The AP64100SP-13 is a switching voltage regulator DCDC Conv HV Buck SO-8EP(STD) T&R 4K manufactured by Diodes Incorporated. It is a 3A, high current, wide input voltage buck converter, with an adjustable output voltage between 0.8V to 5.5V. It features fast transient response, 800KHz operation, and low shutdown current. It has integrated protection features, such as overload protection, short-cycle protection, over temperature protection, and over voltage protection. The device is RoHS compliant and is available in a 8-pin SO-8EP(STD) package.