The XL3843 with SOP-8 AC-DC Controllers & Regulators ROHS is an integrated circuit (IC) manufactured by XINLUDA that provides fixed frequency control of a variety of AC-DC power supplies. It features low on-resistance MOSFETs, excellent line and load regulation, voltage-mode control, adjustable current limit, and offers up to 5A output current. It is compliant with the RoHS Directive and has an operating voltage range of up to 40V and an operating junction temperature range of -20°C to 125°C. Other features include a voltage feedback/voltage reference input pin, synchronous rectifier control pin, logic compatible enable function, over-temperature protection, and an auto restart function.