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SGM2578A - Load Switch

General Description

The SGM2578A is a single load switch with reverse current protection function.

The device can operate from 1V to 5.5V single supply and has the ability to drive up to 2A continuous current.

The device contains a 30mΩ low RON N-MOSFET controlled by the ON pin.

Key Features

  • Input Voltage Range: 1V to 5.5V.
  • Low On-Resistance.
  • RON = 29mΩ at VIN = 4.35V.
  • RON = 30mΩ at VIN = 3.3V.
  • RON = 36mΩ at VIN = 1.0V.
  • Low Shutdown Current: 90nA (TYP).
  • Maximum Continuous Current: 2A.
  • Reverse Current Protection When Disabled.
  • Low Threshold 1.8V GPIO Control Input.
  • Bidirectional Power Supply for Power Zone.

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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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SGM2578A 5.5V, 2A, 30mΩ RON Load Switch with Reverse Current Protection GENERAL DESCRIPTION The SGM2578A is a single load switch with reverse current protection function. The device can operate from 1V to 5.5V single supply and has the ability to drive up to 2A continuous current. The device contains a 30mΩ low RON N-MOSFET controlled by the ON pin. If the power supply is turned on for the first time, a smart pull-down resistor is used to float the ON pin until the system is stable. Once the ON pin reaches a high voltage (> VIH), the pull-down resistor is disconnected, then the standby current is very low and power loss can be reduced. The small package and low RON make the device very suitable for space limited, battery powered applications.