Unverified50% confidenceFactExact time
降压模块转换效率通常可达85%-95%，远优于线性稳压器；从12V降到5V时线性稳压器效率仅约42%，超过一半功率变成废热
1
Sources
50%
Confidence
Long-term
Relevance
8/28/2026
First Seen
Sources
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