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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If you have a related question, please click the ” Ask a related question ” button in the top right corner. The newly created question will be automatically linked to this question. The schematic for my circuit is shown below.

When lm596 down with a load of greater than 35 ohms the chip regulates the output voltage, but under 35 ohms the output voltage drops. Why is it doing this? I am not sure what your top FB resistor value is? If so that would give a Vout of I have attached a Webench design.

Webench uses a much bigger inductor; you might want to try that. If you have further questions related to this thread, you may click “Ask a related question” below.

In reply to L,2596 De Stasi:. The input voltage range is V. The load range is 10mA to 1.


The output voltage There are two resistors being used for the FB resistor. The combined value is We’re going to purchase the uH inductor to try that as you have suggested. The lime green wire that spans the proto-board from bottom to top is the input voltage line. The load in the picture is 1k.


In reply to Laura Vorster:. I would hold off on buying the bigger inductor for now. It looks like that your layout may be the issue.

Please send your shipping address and a phone number to the following email: You may have to bend the leads a little and cut the leads of the through hole components short to fit on the PCB. Locked Cancel Do you have another question? We are glad that we were able to resolve this issue, and will now proceed to close this thread.

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LM2596 ADJ Vout drops with a Low Load

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Go to Support forums. Due to the holidays, responses may be delayed. This thread has been locked. Apr 8, 3: Apr 8, 4: What is your input voltage range and load range? You may be running into current limit or duty cycle limits. Axj layout is also very important.

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Please send a snapshot of your layout. I have attached a Webench design for this output and some assumed inputs and load. Do you have another question? Ask a related question Ask a new question. Apr 8, 8: In qdj to Frank De Stasi: In reply to Laura Vorster: Trademarks Privacy Policy Terms of Use.