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LM109JAN Fiches technique(PDF) 1 Page - Texas Instruments

No de pièce LM109JAN
Description  LM109JAN 5-Volt Regulator
Download  13 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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LM109JAN Fiches technique(HTML) 1 Page - Texas Instruments

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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.


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