MAX1771CSA+

Synchronous buck converter, 1.2A, 1.5MHz, Vin max = 7V, RoHS

1A, 97% Efficiency, 30µA Quiescent Current Step-Up Converter with True Shutdown, tdfn10-ep, Maxim Integrated, RoHS

Step-UP converter (increasing the voltage), allows you to start with a load at a supply voltage of 0.7V, while the power consumption at rest is 5.5 uA. TPS61220

The TPS62823DLC enables efficient voltage reduction with an output current of up to 3 A in a compact package. Integrated power saving features, protection, and flexible output voltage regulation make the device suitable for powering modern mobile, industrial, and computing devices. Texas Instruments TPS62823DLC

The ST1S09IPUR is a compact, synchronous buck regulator with a 2 A output current, designed for efficient power systems in mobile, industrial, and embedded applications. Integrated transistors and high switching frequency enable the design of miniature, low-noise converters with adjustable output voltage.

AP3428DNTR-G1, 1.5MHz, 1A Step-Down DC_DC Buck Converter, U-DFN2020-6

The MC34063AD is a versatile switching voltage regulator that can operate as a step-up, step-down, and inverting converter, ideal for flexible power management in a variety of electronics projects. It supports input voltages up to 40 V and output currents up to 1.5 A, and offers additional overload protection, current limiting, and thermal shutdown features for increased reliability.