The A6984 from STMicroelectronics is a DC to DC Converter with Input Voltage 4.5 to 36 V, Output Voltage 1 0.9 to 28 V, Output Current 1 400 mA, Operating Temperature -40 to 150 Degree C, Storage Temperature -55 to 150 Degree C. Tags: Surface Mount, Buck/Step down. More details for A6984 can be seen below.