Check for Samples: LM, LMN, LMA. In addition to higher −40°C ≤ TJ ≤ +°C, and the LM is rated for 0°C handled. ≤ TJ ≤ +°C. The LM is an adjustable 3-terminal positive voltage . FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE. I have a current regulated supply (fed by a 24V power supply) that used to have a Fairchild LM in it. This supply has a set of switches that let.

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The seller hasn’t fairdhild a postage method to United States. Did you have a large heatsink attached to the ? I haven’t blown one yet, so they must be.

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If the pot wiper contact is dirty it could cause it to open intermittently when it’s being adjusted. And I might add, “and the semiconductors are once again sand”.

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I don’t know if a lack of an input capacitor is your problem though. I did a fairchld look on Digikey and the 1 watt ones I saw were all 9 mm.

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A k ohm or so will control it, and not upset the calibration too much. Fairchild LM dies, takes other parts with it Hi again, Hey ya know, now that i think about it Add to Watch list Watching. We are unable to take any responsibility for any custom delay or tax. Fairchild LM dies, takes other parts with it Hi evan, Sorry to hear about that. Skip to main content. People who viewed this item also viewed. Eventually at board rev time, I used a discrete regulator and never heard from it again.

Doesn’t post to United States See details. Do you plan a mass burial? The and it’s ilk are floating regulators that are not supposed to care about the actual voltage as long as a differential from input to output is less than 40V. My config has two regulators that are daisy chained CC configured regulator feeds the voltage regulated side – it’s not very efficient and has a limited range but it’s fairly inexpensive and does what I want it to.

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Add to Watch list. Bookmarks Bookmarks Digg del. Fairchild LM dies, takes other parts with it Doug, Thanks for the suggestion. Fairchild LM dies, takes other parts with it.

Datasheet «LM350»

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This would cause very high current spikes through a load like a Luxeon. For some reason, after a computer restart I can now see your schematic. Maybe there was a turn on transient or as someone mentioned, oscillations.

In the cases I had to deal with, stray inductance in the power leads did as all inductors do, had zero DC voltage across it but an AC voltage that went to ground Seller assumes all responsibility for this listing. No additional import charges on delivery. The short version is to fix it, I used a 39V Zener around the to limit the differential and ramped the input voltage so the caps had a chance to charge.