10 Pack 5V To 3.3V Buck Converter Module With Wide 4.75V 23V Input Dope Little Power Regulator For Arduino ESP32 And DIY Electronics Projects Ultra Compact 17x11x3.6mm Low Ripple Power Supply

Ultra-compact 3.3V buck regulator, wide 4.75-23V input, 10-pack
✔️ 4.75-23V input, 3.3V output, 1.5A max, 17x11x3.6mm

A compact, high-efficiency 3.3V step-down regulator module designed for space‑constrained boards like ESP32, STM32, and Arduino 3.3V logic projects. It excels in prototypes and compact DIY builds where clean, stable power matters.

✅ 17mm x 11mm x 3.6mm ultra-compact footprint
✅ 3.3V output with stable regulation
✅ Wide input range 4.75-23V, up to 1.5A continuous
✅ Low ripple switching for clean power
✅ -40°C to 85°C operating range with efficient heat dissipation
✅ 10-pack bundle for prototyping and batch runs

💡 What is a 3.3V buck converter typically used for?

It's handy for powering 3.3V microcontrollers and sensors from higher voltages while keeping noise and heat in check.

- Wide input range 4.75-23V
- Delivers up to 1.5A continuous with low ripple
- Compact 17mm x 11mm footprint ideal for portable projects