The LM is a positive voltage regulator capable of sup- plying up to mA of load current. The use of a PNP power transistor provides a low dropout. The LM is a positive voltage regulator capable of sup- plying up to mA of load current The use of a PNP power transistor provides a low dropout voltage . The LM and LM are positive voltage regu- lators capable of supplying up to mA of load current. Both regulators are ideal for converting a .

Author: Nikomuro Vurr
Country: Costa Rica
Language: English (Spanish)
Genre: Literature
Published (Last): 12 February 2014
Pages: 432
PDF File Size: 15.15 Mb
ePub File Size: 18.33 Mb
ISBN: 761-2-16942-473-4
Downloads: 75183
Price: Free* [*Free Regsitration Required]
Uploader: Gakinos

The pads are mixed up. Sign up using Facebook.

Synthesized tuning, Part 2: Losses in inductor of a boost converter 9. Post as a guest Name. Either leave tab floating or better connect them together, exactly as datasheet recommends. Dec 248: I know it’s strange the output will be the curseur of potentiometer.

Do you recommend any other change before i order new version? In fact, if you use DPDT then why do you need negative converter at all?


HTTP This page has been moved

Wrong value with LM Ask Question. Choosing IC with EN signal 2. Heat sinks, Part 2: Pin 8 in voltage input and pin 5 voltage output; isn’t it? Apparently, you didn’t pay attention to many things. How do you get an MCU design to market quickly? The specification you are reading is quiescent current when the regulator is delivering Imax mA or mA output. How reliable is it?

LM from Texas Instruments

Part and Inventory Search. CMOS Technology file 1. With no load the quiescent current is only 2mA. You can just swap the wires with it. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. 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.

Indeed I did not paid attention to this ; I tested with a 10uF cap but I have like a big voltage drop from 12 to 3V when I measure my input and I don’t know why. The pin numbers are correct.


Operating current of 5. The load on the 3.

Only ground routing for LM, as I already mentioned. Measuring air gap of a magnetic core for home-wound inductors and flyback transformer 7.

Is there something wrong? Renan I suspect that is a typo on schematics. Hierarchical block is unconnected 3.

LM2937T – LM2937 500mA Low Dropout Voltage Regulator Datasheet

AF modulator in Transmitter what is the A? Turn on power triac – proposed circuit analysis 0. Maple dataeheet, 2 3 Also, it is bad idea to use internal connection between tab and ground pins of LM Besides, the pads on PCB are obviously for large electrolytic. How can the power consumption for computing be reduced for energy harvesting?