Power supply with DC-DC Step Down 0-16.5V 3A converter and LCD display + case

The compact (0.4″ × 0.5″) D24V5F15 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 15 V while allowing for a maximum output current of 500 mA. Pololu 2847

Step-Down converter D36V28F6 with an output voltage of 6 V, an input voltage from 6.3 to 50 V and a maximum output current of 4 A. Pololu 3783

The Step-Down D24V6F12 Buck Voltage Regulator module gives the output voltage of 12V with a wide input voltage range of 15-42V and a maximum output current of 600 mA. Pololu 2109

Step-Down converter D36V28F5 with an output voltage of 5 V, an input voltage from 5.3 to 50 V and a maximum output current of 4 A. Pololu 3782

Buck-mode DC-DC power module that converts voltage from 8 V to 28 V to a stable 5 V at a maximum current of 1.6 A, providing high conversion efficiency. Thanks to its small size, stability and reliability, the module is perfect for DIY projects, mobile power supply construction and applications requiring precise, stable voltage. DFRobot DFR0571

The Step-Down D24V3F5 Buck Voltage Regulator module gives the output voltage of 5V with a wide input voltage range of 7-42V and a maximum output current of 300 mA. Pololu 2098

Step-Down converter with adjustable output voltage from 1.25 to 36 V, input voltage from 4 to 38 V and maximum current up to 5 A. Board equipped with a voltmeter with display

Step-Down converter D36V28F3 with an output voltage of 3.3 V, an input voltage from 4.5 to 50 V and a maximum output current of 4.5 A. Pololu 3781

Step-Down DC-DC converter module based on the D24V150F7 chip. Input voltage 9..40V, output voltage 7.5V (max 15A). Pololu 2883

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors.

Efficient step-down converter that reduces the input voltage from up to 45 V to a regulated output voltage range from 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in protection against reverse polarity, overload and short circuit, and the spread spectrum function reduces EMI interference. The module is equipped with an additional potentiometer for adjusting the cut-off voltage. Pololu 4852

Step-Down DC-DC converter module based on the D36V6F3 system. Input voltage 4 ... 50V, output voltage 3.3V (max. 600mA). Polol 3791

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. It has built-in WiFi communication. XY3605

Step Down converter module with an output voltage of 5 V and a maximum current of 3 A. The board is equipped with two USB connectors

Step-Down XL4015 converter module with adjustable output voltage in the range from 1.25 to 36 V with a wide input voltage range from 4 to 38 V and a maximum output current of 5 A

The DC-DC Step-down Converter Module with the LM2596S chip allows you to convert the voltage from the range of 3-40 V to a regulated output voltage of 1.5-35 V with high efficiency up to 92%. The maximum output current is 3 A, and the operating frequency is 150 kHz. The compact design with dimensions of 43 × 21 × 14 mm, the possibility of precise voltage regulation and a pinout of 2.54 mm facilitate the integration of the module in DIY projects, power supply systems, modeling and laboratory stations. The operating temperature range is from -40 to 85°C