ANALOG DEVICES ADP3000 Micropower Step-Up/Step-Down Fixed 3.3 V 5 V 12 V Adjustable High Frequency Switching Regulator handbook

The ADP3000 is a versatile step-up/step-down switching regulator that operates from an input supply voltage of 2 V to 12 V in step-up mode and up to 30 V in step-down mode. It features a low battery detector, user adjustable current limit, fixed and adjustable output voltage.