Leads module with fuses for ATX computer power supply

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

Step-Up/Step-Down converter with an output voltage of 5 V, an input voltage from 3 to 15 V and a maximum current of up to 600 mA

Pololu 12V Step-Up Voltage Regulator U3V50F12

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-18356

Step-Down converter D36V28F7 with an output voltage of 7.5 V, an input voltage from 8 to 50 V and a maximum output current of 3.7 A. Pololu 3784

Step-Down DC-DC converter module based on the D36V6F3 system. Input voltage 4 ... 50V, output voltage 3.3V (max. 600mA). Polol 3791

Step-Down converter D36V50F9 with an output voltage of 9 V, an input voltage from 9.9 to 50 V and a maximum output current of 7 A. Pololu 4094

Step-Up/Step-Down converter module with input voltage from 8 to 40 V, output voltage of 12 V and output current of 3 A. SparkFun COM-18376

This miniature IEEE802.3af-compliant PoE module provides 5V power to devices at up to 8W without the need for a separate power cable. It supports both end-span and mid-span modes, offering high efficiency, electrical isolation, and easy integration into IoT and embedded systems. WIZnet WIZPoE-P1

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

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

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.

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 S9V11F3S5C3 switching step-up/step-down regulator efficiently produces a fixed 3.3 V (default) or 5 V (selectable) output whether it is higher or lower than the input voltage, which can range from 3 V to 16 V. The regulator also has fixed 3.3 V low-voltage cutoff with hysteresis that can be used to prevent battery over-discharge.

The USB Step-Up 9V 6W converter module converts the input voltage in the range of 4.2-5.2V to a constant output voltage of 9V, with a maximum current of 1A and a conversion efficiency of 96%. The device can operate in a wide temperature range, from -40°C to 85°C, which makes it ideal for powering various electronic devices in harsh environments.

Voltage converter module with a symmetrical output of ± 15 V with a maximum power of 150 W. Used, among others, to power audio amplifiers