Buck-Boost DC-DC Converter 20W, ±3–30V Output (DC402)
Part number: DC402DC-DC Converters & Regulator Modules
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Prices updated: 13 Oct 2026
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About this product
A 20 W DC-DC converter that can step voltage up or down, accepting 3.6–30 VDC input and providing positive and negative outputs in the ±3–30 V range. It suits split-rail analog circuits and sensors that need a negative supply.
Specifications
- Input voltage
- 3.6–30 VDC
- Output voltage
- ±3–30 VDC
- Output power
- 20 W
- Topology
- Buck-boost (step-up and step-down)
- Output polarity
- Positive and negative
Frequently asked questions
Can it provide a negative output voltage?
Yes. It provides outputs in the ±3–30 V range, so it supplies both positive and negative rails within that range. Confirm the ground wiring for your circuit before powering it.
Does it both step up and step down?
Yes. It handles both step-up and step-down conversion within its 3.6–30 V input range. Keep the load within the 20 W rating.
