12V to 3V 3A Step-Down Waterproof Miniature DC-DC Buck Power Converter – Envistia Mall
Pololu 5V Step-Up/Step-Down Voltage Regulator S7V7F5
XM1584 Ultra-Small Size DC-DC Step Down Module
LM2596 LED Driver DC DC Step Down Power Supply Module 7V 35V To 1.25V – Aideepen
MP2307 Adjustable Step-Down DC/DC Converter (1.0V - 17V/1.8A) [MP2307] - US $0.60 : HAOYU Electronics : Make Engineers Job Easier
Controlled DC-DC Step-Up Converter – The Curious Electric Company
DC-DC Automatic Step Up-down Power Module (2.5~15V to 3.3V 600mA) - DFRobot
DC Buck Step-Down Power Module, 3A/24V, MP2315 - ElectroDragon
DC DC Step Down Step Up HW-132 Buck Boost Adjustable
Mini DC/DC Step-Down (Buck) Converter - 5V @ 1A output [TSR12450] : ID 1065 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
24V / 12V To 5V 5A Power Module DC-DC Step-Down Power Supply Converter
How to Use Current-Mode Control in DC/DC Converters
Mini DC-DC Step-up Power Module, 102064
DCDC-36-5-12
DIP 1PCS DC-DC Buck Converter Step Down Module LM2596 Power Supply Output 1.25V-30V - AliExpress
1200W DC-DC Boost Step Up Converter Module
DC – DC Adjustable Step Down Module – 4V-38V to 1.25V-35V - Maker Store PTY LTD
DC-DC Adjustable Step-Down Voltage Regulator Module. 1.5-35VDC Output @ 2A
DC-DC Step Down Converter (4~28V to 5V 3A)
24V to 12V 40A Step-down Power DC-DC Converter Regulator Wateproof