What is a switching regulator, Switched mode power supply, on and off switch - tatanh1983/conchodom GitHub Wiki

MP2451 Series 36 V 0.6 A 2 MHz Surface Mount Step-Down Converter - SOT-23-6 https://www.futureelectronics.com/p/semiconductors--analog--regulators-reference--switching-regulators/mp2451dt-lf-z-monolithic-power-systems-2151714