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AAT4674 - Power Supply Selector Switch

General Description

The AAT4674-1 is a member of Skyworks' Application Specific Power Management SmartSwitch™ family.

This device is a dual input single output power supply selector switche designed to operate from batteries, or any other power supply with an input voltage up to 6V.

Key Features

  • Input Voltage Supply Range: 2.5V to 6V.
  • High Level of Integration:.
  • Reverse Blocking Diode.
  • Current Sensing.
  • Programmable Current Limit.
  • Single Control Pin Switching.
  • Break-Before-Make Switch-Over.
  • Minimum Output Voltage Drop During Change-Over.
  • Shutdown Current < 1μA.
  • Thermal Protection.
  • TSOPJW-12 Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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General Description The AAT4674-1 is a member of Skyworks' Application Specific Power Management SmartSwitch™ family. This device is a dual input single output power supply selector switche designed to operate from batteries, or any other power supply with an input voltage up to 6V. The AAT4674-1 connects the supply voltage on IN1 to OUT, or IN2 to OUT, through a very low RDS(ON) power MOSFET that minimizes voltage drops and power dissipation. The enable (EN) and select (SEL) pin voltages control the operational state of the internal power MOSFET switches. Once enabled, the SEL pin will switch between the IN1 and IN2 inputs. If both input voltages are below the UVLO, then the AAT467-1 output floats.