Inverter XL4016SD step-down 280W 1,2V-35V 9A

The energy harvesting module based on the LTC3588 chip, which is a complete energy harvesting solution for sources such as piezoelectric, solar or magnetic transducers. SparkFun BOB-09946

DC-DC Step-Down converter module. It has an input voltage from 7.5 to 45 V, an output voltage of 7.5 V and a maximum output current of up to 3 A. Pololu 4894

The Step-Down D24V3AHV Buck Voltage Regulator module with adjustable output voltage in the range of 4-25V with a wide input voltage range of 4.5-42V and a maximum output current of 300 mA. Pololu 2102

Step Down converter module with an output voltage of 5 V and a maximum current of 2x2,5 A. The board is equipped with four USB connectors

The 3.3V 3A Step-Down Converter Module is an efficient and compact solution for 3.3V voltage stabilization in various electronic applications.

VRM: Voltage Regulator Module (Rev. B) is a step-down converter based on the Texas Instruments TPS54620 chipset. Input voltage in the range 5 ... 15 V, output voltage 3.3 V or 5 V. Digilent 210-156

 Pololu 2831

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

The Step-Down Converter Module with Voltmeter and Ammeter offers a wide input and output voltage range, with a maximum output current of 12A and a power of 160W. It comes with advanced monitoring and protection features and its conversion efficiency is around 96%.

AP63357 DC-DC Step-Down Converter Module with 5V output, 6 to 32V input and 3.5A maximum output current. SparkFun COM-21255

The Step-Up Converter Module converts input voltage (8.5-50V) and input current (up to 15A) to output voltage (10-60V) and output current (up to 12A) with high conversion efficiency (96%) and overvoltage protection high intensity. The module can operate in a wide temperature range (-40 - 85°C) and frequency (150kHz), allowing constant current adjustment from 0.2 to 12A.

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

The Step-Down converter module on the MP1584EN chip converts the input voltage 9-35V to output voltage 5V with a maximum current of 5A and a power of 25W. It operates in temperatures from -20°C to 75°C and has a compact size of 45 x 31 x 16 mm

Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4874

Waterproof DC-DC Step-Down Converter with 8 to 22V input voltage and 5V 3A USB output

Step-Down converter D36V50F5 with an output voltage of 5 V, an input voltage from 5.5 to 50 V and a maximum output current of 8 A. Pololu 4091