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LM1085 データシート(PDF) 1 Page - Texas Instruments

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部品番号 LM1085
部品情報  The LM1085 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current.
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
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LM1085 データシート(HTML) 1 Page - Texas Instruments

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LM1085
www.ti.com
SNVS038G – JULY 1999 – REVISED MARCH 2013
LM1085 3A Low Dropout Positive Regulators
Check for Samples: LM1085
1
FEATURES
DESCRIPTION
The LM1085 is a series of low dropout positive
2
Available in 3.3V, 5.0V, 12V and Adjustable
voltage regulators with a maximum dropout of 1.5V at
Versions
3A of load current. It has the same pin-out as TI's
Current Limiting and Thermal Protection
industry standard LM317.
Output Current 3A
The LM1085 is available in an adjustable version,
Line Regulation 0.015% (typical)
which can set the output voltage with only two
external resistors. It is also available in three fixed
Load Regulation 0.1% (typical)
voltages: 3.3V, 5.0V and 12.0V. The fixed versions
integrate the adjust resistors.
APPLICATIONS
The
LM1085
circuit
includes
a
zener
trimmed
High Efficiency Linear Regulators
bandgap reference, current limiting and thermal
Battery Charger
shutdown.
Post Regulation for Switching Supplies
The LM1085 series is available in TO-220 and
Constant Current Regulator
DDPAK/TO-263 packages. Refer to the LM1084 for
Microprocessor Supply
the 5A version, and the LM1086 for the 1.5A version.
Connection Diagram
Figure 1. TO-220 Top View
Figure 2. DDPAK/TO-263 Top View
Figure 3. Basic Functional Diagram, Adjustable
Figure 4. Application Circuit
Version
1.2V to 15V Adjustable Regulator
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 © 1999–2013, 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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