Ultralow Power Step-Down Regulator with Input Voltage Monitor and Regulation
Dual Buck Regulators and Two LDO Regulators 2.5V to 5.5V 24-Pin LFCSP EP T/R
50 mA/500 mA, Ultralow Power Step-Down Regulator with Battery Voltage Monitor

Advanced Battery Management PMIC with Inductive Boost LED and Three LDO Regulators
Ultralow Power Step-Down Regulator with Input Voltage Monitor and Regulation
50 mA/500 mA, Ultralow Power Step-Down Regulator with Battery Voltage Monitor
Quad, 1 A, 5.5 V, Synchronous Step-Down Regulators with One RF LDO Regulator