I have looked at two of the lm2623ev/nopb demo board. I hooked power to first board's inputs and turned on the supply. The power supply folded. My first thought was did blow it up? I ohmed the red lead (vin) to the black lead (gnd) zero ohms. I got a second board. Before powering it I put the ohm meter across the two pins. Zero ohms again. This is a new board just out of the bag. Can someone test a board there and tell what ti should ohm? The board should be simple, put power in on one side and get power out the other side.
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