Step Down converter module 5V/3A with 2xUSB output

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

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 3.4 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4873

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 3.3 V. Designed for mounting on a PCB. Hi-Link HLK-PM03

DC-DC Step-Down converter module. It has an input voltage from 9 to 45 V, an output voltage of 9 V and a maximum output current of up to 2.9 A. Pololu 4895

Step-Down converter module with an input voltage of up to 5.5 V, an output voltage of 3.3 V and an output current of 1.2 A (2 A instantaneous current). Adafruit 4711

The step-down converter module allows you to reduce the voltage from 24-60 V to a stable 24 V at a current of up to 8 A. High efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device has built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5684

This step-down converter module allows you to reduce the voltage from 6-60V to a stable 6V at a current of up to 11A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5673

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

DC-DC Step Down converter module with input voltage from 7 to 24 V and output voltage of 5 V. Can supply currents up to 4 A. DFRobot DFR0831

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 36V and efficiently reduces it to 5V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.5A and features reverse voltage protection. Pololu 2858

The compact (0.4″ × 0.5″) D24V5F12 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 12 V while allowing for a maximum output current of 500 mA.

A step-down converter that reduces the input voltage from 12V to 60V to a stable 12V with up to 95% efficiency and up to 4.5A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5577

Step-Down DC-DC converter module based on the D36V6F6 chip. Input voltage 6.2..50V, output voltage 6V (max. 600mA). Pololu 3793

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 4855

Pololu 2830

An efficient step-down converter that reduces the input voltage to 5 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltage from 5 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 5373