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The LM/LM are monolithic integrated circuits that provide all of the power and data sheet are a family of standard inductors and flyback transformers. Part Number: LM, Maunfacturer: National Semiconductor, Part Family: LM, File type: PDF, Document: Datasheet – semiconductor. LMS-ADJ datasheet, LMS-ADJ pdf, LMS-ADJ data sheet, datasheet, data sheet, pdf, National Semiconductor, SIMPLE SWITCHER Step- Up.

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Adjustable DC-DC Booster- LM2577

Sign up or log in Sign up using Google. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to datsaheet policies. The output switch current has 6A listed as dstasheet absolute max, and 3A operating. Enter your destination to get a shipping estimate. It’s a good habit to get into. But the current isn’t the same because I need about 2.

Question on LM Ask Question.

Non-synchronous rectification Input voltage: This is how a basic boost regulator works. I need to boost a 3V source to 15V and this is nicely done by the product. The output switch can’t handle it. HenryLachica The seller meant exactly what they said. What does the “absolute maximum output switch current” and the “operating maximum switch current” mean?


The next question is can the LM handle more than 3A?

Non-isolated buck Module Rectification: While unlikely here, there could have been changes made, and you wouldn’t know. Finally, let’s do a sanity check with the data you provided. The maximum switch current is exactly that: Only dstasheet users can write reviews. Even if the switch was up to it, the 3V source would have to supply datasueet 20A. Find a different, more modern part with synchronous rectification, and while you’re at it, reevaluate whether you really need to use a 3V source.

Put another way, you’re datasheef 9W into the regulator, and getting 6W of useful power out. You must have JavaScript enabled in your browser to utilize the functionality of this website.

Sign up using Facebook. I can’t see any specifications on the datasheet that refers to the maximum input. Please sign up to the Market mailing list to receive updates on new arrivals, special offers and other discount information.

This module uses the adjustable output version, it would facilitate your application and be your good assistant in your debugging. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Please, log in or register. I only get 0. My Cart – 0 item.


LMS-ADJ Datasheet(PDF) – National Semiconductor (TI)

So what did the seller mean by Input Current: These solar cells need to go inside a solar charger controller that’s why we need to boost it to 12V. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

The other 3W is wasted as heat. See Matt Young’s answer above. Home Questions Tags Users Unanswered. Several things to look at here You may also like. You datazheet simply remove the item from your cart. There are may boost converters available. Satasheet up using Email and Password. There is a very good chance that ” is a Chinese counterfeit so the chip specs may be different from the TI part, and the board specs are probably on the optimistic side.