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Started by fastline Yesterday at 8: Check out what this guy oztules writes in this topic.

ic+dl datasheet & applicatoin notes – Datasheet Archive

I was trying to find the PWM Chip on any of them so I could attempt to disable it like this guy has done: My device is a smd and its 16pin, however I think its just a diffo package of the same chip. Theres another device in there on the high voltage side I’ll look into what that chip is next.

For a better experience, please enable JavaScript in your browser before proceeding. I want to 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.

Without knowing for sure i can’t find any hints when googlingit would be my initial guess that the DL is a power-factor correction IC, while the DS is the PWM system. Send the moderators a message and dahasheet can unblock it as soon as possible. Discuss anything related to the field of Electrical and Computer Engineering. 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 the 12v rail.

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DL Datasheet, PDF – Datasheet Search Engine

Become a Redditor and subscribe to one of thousands of communities. Those white rectangles, southeast of the “1D4” chip, might be opto isolators. Media New media New comments Search media. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Forums New posts Search forums. You must log in or register to reply here. And what section of the circuit needs to know this?


I think I’ll pull another psu out of my stack of scrap bits and look at that one. SMPS use a TL to detect the output voltage and report back via an optocoupler whether the output voltage is too datazheet or too high. Any ideas on where it is or what I should be looking for? However Datashee am struggling to identify where it is on the pcb. It was probably caught by reddit’s spam filters. I remember your last thread. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.

Can’t find your submission? I’m thinking that theres a feedback resistor divider and a datashewt voltage that I can tap into to adjust the output. 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. Electro Tech is an online community 1010dl overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

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Pc power supply dna1002 ic

By continuing to use this site, you are consenting to our use of cookies. Just saying hello Started by MichaelaJoy Yesterday at 6: This chip is almost universally used dataseet SMPS because a everybody else’s supply uses it; b it works so damn well; c it’s part of the example circuit on all SMPS power supply controller datasheets; d it’s so damn cheap.

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. If you have specific, targetted questions regarding homework, we will help you out only if you have provided some beginning work. That’s what yer lookin’ for, right there. Pc power supply dna ic. 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.

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Welcome to our site! We won’t do your homework for you. Articles Top Articles Search resources. But what I need to know is where the PWM control chip is so I can try to disable the overcurrent protection on it.

Here is an image of the power supply Check whether there’s a TL nearby. Log in or sign up in seconds.

1001DL PDF Datasheet Search Results

The thing I dont get right now is that the chip is on the low datqsheet side on the ferrite tranny. Different products have different specs – if you’re an engineer, keep discussions purely based on merit.

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? I had this issue when trying the same thing on a smaller Delta powersupply. If the problem is truly an engineering problem, we’ll allow it, but fixing your laptop or a cracked LCD screen doesn’t qualify. Thread starter dr pepper Start date Aug 24, To participate you need to register. He explains the function of these chips, and provides some schematics.

Then get out yer ohmmeter, put it on gabeepen tooter, and start buzzing.