The ACT4529 from Qorvo is a DC to DC Converter with Input Voltage 4.5 to 36 V, Output Voltage 1 5.1 V, Output Current 1 3000 mA, Output Voltage 2 9.1 V, Operating Temperature -40 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for ACT4529 can be seen below.