The PM6779 from STMicroelectronics is a DC to DC Converter with Input Voltage 8 to 13.2 V, Output Voltage 1 0.8 to 2.3 V, Output Current 1 250 mA, Supply Voltage 3.1 to 3.5 V. Tags: Surface Mount, Buck/Step down. More details for PM6779 can be seen below.