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AAT4650 - 5V/3V PC Card Power Switch

Description

The AAT4650 SmartSwitch is a single channel PC card (PCMCIA) power switch.

It is used to select between two different voltage inputs, each between 2.7V and 5.5V.

An internal switch powers the circuitry from whichever input voltage is higher.

Features

  • 2.7V to 5.5V Input Voltage Range.
  • 80m (5V) Typical RDS(ON).
  • Low Quiescent Current 15μA (typ).
  • Reverse-Blocking Switches.
  • Short-Circuit Protection.
  • Over-Temperature Protection.
  • FAULT Flag Output.
  • Temperature Range: -40°C to +85°C.
  • 8-Pin SOP Package.

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Datasheet preview – AAT4650

Datasheet Details

Part number AAT4650
Manufacturer Skyworks Solutions
File Size 418.52 KB
Description 5V/3V PC Card Power Switch
Datasheet download datasheet AAT4650 Datasheet
Additional preview pages of the AAT4650 datasheet.

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Full PDF Text Transcription

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General Description The AAT4650 SmartSwitch is a single channel PC card (PCMCIA) power switch. It is used to select between two different voltage inputs, each between 2.7V and 5.5V. An internal switch powers the circuitry from whichever input voltage is higher. The device’s output, VCC, is slew rate controlled and current limited, in compliance with PC card specifications. The current limit response time to a short circuit is typically 1μs. The internal P-channel MOSFET switches are configured to break before make; that is, both switches cannot be closed at the same time. Controlled by a 2-bit parallel interface, the four states for VCC are VCC5, VCC3, high impedance, or ground. When in the ground state, VCC is pulled to ground by a 5k resistor.
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