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
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