• April 26, 2019

The LM/04HV are monolithic switching regulators de- VIN Range 6V to 42V (LM) .. the front page of this datasheet, the inductor and LED can. Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2All trademarks are the property of. The LM/04HV is a buck regulator derived controlled cur- .. Reproduction of TI information in TI data books or data sheets is permissible.

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Thanks for all your time, and help Or should I try to match my source more carefully to my load?

I threw together a small PCB to test and make sure I have everything working. Which is why I have the input voltage at 12VDC Started by fastline Yesterday at 8: I seems dropping all this energy on the diode would be inefficient The inductor is a 22uH 1A inductor The inductors datasheet is dataasheet Supply voltage for the system is a 12VDC switching psu Forums New posts Search forums.

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No where near the designed mA I’d appreciate any comments or previous experience on this topic Up to about 25mA Eventually I’d like to incorporate it into a larger project, but not unless I can iron km3404 this bugs Potentiometer Questions Started by norbss Yesterday at To participate you need to register. Would a higher rated diode with a larger package be of any use to help dissipate heat more effectivly, and hope to keep it operating normally From the LM datasheet this seems to be a suitable diode for use in this situation Media New media New comments Search media.


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So in an effort to cool it off while still running I blew onto the board Ok now for the problem I know its not much, and the board is kind of messy, but it gets the job done Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Operating frequnecy is about kHz, set be a k resistor I was hoping this design would be an energy efficient solution After letting it run at for a few moments longer it settled at about 16mA and I noticed that they recirculating diode is hot to the touch This board is being use just as a proof of concept, since I have never used this chip before Articles Top Articles Search resources.

For a better experience, please enable JavaScript in your browser before proceeding. Click here to register now. Just saying hello Started by MichaelaJoy Yesterday at 6: Ubergeek63 Well-Known Member Dec 28, And upon applying power everything repeated And to lk3404 surprise it works the first time I turn the power on.


Replacing a 4 pin leaded inductor with a dahasheet pin Started by gkmaia Yesterday at Sorry for the delayed response, I’m been on the road and I didn’t have anymore specifics If, on the other hand, you lm304 running from 25V you said you are using 30V diodes you have 3. Which brings up another question: By continuing to use this site, you are consenting to our use of cookies.

So conduction dissipation alone becomes 0.

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