Part Number: LM, Maunfacturer: Fairchild Semiconductor, Part Family: LM, File type: PDF, Document: Datasheet – semiconductor. executable code (“object code”)), data sheets, BOMs, schematics, application notes, design & development tools, evaluation board material (i.e. BOM, Gerber, . LM datasheet, LM pdf, LM data sheet, datasheet, data sheet, pdf, Contek Microelectronics, 3-terminal 1A negative voltage regulator. Output.

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PDF LM7912 Datasheet ( Hoja de datos )

The LM78S40 from Fairchild is not part of the 78xx family and does not use the same design. Industrial Electronics and Control. Wikimedia Commons has media related to 78xx Series and Voltage regulator circuits. This article needs additional citations for verification.

Meaning it will provide datashwet constant output voltage of V when the input voltage is between Cool Projects for Open Source Hardware. The is the most common, as its regulated 5-volt supply provides a convenient power source for most TTL components. Complete Technical Details can be found at the datasheet given at the end of this page. January Learn how and when to remove this template message.

When you are designing an analog circuitthe circuit might need negative voltage either as a power source or as a reference voltage. LM Applications Constant V output regulator to use as power or reference voltage for analog and digital circuits. It is a component in switching regulator designs and is not a linear regulator like other 78xx devices.


Retrieved from ” https: A very basic Voltage regulator circuit is shown below. LM belongs to the family of Voltage regulators. These devices support an input voltage anywhere from around 2.

The negative output voltage is obtained from the Vo 3rd Pin which is also read using a Multimeter.

In both cases will be an ideal choice when you need a lk7912 12V. Submitted by webmaster on 23 November The value of the capacitors need not be the exact values, you can use the closest value you have got.

TL — Programmable Reference Voltage. In other projects Wikimedia Commons. Some devices provide slightly different voltages than usual, such as the LM78L62 6. Articles needing additional references from January All articles needing additional references. The Input and output capacitors C1 10uF and C2 1uF are used to filter noise from the input and the output voltage respectively.

I have used a Battery to power the IC, but you can use any power source but notice that the supply voltage should be negative. Unsourced material may be challenged and removed. This page was last edited on 5 Decemberat Available in TO catasheet only. Mastering the Raspberry Pi. By using this site, you agree to the Terms of Use and Privacy Daatasheet.


You can also check on 78 series for positive voltage regulators. Views Read Edit View history. The circuit diagram for those can be found at the datasheet given at the end of this page.

LM Pinout, Features, Equivalents & Datasheet

The 78xx family is commonly used in electronic circuits requiring a regulated power supply due to their ease-of-use daatasheet low cost. There is a related line of 79xx devices which are complementary negative voltage regulators. The output current of this IC is upto 1A, however with appropriate heat sink the datasheet says that a peak current of 2.

Hence, I have interchanged the polarity of the battery. From Wikipedia, the free encyclopedia.

LM7912 Datasheet

The 78xx line are positive voltage regulators: For the years, datashert 8th millennium. Please help improve this article by adding citations to reliable sources. There are many other ways in which the IC can be used based on your application. The SR from Datel is a full switching power supply module designed as a drop-in replacement for 78xx chipsand not a linear regulator like the 78xx ICs.

Encyclopedia of Electronic Components Volume 1: