The AP3012 from Diodes Incorporated is a DC to DC Converter with Input Voltage 2.6 to 16 V, Output Voltage 1 29 V, Output Current 1 0.5 mA, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Boost/Step Up. More details for AP3012 can be seen below.