LD1117 DATASHEET PDF

LD Adjustable and fixed low drop positive voltage regulator. Datasheet – production data. Features. • Low dropout voltage (1 V typ.). The LD is a LOW DROP Voltage Regulator able to provide up to C. The ADJUSTABLE LD is pin to This datasheet has been download from. ld are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for ld

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It is my first question on this site and I’m probably doing something wrong, try to be gentle!

So I’m getting 5V from Arduino and turning it into 3. This is the little guy. The problem is I can’t get it to provide 3.

With no Resistor Load, output is 4. With low Resistor Load 1k Ohm just for the purpose of testing voltage does not keep at 4. I’m starting to think that maybe providing 3.

power – LM followed by LD – Electrical Engineering Stack Exchange

Can someone guess what I am doing wrong with this LD? But some googling found an example of the 3. As such, you have the adjustable version, and by tying the “GND” pin, really the “ADJ” to ground, it defaults to the 1.

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To make it 3. Use a LD calculator if you want to use different value resistors. That’s most likely the adjustable version. This is denoted by a lack of a voltage specified on the front – the 3. Have a read of the datasheetin particular page 12, “LDA adjustable: It tells you precisely how to use just two resistors to set the voltage of the output to whatever it needs to be.

The maths involved isn’t very difficult, but I do find that I’m always fighting a losing battle of what resistors I need vs. To prevent you pulling even more hair out, take a look at this calculator and the associated table of voltages available using standard resistors. It’s saved me hours of time! Don’t worry that it’s for the LMthey’re interchangeable as far as a basic voltage regulator goes.

LD Datasheet(PDF) – STMicroelectronics

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 ld117 these policies. Home Questions Tags Users Unanswered. LD not providing fixed 3. Bruno 50 1 2 6.

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Are you sure you have the 3. Maybe you have the 1. Passerby I can’t say I’m sure, that’s what I asked for at the shop.

How do I identify the version I have? Yes have a look at the datasheet st. No numbers after a regulator part number is a very good indicator that you have an adjustable version.

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