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Without knowing for sure i can’t find dwtasheet hints when googlingit would be my initial guess that the DL is a power-factor correction IC, while the DS is the PWM system.

We won’t do your homework for you. Welcome to our site! Started 1001xl fastline Yesterday at 8: Here is an image of the power supply Welcome to Reddit, the front page of the internet. There is some feedback across the isolation through the 3 white optocouplers, so it may be that i am wrong, but i can’t tell you for sure.

1001DL datasheet

Keep brand wars to a minimum. Use of this site constitutes acceptance of our User Agreement and Privacy Policy. Buck switchers should work, either a boost converter or a step down in this situation. Thread starter dr datasehet Start date Aug 24, Send the moderators a message and we can unblock it as soon as possible. The LM is an opamp, as you say.

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Trying to ID the PWM Chip on a Dell ATX Power Supply, help appreciated : ECE

I was trying to find the PWM Chip on any of them so I could attempt to disable it like this guy has done: I’m thinking maybe this chip is the part of the circuit that converts 12v from the main output down to 5v. I think I’ll pull another psu out of my stack of scrap bits and look at that one. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at 10001dl New media New comments Search media. I was expecting a standard ic in the supply but its a dna and I’m having trouble finding a datasheet for it, has anyone had experience of one of these ic’s?

If the problem is truly an engineering problem, we’ll allow 100d1l, but fixing your laptop or a cracked LCD screen doesn’t qualify. And what section of the circuit needs to know this? Then get out yer ohmmeter, put it on gabeepen tooter, and start buzzing. Those chips are proprietary chips made by Delta and there is no datasheet for them. I had this issue when trying the same thing on a smaller Delta powersupply. You might be able to hook up a scope to some of the pins on those chips and see which one changes when you load it up to the point where overcurrent kicks in.

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Pc power supply dna ic. Just saying hello Started by MichaelaJoy Yesterday at 6: Any ideas on where it is or what I should be looking for?

【1001DL HITACHI】Electronic Components In Stock Suppliers in 2018【Price】【Datasheet PDF】USA

But what I need to know is where the PWM control chip is so I can try to disable the overcurrent protection on it. Check out what this guy oztules writes in this topic. He explains the function of these chips, and provides some datashset. Submit a new link.

SMPS use a TL to detect the output voltage and report back via an optocoupler whether the output voltage is too low or too high. Log in or sign up in seconds. Power, electronics, electromagnetics, semiconductors, software engineering, embedded systems – it’s all fair game!

Check whether there’s a TL nearby.

Depending on topology, it may be different. For a better experience, please enable JavaScript in your browser before proceeding. That’s what yer lookin’ for, right there. You must log in or register to reply here. Not sure whether the regulation is datasheft the 5v line or the 12v line, I dont think they are seperate on this unit, maybe the 5v rail has a switching reg from the 12v rail.