PT4115 PDF

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It only takes a minute to sign up. Excuse me if my question is too specific. I've spent hours but no success. I've created exactly the circuit depicted in the datasheet. I have used 0. I've checked all parts a hundred times. But when I put a resistor as the load it seems as if th is short circuit and I get no constant current, for example with 22ohms I get mA instead of expected mA.

I have no experience with buck convertors, what can be wrong? Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 3 years, 6 months ago. Active 3 months ago. Viewed 2k times. This means that the switching action could not be initiated or most likely the IC is kaput. If you see a short then we can say that the IC is broken. I have some suspects, but I wanna see how you made it.

Also, what are you feeding to the DIM pin? It's designed to drive an LED. I replaced the IC a couple of times. If you have to see it I can upload a picture tomorrow. Active Oldest Votes. A schematic without explanations on why the circuit in the question doesn't work isn't very useful. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast JavaScript is ready to get its own place.

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Designing/chosing components for PT4115 led driver

LED Driver with Dimming. The PT is a continuous conduction mode inductive. The device operates from an input supply between 6V. Depending upon the supply. The PT includes the power switch and a high-side. Applying a voltage of.

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By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It only takes a minute to sign up. Excuse me if my question is too specific. I've spent hours but no success. I've created exactly the circuit depicted in the datasheet. I have used 0.

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PT4115 Driver. Datasheet pdf. Equivalent

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