EEVblog #957 – How To Measure DC-DC Converter Efficiency

Dave shows you how to setup, measure and generate an Efficiency vs Load Current characteristic curve for a DC-DC converter, just like you see in the datasheets.
Several traps for young players are discussed, along with plotting Logarithmic axis charts in a spreadsheet.
Electronic Load Kit
BM235 Multimeter: http://amzn.to/2hJp78T
Rigol PSU
DIY Electronic Load VIDEO
Forum HERE