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LM2941MDE Datasheet(PDF) 1 Page - Texas Instruments

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Part # LM2941MDE
Description  1A Low Dropout Adjustable Regulator
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM2941MDE Datasheet(HTML) 1 Page - Texas Instruments

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LM2941QML, LM2941QML-SP
www.ti.com
SNVS390B – AUGUST 2009 – REVISED APRIL 2013
LM2941QML 1A Low Dropout Adjustable Regulator
Check for Samples: LM2941QML, LM2941QML-SP
1
FEATURES
DESCRIPTION
The LM2941 positive voltage regulator features the
2
Available with Radiation Ensure
ability to source 1A of output current with a typical
ELDRS Free 100 krad(Si)
dropout voltage of 0.5V and a maximum of 1V over
Output Voltage Adjustable from 5V to 20V
the
entire
temperature
range.
Furthermore,
a
quiescent current reduction circuit has been included
Dropout Voltage Typically 0.5V at IO = 1A
which reduces the ground pin current when the
Output Current in Excess of 1A
differential between the input voltage and the output
Trimmed Reference Voltage
voltage exceeds approximately 3V. The quiescent
current with 1A of output current and an input-output
Reverse Battery Protection
differential of 5V is therefore only 30mA. Higher
Internal Short Circuit Current Limit
quiescent currents only exist when the regulator is in
Mirror Image Insertion Protection
the dropout mode (VI − VO ≤ 3V).
TTL, CMOS Compatible ON/OFF Switch
Originally designed for vehicular applications, the
LM2941 and all regulated circuitry are protected from
reverse battery installations or two-battery jumps.
During line transients, such as load dump when the
input voltage can momentarily exceed the specified
maximum
operating
voltage,
the
regulator
will
automatically shut down to protect both the internal
circuits and the load. Familiar regulator features such
as short circuit and thermal overload protection are
also provided.
Connection Diagram
Top View
Figure 1. 16-Lead CFP Package
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 © 2009–2013, 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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