ICL7660ACPAZ

RT8289GSP, 5A, 32V, 500kHz Step-Down Converter, SOP-8

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

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

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

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

MP1541DJ-LF-Z is a 1.3 MHz high-efficiency boost converter with integrated protection and compact form factor, ideal for powering displays and portable devices from low-voltage sources

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.

MP2159GJ, Step-Down Converter, 1A, 6V, 1.5MHz, 17μA IQ, TSOT23-8

The XL4015E1 converter is a step-down (buck) circuit that converts an input voltage of 8-36V to a regulated output of 1.25-32V, with a maximum current of up to 5A. It is characterized by high efficiency (up to 96%) and protection against short circuit and overheating, although it does not have protection against reverse polarity of the power supply.