XL6001原厂规格书(2014版)XL6001原厂规格书(2014版).pdf

400KHz 32V 2A Switching Current Boost LED Constant Current Driver XL6001 Features General Description n Wide 3.6V to 24V Input Voltage Rang The XL6001 regulator is fixed frequency PWM n 0.22V Constant Current Sense Voltage Boost (step-up) LED constant current driver, n Directly drive 3~8 Series 1W LED capable of driving Series 1W LED units with excellent line and load regulation. The regulator is n Fixed 400KHz Switching Frequency simple to use because it includes internal frequency n Max. 2A Switching Current Capability compensation and a fixed-frequency oscillator so n Up to 92% efficiency that it requires a minimum number of external n Excellent line and load regulation components to work. n EN PIN TTL shutdown capability The XL6001 could directly drive 5~8 Series 1W n Internal Optimize Power MOSFET LED units at VIN 12V . n Built in LED Open Protection n Built in Soft-Start Function The PWM control circuit is able to adjust the n Built in Frequency Compensation duty ratio linearly from 0 to 90%. An enable n Built in Thermal Shutdown Function function, an over current protection function n Built in Current Limit Function is built inside. An internal compensation n Available in SOP8 package block is built in to minimize external component count. Applications n LED Lighting n Boost constant current driver n Monitor LED Backlighting n 7 to 15 LCD