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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LM323K Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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LM323K Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
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1 / 8 page  LM123/LM323A/LM323 3-Amp, 5-Volt Positive Regulator General Description The LM123 is a three-terminal positive regulator with a pre- set 5V output and a load driving capability of 3 amps. New circuit design and processing techniques are used to provide the high output current without sacrificing the regulation characteristics of lower current devices. The LM323A offers improved precision over the standard LM323. Parameters with tightened specifications include output voltage tolerance, line regulation, and load regulation. The 3 amp regulator is virtually blowout proof. Current limit- ing, power limiting, and thermal shutdown provide the same high level of reliability obtained with these techniques in the LM109 1 amp regulator. No external components are required for operation of the LM123. If the device is more than 4 inches from the filter ca- pacitor, however,a1µF solid tantalum capacitor should be used on the input. A 0.1 µF or larger capacitor may be used on the output to reduce load transient spikes created by fast switching digital logic, or to swamp out stray load capaci- tance. An overall worst case specification for the combined effects of input voltage, load currents, ambient temperature, and power dissipation ensure that the LM123 will perform satis- factorily as a system element. For applications requiring other voltages, see LM150 series adjustable regulator data sheet. Operation is guaranteed over the junction temperature range −55˚C to +150˚C for LM123, −40˚C to +125˚C for LM323A, and 0˚C to +125˚C for LM323. A hermetic TO-3 package is used for high reliability and low thermal resistance. Features n Guaranteed 1% initial accuracy (A version) n 3 amp output current n Internal current and thermal limiting n 0.01 Ω typical output impedance n 7.5V minimum input voltage n 30W power dissipation n P + Product Enhancement tested Connection Diagram Typical Applications Metal Can Package DS007771-2 Order Number LM123K STEEL, LM323AK STEEL or LM323K STEEL See NS Package Number K02A Order Number LM123K/883 See NS Package Number K02C Basic 3 Amp Regulator DS007771-3 *Required if LM123 is more than 4" from filter capacitor. †Regulator is stable with no load capacitor into resistive loads. April 1998 © 1999 National Semiconductor Corporation DS007771 www.national.com |
Podobny numer części - LM323K |
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Podobny opis - LM323K |
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