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LMCT/NOPB Texas Instruments LDO Voltage Regulators 1A LDO REG datasheet, inventory, & pricing. 1A LDO REG. Datasheet: . Documents (5). Low drop-out voltage regulator. Order code. Manufacturer code. Description. LMCT LMCT-5 1A REGULATOR (RC). LMCT-5 -. The LM/LMC positive voltage regulator features the ability to source 1A of output current with a dropout voltage of typically V and a .

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Your use of Yahoo! Did you take steps to obtain caps with appropriate ESR?

The acceptable range of ESR plotted versus load current is shown in the graph below. Do you know about how much output current you have?

Hi Daniel, Just checked the datasheet http: That would work alright. Another data sheet says 0.

What are the caps on the BS2P40 demo board? The time now is Bob Edit oops Bruce has just giving this info.

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LM2940CT-5 PDF Datasheet浏览和下载

Friday, December 05, Does it have a backlight? Furthermore, hidden in the ap note the ones that I have seen is an admonition to have a minimum current load. The burn your finger kind of hot. Should I use some other voltage regulator? The power in Watts being dissipated within the regulator is the voltage datasjeet across the regulator times the current passing through catasheet.

I believe the data sheets show a 0. It’s interesting that mine datssheet this hot when I have seen schematics using the same setup, with a 10uf cap even. Larger values of output capacitance will give improved transient response. Photos – easier uploading and sharing. Results 1 to 5 of 5. The ESR of the output capacitor will cause loop instability if it is too high or too low. Hi John, What is the input voltage to the regulator — can you measure it?

LMct gets HOT quick. — Parallax Forums

Basic Stamp List Subject: Regards, -Bruce tech at rentron. Sign In or Register to comment. Thanks, John In basicstamps yahoogroups.

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Hello, All I have is a cap datashete the output and ground at 22uf. Many of the regulators require capacitance on the input and output to minimize oscillation.

Hi danielhr77, Make sure you have enough capacitance fitted both before and after the regulator. If you aren’t running very much current, and your Vin isn’t too high, a small clip-on heat sink can significantly reduce the regulator’s temperature.

LM2940ct 5.0 gets HOT quick.

Comments 10 Comments sorted by Date Added Votes. Let us know if this solves the problem? Just in case, tried another one, nothing happened. Check your caps, it might be leaky.