IRM-20-3.3 - AC/DC Power Supply Module 3.3 V 14.85 W

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40 V and efficiently reduces it to 6 V with an available output current of around 15 A. Pololu 2882

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

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A. Typical efficiencies of 85% to 95% make this regulator well suited for high-power applications like powering motors or servos.

Step-Down DC-DC converter module based on the D24V150F9 chip. Input voltage 11 ... 40V, output voltage 9V (max 15A). Pololu 2884

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

The Step-Down D24V3F9 Buck Voltage Regulator module gives the output voltage of 9V with a wide input voltage range of 11-42V and a maximum output current of 300 mA. Pololu 2099

A boost charger module that allows you to charge batteries from USB, DC, or solar panels, and power devices requiring 5V. Equipped with the BQ25185 and TPS61023, it provides high efficiency, optimized power consumption, and support for 500mAh or larger batteries. Adafruit 6106

The Step-Down D24V6F3 Buck Voltage Regulator module gives the output voltage of 3.3V with a wide input voltage range of 4.8-42V and a maximum output current of 600 mA. Pololu 2106

An efficient step-down converter that reduces the input voltage to 12 V at a maximum current of 100 mA, offering high efficiency thanks to low quiescent current (<50 μA). It supports input voltages from 12 V to 65 V, has short circuit and overheating protection, making it a reliable and energy-efficient solution. Pololu 5367

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 Step-Down Converter allows you to adjust the output voltage (1.5-35V) and output current (up to 10A, 8A recommended), supporting a maximum of 150W (100W recommended) with an operating temperature of -20 to 75°C and a conversion efficiency of up to 95%. It has short-circuit protection but no reverse input protection.

The AC-DC converter module converts the voltage in the range of 90-264V AC to 12V DC with a maximum current of 600mA and a power of 3W. It is characterized by a long life (MTBF 100,000 h), a slow start of 50 ms, and a maximum input current of 0.2A.

The Step-Down converter module converts the input voltage of 14 - 26 V to a constant 12 V, with a maximum output current of 3 A, recommended up to 0.8 A for long-term operation. The conversion efficiency of the device is 96% and the module size is 22.3 x 17 x 4.2 mm

AP3429A DC-DC Step-Down Converter Module with 3.3 V output voltage, 3.9 to 5.5 V input voltage and 2 A maximum output current. SparkFun COM-21337

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

The compact (0.4″ × 0.5″) D24V5F2 synchronous buck voltage regulator takes input voltages between 3 V and 36 V and efficiently reduces them to 2.5 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 80% and 90%. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.