LM2574M-5.0/NOPB

STBB1-APUR, Buck-Boost DC-DC converter, allows to lower and increase voltage, DFN10, STMicroelectronics, RoHS

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.

3 A, 900 kHz, monolithic synchronous step-down regulator, PowerSO8, RoHS

DC/DC converter control circuits, SO8, STM, RoHS

Step Down MP2144GJ pulse converter; 2,5-5,5V; 2A; 1,2MHz; TSOT23-8; Microchip, RoHS

L5973D, DC/DC step down switching regulator, 2.5A, 1,2 do 35 V, 2.25 W, 250 kHz, HSOP8

RT8064ZQW, Synchronous Step-Down Converter, WDFN-8

MCP16301T-I/CHY, High-Voltage Input Integrated Switch Step-Down Regulator, SOT-23-6

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

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.

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

LM3668SD-4550/NOPB, 1-A, High-Efficiency Dual-Mode Single-Inductor Buck-Boost DC-DC Converter, WSON-12