20 Pack DC Buck Regulator Modules Input 4.5 to 24V Fixed 5V or Adjustable 0.8 to 17V Up to 3A Mini Voltage Reducer Power Supply for Arduino Raspberry Pi DIY Tech Projects
✔️ Input 4.5-24V; adjustable 0.8-17V; up to 3A; 97.5% efficient
This pack includes 20 compact buck regulator modules designed to step down a wide DC input to stable, low-voltage rails. They’re a great fit for powering microcontrollers, Raspberry Pi boards, and other DIY electronics from batteries, solar setups, or automotive power sources.
✅ Input voltage: 4.5-24V DC
✅ Output voltage: fixed options 1.8V, 2.5V, 3.3V, 5V, 9V, 12V or adjustable 0.8-17V via onboard potentiometer
✅ Max output current: 3A; enhance cooling at full load
✅ Efficiency: up to 97.5% with high-frequency buck design
✅ Switch frequency: 500 kHz; output ripple ~20 mV under test
✅ Size: 20 x 11 x 5 mm; 2.54 mm soldering/pin spacing
✅ Enable function: low idle current 0.85 mA; auto-off at low level
💡 What is a compact DC buck regulator module used for in hobby electronics projects? This handy piece helps power microcontrollers, single-board computers, and sensors from higher or variable DC sources. - Handy for converting car or battery power to stable rails like 5V - Great for narrow spaces in portable builds - Supports fixed outputs or adjustable voltage via on-board pot - Includes protection features and high efficiency to minimize heat