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LM109JAN Fiches technique(PDF) 1 Page - Texas Instruments |
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LM109JAN Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 13 page OBSOLETE LM109JAN www.ti.com SNVS379B – NOVEMBER 2005 – REVISED MARCH 2013 LM109JAN 5-Volt Regulator The regulators are essentially blowout proof. Current 1 FEATURES limiting is included to limit the peak output current to 2 • Specified to be Compatible, Worst Case, with a safe value. In addition, thermal shutdown is TTL and DTL provided to keep the IC from overheating. If internal • Output Current in Excess of 1A dissipation becomes too great, the regulator will shut down to prevent excessive heating. • Internal Thermal Overload Protection Considerable effort was expended to make these • No External Components Required devices easy to use and to minimize the number of external components. It is not necessary to bypass DESCRIPTION the output, although this does improve transient The LM109 series are complete 5V regulators response somewhat. Input bypassing is needed, fabricated on a single silicon chip. They are designed however, if the regulator is located very far from the for local regulation on digital logic cards, eliminating filter capacitor of the power supply. Stability is also the distribution problems association with single-point achieved by methods that provide very good rejection regulation. The devices are available in two standard of load or line transients as are usually seen with TTL transistor packages. In the solid-kovar TO header, it logic. can deliver output currents in excess of 200 mA, if adequate heat sinking is provided. With the TO power Although designed primarily as a fixed-voltage package, the available output current is greater than regulator, the output of the LM109 series can be set 1A. to voltages above 5V, as shown. It is also possible to use the circuits as the control element in precision regulators, taking advantage of the good current- handling capability and the thermal overload protection. Connection Diagrams Metal Can Packages Figure 1. See Package Number NDT0003A Figure 2. See Package Number K0002C Bottom View Bottom View 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Numéro de pièce similaire - LM109JAN_15 |
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Description similaire - LM109JAN_15 |
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