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TPS2111A

自动切换电源多路复用器

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 V to 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.

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Two-Input, One-Output Power Multiplexer with

Low rDSon Switches:

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84 m Typ
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120 m Typ TPS2110A
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Reverse and Cross-Conduction Blocking
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Wide Operating Voltage Range: 2.8 V to 5.5 V
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Low Standby Current: 0.5 µA Typ
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Low Operating Current: 55 µA Typ
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Adjustable Current Limit
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Controlled Output Voltage Transition Time:

Limits Inrush Current

Minimizes Output Voltage Hold-Up Capacitance

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CMOS- and TTL-Compatible Control Inputs
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Manual and Auto-Switching Operating Modes
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Thermal Shutdown
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Available in a TSSOP-8 Package
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APPLICA ONS
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PCs
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PDAs
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Digital Cameras
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Modems
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Cell Phones
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Digital Radios
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MP3 Players

All other trademarks are the property of their respective owners

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