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XL3001 - 3A 220KHz 40V Buck LED Constant Current Driver
XL3003 - 4A 220KHz 36V Buck LED Constant Current Driver
AN4523 - 220kHz Asynchronous Step-Down Converter
XL3005 - 5A 220KHz 36V Buck LED Constant Current Driver
XL7003 - 220KHz 90V 1A Switching Current SEPIC DC/DC Converter