Tiny 4 to 24V DC to Adjustable Output 3A DC DC Buck Converter Module - — PMD Way
3A Output, 96% Efficient Buck-Boost DC/DC Converter Sets the Standard for Power Density and Noise Performance | Analog Devices
3A Digital LED DC-DC Boost Step-up Voltage Converter 5V 9V 12V 24V Power Supply | eBay
Lm2596 Dc Dc Step Down Power Supply Module 3a Adjustable Step Down Module Lm2596s Voltage Regulator 24v 12v 5v 3v For Arduino - Industrial & Scientific - Temu
Mini Dc-dc 12-24v To 5v 3a Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8v 2.5v 3.3v 5v 9v 12v - Integrated Circuits - AliExpress
12V/24V to 12V 3A 36W DC DC Step Down Converter Voltage Regulator – Daygreen
UBEC DC/DC Step-Down (Buck) Converter - 5V @ 3A output : ID 1385 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits