eBay

So i recieved malfunctioned item, so i sent to seller a message, after what he replied that he will send me another one, and i accepted, because i know it is ebay, and stuff like that happens sometimes... and item was 15$ so i didnt want to cause sel...

Hello, so i bought LTC3780 step-up/down converter, and after hooking it up it died in 2 minutes of "use", i did not really use it just connected it to input battery and checked voltage at output so no overloading done or shorting it out, but it died,...