Transformer identification..

[KBJ62]

Hey,
        Trying to figure out what sort of transformer this is..

[drvtech]

It's a Coilcraft part. Looks like one of their coupled inductors/transformers but I can't see one on their website with that number on it. Have a trawl at coilcraft.com

[Jwillis]

Coupled Inductor   https://www.coilcraft.com/en-us/edu/series/a-guide-to-coupled-inductors/
https://www.coilcraft.com/getmedia/c6cab3a9-7293-495e-8614-c9a8ce247721/LPD8035V.pdf

[drvtech]

Can't be that one - it only has two windings.  The one in the pic has six pads so must have three windings.

[drussell]

Can't be that one - it only has two windings.  The one in the pic has six pads so must have three windings.

Why not?  Things like the LPH8045 series are 1:1:1... 

You can use them as three separate windings or wire them up to make them into 2:1 or whatever, depending on what you're trying to accomplish.

[Zero999]

Can't be that one - it only has two windings.  The one in the pic has six pads so must have three windings.

Have you checked that all six pads are connected to the windings? Quite often not all of the pins are connected and are just for mechanical support.

[KBJ62]

Wow thanks for the help. The device is used in LVDC generation ( 100V - 400V). It is used for voltage setup but I had a problem identifying this exact part. It could be their LPR series (low profile 1:N trnsformer).

[drussell]

Wow thanks for the help. The device is used in LVDC generation ( 100V - 400V). It is used for voltage setup but I had a problem identifying this exact part. It could be their LPR series (low profile 1:N trnsformer).

Yeah, I figured that is what they were used for but I couldn't find an actual datasheet for that HV53001 driver "with boost" or the HV53011 there to try to guess the circuit values or see if there was a recommended inductor formula or suggested part in an example or something.

I didn't see one that matched in my quick look through a couple different series, and various searches for anything likely with a -352 suffix only yielded a regular ferrite rod through-hole inductor, so you'll have to do a bit more digging.

Remember, it is also possible it is some sort of custom part, it may not be in a standard series datasheet.

[crossroad]

Can't be that one - it only has two windings.  The one in the pic has six pads so must have three windings.

Have you checked that all six pads are connected to the windings? Quite often not all of the pins are connected and are just for mechanical support.

My 2 cents from brief observation: looks like there's tracks going to three pads, one pad is to a power pour, and one is to ground, with one more to some sort of via stitching. I'd imagine that they're for more than just mechanical support in this instance