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LM2931T-5.0 Scheda tecnica(PDF) 1 Page - Texas Instruments

Il numero della parte LM2931T-5.0
Spiegazioni elettronici  LM2931-N Series Low Dropout Regulators
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LM2931T-5.0 Scheda tecnica(HTML) 1 Page - Texas Instruments

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LM2931-N
www.ti.com
SNOSBE5G – MARCH 2000 – REVISED APRIL 2013
LM2931-N Series Low Dropout Regulators
Check for Samples: LM2931-N
1
FEATURES
DESCRIPTION
The LM2931-N positive voltage regulator features a
2
Very Low Quiescent Current
very low quiescent current of 1mA or less when
Output Current in Excess of 100 mA
supplying 10mA loads. This unique characteristic and
Input-output Differential Less than 0.6V
the extremely low input-output differential required for
proper regulation (0.2V for output currents of 10mA)
Reverse Battery Protection
make the LM2931-N the ideal regulator for standby
60V Load Dump Protection
power systems. Applications include memory standby
−50V Reverse Transient Protection
circuits, CMOS and other low power processor power
supplies as well as systems demanding as much as
Short Circuit Protection
100mA of output current.
Internal Thermal Overload Protection
Designed originally for automotive applications, the
Mirror-image Insertion Protection
LM2931-N and all regulated circuitry are protected
Available in TO-220, TO-92, TO-263, or SOIC-8
from reverse battery installations or 2 battery jumps.
Packages
During line transients, such as a load dump (60V)
Available as Adjustable with TTL Compatible
when
the
input
voltage
to
the
regulator
can
Switch
momentarily
exceed
the
specified
maximum
operating voltage, the regulator will automatically shut
down to protect both internal circuits and the load.
The LM2931-N cannot be harmed by temporary
mirror-image insertion. Familiar regulator features
such as short circuit and thermal overload protection
are also provided.
The LM2931-N family includes a fixed 5V output
(±3.8% tolerance for A grade) or an adjustable output
with ON/OFF pin. Both versions are available in a
TO-220 power package, DDPAK/TO-263 surface
mount package, and an 8-lead SOIC package. The
fixed output version is also available in the TO-92
plastic package.
Connection Diagrams
FIXED VOLTAGE OUTPUT
Figure 1. TO-220 3-Lead Power Package
Figure 2. DDPAK/TO-263 Surface-Mount Package
Front View
Top View
Figure 3. Side 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 © 2000–2013, 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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