Przetwornica Buck - przetwornica DC-DC Step-Down 5V 3A

Step-down DC-DC converter module that converts a 12 V or 11.1 V output voltage (e.g. from a lithium battery) to a voltage in the range of 1.8 V to 5.1 V. It has a power output of up to 60 W, and with an output current of up to 18 A, the module can be used to power a 5 m WS2812 RGB LED strip. DFRobot DFR1025

A compact voltage converter module that reduces input voltage from 6.3 to 65 V to a stable 6 V at currents up to 700 mA. It features high efficiency, low quiescent current (<0.4 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5434

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-Up Buck Voltage Regulator module with output voltage of 3.3V and input voltage range of 1-3V and a maximum output current of 200 mA. STMicroelectronics EVAL4971

Step-Down converter module with input voltage from 4.75 to 23V, output voltage from 1 to 17V and output current 1.8 A (3 A instantaneous current).

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

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 5 V. Designed for mounting on a PCB. Hi-Link HLK-PM01

DC-DC Step-Down converter module AP63203 with an output voltage of 3.3 V, an input voltage of 3.8 to 32 V and a maximum output current of 2 A. SparkFun COM-18357

Step-Down DC-DC converter module based on the D24V150F12 chip. Input voltage 14.5 ... 40V, output voltage 12V (max 15A). Pololu 2885

The Step-Down converter module on the MP1584EN chip converts the 4.5-28V input voltage to 12V output voltage with a maximum current of 3A and an efficiency of up to 92%. It is a compact device measuring 22 x 17 x 4 mm, operating in a temperature range of -20°C to 85°C, ideal for a variety of industrial applications.

The Step-Down panel-mounted converter module enables precise regulation of input voltage (6V-70V) and output current (0-5A), with a maximum output power of 300W, conversion efficiency up to 95%, and short-circuit and anti-reverse connection protection. The device, with dimensions of 120mm x 64mm x 72mm, is equipped with continuous regulation functions, with a resolution of 0.01V for voltage and 0.001A for current, and operates in a temperature range of -10 to +75 degrees Celsius.

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 9 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.

DC-DC Step-Down converter module. It has an input voltage from 3.3 to 45 V, an output voltage of 3.3 V and a maximum output current of up to 3.7 A. Pololu 4891

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

A synchronous step-down converter that reduces input voltage from 18V to 60V to a stable 18V with up to 95% efficiency and 4A 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 5578

Pololu 2834