Mini UPS backup power module - Waveshare 24760

This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages up to 50 V and efficiently reduces them to 9 V while allowing for a maximum output current of 600 mA. It has a very low dropout, so it can be used with input voltages that are within a few hundred millivolts of its output.

Step-Down DC-DC converter module based on the D24V150F12 chip. Input voltage 14.5 ... 40V, output voltage 12V (max 15A). Pololu 2885

The DC-DC Buck Converter DC5-36-TO-DC3V3-5 in SMD version is designed for direct surface mounting. With selectable output voltage and high efficiency, it is suitable for applications involving microcontrollers, IoT systems, and mobile electronic devices.

Power supply module with an input voltage from 6 to 12 V and a configurable output voltage of 3.3 V or 5 V. It has holes with a 2.54 mm pitch. Perfect for use with a breadboard. SparkFun PRT-13032

Pololu 9V Step-Up Voltage Regulator U3V50F9

Akyga® EN2060-10-F is a compact and efficient single-phase EMI filter for 120–250 V AC power systems, designed to suppress conducted interference in electrical installations with loads up to 10 A. With a metal housing, connector-type terminals, and compliance with European standards, the filter is suitable for a wide range of applications, ensuring stable operation and protecting electronic devices from electromagnetic interference.

The LM7806 6 V 1.2 A linear stabilizer module is a reliable and easy-to-use voltage stabilization solution for all electronics projects. Thanks to its solid construction, built-in protections and high efficiency, this module provides a safe and constant 6 V power supply, being an invaluable component in the work of every electronics engineer

The compact (0.4″ × 0.5″) D24V5F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 5 V while allowing for a maximum output current of 500 mA. Pololu 2843

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.4 A and features reverse voltage protection.

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and a USB type A output. It enables powering devices with 15 V or 20 V and testing chargers. PDC005

A power supply based on a DC-DC converter with a current capacity of up to 5.1 A. The input voltage can range from 5 V to 30 V, while the output voltage is adjustable from 0 V to 36 V. XY3605

Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

The shunt regulator has an adjustable 4 ... 18V voltage, a 1.5 Ohm shunt resistance and a total of 32 SMT bypass resistors on both sides of the PCB. Pololu 3778

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage from 3 to 15 V and a maximum current of up to 600 mA

The Step-Down D24V3F3 Buck Voltage Regulator module gives the output voltage of 3,3V with a wide input voltage range of 4.3-42V and a maximum output current of 300 mA. Pololu 2097

The compact (0.4″ × 0.5″) D24V5F6 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 6 V while allowing for a maximum output current of 500 mA. Pololu 2844