LM are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for LM Texas Instruments LMSX-ADJ/NOPB. Enlarge. LMT-X.X. LMDP-ADJ. SOP8-PP. X.X = Output Voltage = , , The LM series of regulators are monolithic integrated circuits ideally suited. LMS-ADJ/NOPB Texas Instruments | LMS-ADJ/NOPB-ND DigiKey Design Resources, LM Design with WEBENCH® Power Designer. Featured .

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When loaded down with a load of greater than lm25596 ohms the chip regulates the output voltage, but under 35 ohms the output voltage drops. No license, either express or implied, by estoppel or otherwise, is granted by TI. The load in the picture is 1k. Use of the information on this site may require a license from a third party, or a license from TI. I have attached a Webench design for this output and some assumed inputs and load.

In reply to Laura Vorster: Webench uses a much bigger inductor; you might want to try that. It looks like that your layout may be the issue. TI is a global semiconductor design and manufacturing company. I would acj off on buying the bigger inductor for now. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right.


The layout is also very important.

There are two resistors being used for the FB resistor. I am not sure what your top FB resistor value is? All postings and use of the content on this site are subject to the Terms of Use of the site; third parties using this content agree to abide by any limitations or guidelines and to comply with the Terms of Use of this site. Please send a snapshot of your layout. Ask a new question Ask a new question Cancel.

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Do you have another question? The combined value is We’re going to purchase the uH inductor to try that as you have suggested. Go to Support forums. In reply to Frank De Stasi:.

What is your input voltage range and load range? All content and materials on this site are provided “as is”.


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The load range is 10mA to 1. If you have further questions related to this thread, you may click “Ask a related question” below. The newly created question will be automatically linked to lm296 question.


LM2596 ADJ Vout drops with a Low Load

Ask a related question Ask a new question. You may be running into current limit or duty cycle limits. In reply to Laura Vorster:. The schematic for my circuit is shown below. Apr 8, 8: In reply to Frank De Stasi: If so that would give a Vout of Apr 8, 4: You may have to bend the leads a little and cut the leads of the through hole components short to fit on the PCB.

The lime green wire that spans the proto-board from bottom to top is the input voltage line. Please send your lm25596 address and a phone number to the following email: If you have a related question, please click the ” Ask a related question ” button in the top right corner.

Mentions Tags More Cancel. Content on this site may contain or be subject to specific guidelines or limitations on use. The input voltage range is V.