Identifying an IC named ID2J

identificationpowerpower supplyswitching

Recently I was working on a 5V switching power supply project and I found the best PCB for building it. But in the middle I got confused when I saw an IC with the letters ID2J.

It has 5 pins like an op-amp or an optoisolator SMD. I searched for it and found nothing, no manufacturer and no datasheet. On the PCB silkscreen it's called IC1.

Does any one know what kind of IC is this?

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Best Answer

Searches on ID2J seem to draw a complete blank.

However a search on 1D2J brings up this page... http://m.cnledw.com/bbs/topic/view/163682.html

which contains the entry

表面代码丝印 1DYJ 1DZJ 1D0J 1D1J 1D2J 1D3J 1D4J 1D5J 1D6J 1D7J 1D8J 1D9J 封装SOT23-6封装SOT23-5封装SOT23是什么型号?

unfortunately I can't get you any closer than that ... maybe someone else can? May be misleading because the mark does look like "I" rather than "1"

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