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LM140LA-5.0 Scheda tecnica(PDF) 1 Page - Texas Instruments

Il numero della parte LM140LA-5.0
Spiegazioni elettronici  LM140LQML Series 3-Terminal Positive Regulators
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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LM140LA-5.0 Scheda tecnica(HTML) 1 Page - Texas Instruments

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LM140LQML
www.ti.com
SNVS381A – MARCH 2006 – REVISED MAY 2013
LM140LQML Series 3-Terminal Positive Regulators
Check for Samples: LM140LQML
1
FEATURES
DESCRIPTION
The
LM140L
series
of
three
terminal
positive
2
Line Regulation of 0.04%/V
regulators is available with several fixed output
Load Regulation of 0.01%/mA
voltages making them useful in a wide range of
Output Voltage Tolerances of ±2% at Tj = 25°C
applications. The LM140LA is an improved version of
and ±4% over the Temperature Range
the LM78LXX series with a tighter output voltage
tolerance (specified over the full military temperature
Output Current of 100 mA
range), higher ripple rejection, better regulation and
Internal Thermal Overload Protection
lower quiescent current. The LM140LA regulators
Output Transistor Safe Area Protection
have ±2% VOUT specification, 0.04%/V line regulation,
and 0.01%/mA load regulation. When used as a
Internal Short Circuit Current Limit
zener diode/resistor combination replacement, the
LM140LA usually results in an effective output
impedance improvement of two orders of magnitude,
and lower quiescent current. These regulators can
provide local on card regulation, eliminating the
distribution problems associated with single point
regulation. The voltages available allow the LM140LA
to be used in logic systems, instrumentation, Hi-Fi,
and other solid state electronic equipment. Although
designed primarily as fixed voltage regulators, these
devices can be used with external components to
obtain adjustable voltages and currents.
With adequate heat sinking the regulator can deliver
100 mA output current. Current limiting is included to
limit the peak output current to a safe value. Safe
area protection for the output transistor is provided to
limit internal power dissipation. If internal power
dissipation becomes too high for the heat sinking
provided, the thermal shut-down circuit takes over,
preventing the IC from overheating.
Output Voltage Options
Device ID
Output Voltage
LM140LA-5.0
5V
LM140LA-12
12V
LM140LA-15
15V
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 © 2006–2013, 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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