LM340 DATASHEET PDF

LM–XX. Input. Cin*. µF. CO**. Output. 1. MOTOROLA ANALOG IC DEVICE DATA. Three-Terminal Positive. Fixed Voltage Regulators. This family of fixed. the LM is available in the SOT package, as well .. †The specifications for the LMH/ devices are not contained in this datasheet. Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2All trademarks are the property of their respective.

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The output capacitor is more crucial. Its principal role is to provide loop stability for the regulator. Datasheet ds rev 20 may dafasheet further information dattasheet your local stmicroelectronics sales office. Tantalum is an OK choice but is not the best choice. Why does the LM data sheet specifically specify tantalum capacitors?

The input capacitor is not overly critical when the regulator is fed from an already well decoupled system bus. The acceptable range of ESR plotted versus load datashet is shown in Figure Although designed primarily as a fixed voltage regulator, these devices can be used with external components to obtain adjustable voltages and currents.

ESR of ceramics is apparently very low, whereas for electrolytics, it increases over time. Lm three terminal positive fixed voltage regulators components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes.

I understand the need for the capacitors, but it’s not clear to me why these should specifically be tantalum. The active regulator can work to reduce this ripple, but it is nice to not have your filter capacitor adding to the problem you want it to fix. The ESR of the output capacitor will cause loop instability if it is too daatasheet or too low. I’ve read this dataseet many times – “maintain regulator stability”.

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Required ESR is stated as. Sign up using Email and Password. A spike more than a small fraction above a tantalum capacitor’s rated value risks it’s total destruction in a high energy circuit, such as this one is. This requirement could be met by an aluminum wet electrolytic cap or a ceramic cap. A naive passerby like myself datashest expect lower series resistance to be better.

LM Datasheet(PDF) – ON Semiconductor

The output capacitor is “safe” against spikes in most cases. Download young and valentine’s day movie free novamov Blackberry l340 software download verizon The hundred 05 vostfr saison 3 episode 23 download vf Ebook kata hati sedih banget Sweet november le film complet en francais Download ufo wardriving 3 Love boat season 7 episode 7 Frasier agents in america part 3 full download Harcourt grade 2 math workbook According to eatasheet season 2 free download Download new years celebration free downloading Ar books 2nd grade level Publish a book at 13 Levels of life julian barnes free ebooks Harcourt grade 2 math workbook.

No normal filter cap would tolerate this without impaired functionality. The characteristics of aluminum wet electrolytic capacitors of the correct capacitance and voltage rating are well suited to the output capacitor’s role. The overall feedback is described by a transfer function involving the components involved.

These three—terminal regulators employ internal current limiting, thermal shutdown, and safe—area compensation.

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Spikes above rated value will produce a literally flaming melt down. Russell McMahon k 9 A regulator is essentially a feedback controlled power amplifier. XX these two digits of the type number indicate voltage.

LM(TO-3) NTE Equivalent NTEK VOLTAGE REGULATOR PO – Wholesale Electronics

The output capacitor is NOT a filter capacitor in any traditional sense. Required ESR is stated as 0. Output 1 2 3 Heatsink surface is connected to Pin 2.

What would be an example of an unstable regulator? Sign up or log in Sign up using Google.

National Semiconductor

An eg 10 ohm resistor could be placed in series with the capacitor without impeding its functionality. Tantalum serves no technical purpose here. A tantalum capacitor is not required to meet this specification.

If needed, use a 0. The input capacitor is at risk from “bad behavior” from other parts of the system. MattYoung And how long do you think that edit would last? Also, how exactly does the ESR come into play here? And one final note, did you refer to the ripple voltage on the cap being large even for small currents as an inherent issue due to the small size? This series of devices can be used with a series—pass transistor to. An integrated circuit or monolithic integrated circuit also referred to as an ic, a chip, or a microchip is a set of electronic circuits on one small plate chip of semiconductor material, normally silicon.

Average Temperature Coefficient of Output Voltage.