DSUN Mini Adjustable DC-DC Step Down Converter 4.5V-28V to 0.8V-20V 3A

The DSUN Mini step-down module is a compact and efficient switching voltage converter. It steps down an input voltage between 4.5 V and 28 V to an adjustable output of 0.8 V to 20 V, delivering up to 3 A.

This module is ideal for powering components requiring stable 3.3 V, 5 V, or 12 V rails from higher voltage sources. With a high efficiency of 92 % and low output ripple (< 30 mV), it is well-suited for embedded electronics applications.

Specifications

• Input Voltage: 4.5 V to 28 V
• Adjustable Output Voltage: 0.8 V to 20 V
• Max Output Current: 3 A (recommended < 1.8 A without active cooling)
• Conversion Efficiency: up to 92 %
• Output Ripple: < 30 mV
• Switching Frequency: typically 1 MHz (max 1.5 MHz)
• Operating Temperature: -45 °C to +85 °C
• Dimensions: 22 x 17 x 4 mm