ALLNET 4duino Voltage Converter B33 (4duino_B35)

The ALLNET 4duino Voltage Converter B33 (4duino_B35) is a high-efficiency DC/DC step-down (buck) converter designed to provide a stable 3.3V output from a wide input voltage range. Ideal for powering 3.3V devices in embedded systems, Arduino projects, and industrial applications, this compact module delivers reliable performance with up to 96% efficiency.

Advantages

This converter offers exceptional efficiency, reducing power loss and heat generation. Its fixed 3.3V output simplifies design, while the wide input range (4.5V-28V) provides flexibility for various power sources. The integrated MP1584EN IC ensures stable operation with low output ripple and excellent load regulation.

Suitable for

• Arduino and 4duino microcontroller projects
• Embedded systems requiring 3.3V power
• Industrial automation and control systems
• Battery-powered devices needing efficient voltage regulation

Key specifications

• Converter Type: DC/DC Step-Down (Buck) Converter
• Input Voltage Range: 4.5V - 28V DC
• Output Voltage: 3.3V DC (Fixed)
• Maximum Output Current: 3A (Peak), 2A Continuous
• Efficiency: Up to 96%
• Switching Frequency: 1.5 MHz
• Integrated Circuit: MP1584EN
• Operating Temperature: -45°C to +85°C
• Output Ripple: <30mV
• Load Regulation: ±0.5%
• Voltage Regulation: ±2.5%
• Protection Features: Overcurrent, Thermal Shutdown
• Module Interface: Solder Pads (VIN+, VIN-, VOUT+, VOUT-)
• Mounting Type: Through-hole (for pins)

Recommendations

For optimal performance, ensure proper heat dissipation when operating near maximum current. Use appropriate input and output capacitors as recommended in the MP1584EN datasheet. This module is a reliable choice for powering 3.3V logic circuits and sensors.