The XL5002 is a high efficiency LED driver switching regulator. The LED string is driven at DC constant current rather than constant voltage, thus providing constant current output and enhanced reliability. Operate from a rectified 85V~265V AC mains supply. 0.1V current sense voltage reference. Directly drive 1~5 series 1W LED. Excellent line and load regulation. Internal optimize power HV-MOSFET. Built in thermal shutdown function. Built in UVLO function. Built in current limiting function. Built in LED open & short protection. Built in soft-start circuit. Support without electrolytic capacitor System solution. Available in SOIC-8 package. PF > 0.9 (Power Factor) with suitable External components. R ` Applications w m Û device .com n E27, GU10, GU5.3, B22 Vlamp n LED Lighting & LED LAMP ch e t fo n General purpose lighting o g w. w w b€ Ñ y Figure1. Package Type of XL5002 Rev 3.0 1 XLSEMI 600V 0.5A Switching Current Buck PFM LED Constant Current Driver Pin Configurations Datasheet XL5002 START VREG CSP SW 1 2 XL5002 3 4 8 7 6 5 CSN CSN VIN VIN Figure2. Pin Configuration of XL5002 (Top View) Table 1 Pin Description Pin Number 1 2 3 4 5，6 7，8 Pin Name Description b€ S...