Electronics Hardware
Review: WD2002SJ, XR-131 LTC3780 High Efficiency, Synchronous Buck Boost DC-DC Converter
Prevalent on ebay and Amazon is the “LTC3780 Automatic lifting pressure constant voltage step up step down 10A 130W” DC to DC Converter. (What a mouthful) I’m not quite sure what the “Automatic lifting pressure” is about (suspect Chinglish), but it is a fairly well designed DC-DC switcher based on Analog’s (formally Linear Technology) LTC3780 – High Efficiency, Synchronous, 4-Switch Buck-Boost Controller. The board sells for a bargain basement price of about $20 to $25 USD. My interest in this DC-DC switcher is to operate 19VDC laptops/notebooks and LCD TVs from 12V batteries/solar. I took the plunge and purchased two units. Here are …