Step-Down Buck Voltage Regulator 3.3V 1.5 A

Step-Down converter with an output voltage of 5 V, an input voltage of 6.5 to 16 V and a maximum current of 4 A

Step-Down converter D36V50F12 with an output voltage of 12 V, an input voltage from 13.3 to 50 V and a maximum output current of 6.5 A. Pololu 4095

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

Step Down DC-DC converter module based on LM2596 circuit, input voltage 3-40V, regulated output voltage 1.5--35V

The Step-Down D24V6F5 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 600 mA. Pololu 2107

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

Pololu 2833

Step-Down converter with an output voltage of 5 V, input voltage from 4.5 to 40 V and a maximum current of 2 A. The board is equipped with a segment LED display and a USB output

An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4853

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 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

Step-Down converter D36V28F12 with an output voltage of 12 V, an input voltage from 12.9 to 50 V and a maximum output current of 3.3 A. Pololu 3786

An efficient step-down converter that reduces the input voltage to 3.3 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 3.3 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5372

This small synchronous switching step-down (or buck) regulator takes an input voltage from 4 V to 36 V and efficiently reduces it to 3.3 V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.6 A and features reverse voltage protection.