This dc-dc power-management integrated-circuit ... Block diagram of a PPG subsystem using an integrated MAX77642 power-supply device. 1.8-V/1.8-V/5.0-V SMPS Circuit Using a PMIC.

Switch-mode power supplies (SMPS, also referred to as dc-dc converters) ... Block diagram of the 5.0-V dc MAX20343H SMPS circuit for remote-patient vital sign monitoring applications.