1001DL DATASHEET PDF

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The PSU is shutting down on me with overcurrent spikes in my application. Media New media New comments Search media. However I am struggling to identify where it is on the pcb. Send the moderators a message and we can unblock it as soon as possible.

I’m thinking maybe this chip is the part of the circuit that converts 12v from the main output down to 5v. My device is a smd and its 16pin, however I think its just a diffo package of the same chip. Those white rectangles, southeast of the “1D4” chip, 1001d, be opto isolators. I labeled the 3 chips, however I have only been able to tell that the one in the middle is an op amp, the other two are perhaps marked with some dell proprietary nomenclature, I am not sure.

Potentiometer Questions Started by norbss Yesterday at Check out what this guy oztules writes in this topic. He explains the function of these chips, 1001rl provides some schematics.

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Then get out yer ohmmeter, put it on gabeepen tooter, and start buzzing. Forums New posts Search forums.

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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.

You should only need an amp or two extra, and those IC’s will output quite a bit more than rated in short bursts. Submit a new link.

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Articles Top Articles Search resources. Click here to register now. I want datashwet convert an atx power supply so that it has a single output, about 6v to 18v and be controlled from a dc voltage power aupply for a ventilation fan.

I was trying to find the PWM Chip on any of them so I could attempt to disable it like this guy has done: Those chips are proprietary chips made by Delta and there is no datasheet for them. Keep brand wars to a minimum.

Any ideas on where it is or what I should be looking for? Thread starter dr pepper Start date Aug 24, That’s what yer lookin’ for, right there.

1001DL PDF Datasheet Search Results

The LM is an opamp, as you say. And what section of the circuit needs to know this?

I had this issue when trying the same thing on a smaller Delta powersupply. Dataseet continuing to use this dztasheet, you are consenting to our use of cookies. This chip is almost universally used in SMPS because a everybody else’s supply uses it; b it works so datashete well; c it’s part of the example circuit on all SMPS power supply controller datasheets; d it’s so damn cheap.

Power, electronics, electromagnetics, semiconductors, software engineering, embedded systems – it’s all fair game! ECE subscribe unsubscribe 60, readers users here now Discuss anything related to the field of Electrical and Computer Engineering.

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If the problem is truly an engineering problem, we’ll allow it, but fixing your laptop or a cracked LCD screen doesn’t qualify. If you do a google image search on DNA and DNA you will find some schematics, any you may be able to piece together some info on those.

Buck switchers should work, either a boost converter or a step down in this situation.

I remember your last thread. Welcome to our site! We won’t do your homework for you. Use of this site constitutes acceptance of our User Agreement and Privacy Policy. Become a Redditor and subscribe to one of thousands of communities. Why, the pulse width modulator, of course!

Not sure whether the regulation is on 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 dxtasheet 12v rail. But what Catasheet need to know is where the PWM control chip is so I can try to disable the overcurrent protection on it. Theres another device in there on the high voltage side I’ll look into what that chip is next. The thing I dont get right now is that the chip is on the low voltage side on the ferrite tranny.

Pc power supply dna ic | Electronics Forum (Circuits, Projects and Microcontrollers)

I think I’ll pull another psu out of my stack of scrap bits and look at that one. Submit a new text post. Want to add to the discussion? Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at