The PM6680 from STMicroelectronics is a DC to DC Converter with Input Voltage 6 to 28 V, Output Voltage 1 0.9 to 5.5 V, Output Current 1 10000 mA, Output Voltage 2 0.9 to 3.3 V, Supply Voltage 4.5 to 5.5 V. Tags: Surface Mount, Buck/Step down. More details for PM6680 can be seen below.