50 mA/500 mA, Ultralow Power Step-Down Regulator with Battery Voltage Monitor

Micro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
2 A/1.2 A DC-to-DC Switching Regulator with Independent Positive and Negative Outputs
50 mA/500 mA, Ultralow Power Step-Down Regulator with Battery Voltage Monitor