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Introducing the compact yet powerful 3A Mini DC‑DC Buck Step‑Down Converter Board – the ideal solution for converting a wide input range of 5 V to 30 V down to stable output voltages of 3.3 V, 5 V or 12 V. Designed for hobbyists, engineers, and OEMs, this high‑efficiency regulator delivers reliable performance in a footprint small enough to fit into the tightest spaces on your PCB.
Key Highlights
- Wide input voltage range: 5 V – 30 V
- Adjustable output: 3.3 V, 5 V, or 12 V (fixed‑output versions available)
- Maximum continuous current: 3 A with up to 95% efficiency
- Compact mini‑board design (30 mm × 20 mm) – perfect for space‑constrained projects
- Built‑in over‑current, over‑temperature, and short‑circuit protection
- Low ripple & noise for sensitive digital and analog circuits
- Easy solder‑pad layout for quick PCB integration
- Available in packs of 1, 5, or 10 pieces for prototyping or volume production
Why Choose This Buck Converter?
This module combines high efficiency with robust protection features, ensuring your devices run cooler and last longer. Its simple pin‑out (VIN, GND, VOUT) makes wiring a breeze, while the integrated MOSFET and inductor reduce component count and overall BOM cost.
Technical Specifications
- Input Voltage: 5 V – 30 V DC
- Output Voltage: 3.3 V / 5 V / 12 V (selectable)
- Output Current: ≤ 3 A (continuous)
- Efficiency: Up to 95% (typical)
- Switching Frequency: 500 kHz
- Operating Temperature: -40 °C to +85 °C
- Dimensions: 30 mm × 20 mm × 5 mm
- Protection: OCP, OVP, OTP, SC
- Mounting: Through‑hole (THT) pads
Ideal Applications
- Arduino, Raspberry Pi, and other development boards
- IoT devices and wearable electronics
- LED lighting drivers
- Battery‑powered portable gadgets
- Industrial control panels
- Robotics and drone power systems
Package Options
Choose the quantity that fits your project:
- 1‑Piece Pack – perfect for single‑prototype builds.
- 5‑Piece Pack – great for small‑scale production or testing multiple designs.
- 10‑Piece Pack – cost‑effective solution for larger projects or inventory stocking.
Upgrade your power design with the reliable, efficient, and space‑saving 3A Mini DC‑DC Buck Step‑Down Converter Board. Order now and experience hassle‑free voltage regulation for all your electronic creations.
Price: Original price was: $ 3.86.$ 1.37Current price is: $ 1.37.