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TPS2112A Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS2112A
Description  AUTOSWITCHING POWER MUX
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS2112A Datasheet(HTML) 1 Page - Texas Instruments

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TPS2112A
TPS2113A
SBVS045A − MARCH 2004 − REVISED FEBRUARY 2006
AUTOSWITCHING POWER MUX
FEATURES
D Two-Input, One-Output Power Multiplexer
With Low rDS(on) Switches:
− 84 m
Ω Typ (TPS2113A)
− 120 m
Ω Typ (TPS2112A)
D Reverse and Cross-Conduction Blocking
D Wide Operating Voltage Range . . . .2.8 V to
5.5 V
D Low Standby Current . . . . 0.5-µA Typ
D Low Operating Current . . . . 55-µA Typ
D Adjustable Current Limit
D Controlled Output Voltage Transition Times,
Limits Inrush Current and Minimizes Output
Voltage Hold-Up Capacitance
D CMOS- and TTL-Compatible Control Inputs
D Auto-Switching Operating Mode
D Thermal Shutdown
D Available in TSSOP-8 and 3mm x 3mm SON-8
Packages
APPLICATIONS
D PCs
D PDAs
D Digital Cameras
D Modems
D Cell Phones
D Digital Radios
D MP3 Players
STAT
EN
VSNS
ILIM
IN1
OUT
IN2
GND
1
2
3
4
8
7
6
5
PW PACKAGE
(TOP VIEW)
IN1
OUT
IN2
GND
8
7
6
5
STAT
EN
VSNS
ILIM
1
2
3
4
DRB PACKAGE
(TOP VIEW)
GND
DESCRIPTION
The TPS211xA family of power multiplexers enables seamless transition between two power supplies, such as a battery
and a wall adapter, each operating at 2.8−5.5 V and delivering up to 1 A. The TPS211xA family includes extensive protection
circuitry, including user-programmable current limiting, thermal protection, inrush current control, seamless supply
transition, cross-conduction blocking, and reverse-conduction blocking. These features greatly simplify designing power
multiplexer applications.
TYPICAL APPLICATION
STAT
EN
VSNS
ILIM
IN1
OUT
IN2
GND
1
2
3
4
8
7
6
5
TPS2113APW
0.1
µF
0.1
µF
CL
RL
IN1: 2.8 − 5.5 V
IN2: 2.8 − 5.5 V
RILIM
R1
Switch
Status
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
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.
All trademarks are the property of their respective owners.
www.ti.com
Copyright
 2004−2006, Texas Instruments Incorporated


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