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NPS4053 Datasheet load switch

Manufacturer: Nexperia

Overview: NPS4053 5.5 V, 55 mΩ load switch with precision adjustable current limit Rev. 2 — 20 October 2023 Product data sheet 1.

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General Description

The NPS4053 is a 5.5 V, 55 mΩ load switch with precision adjustable current limit from 110 mA to 2.5 A.

The NPS4053 switch limits the output current to a constant current by using a constant-current mode when the output load exceeds the current limit threshold or shorted.

An internal voltage comparator disables the load switch when the output voltage is higher than the input to protect devices on the input side of the switch.

Key Features

  • Input operating voltage range (VIN): 2.5 V to 5.5 V.
  • Maximum continuous current (IMAX): 2 A.
  • ON resistance (RDS(on)):.
  • VIN = 5.5 V: 55 mΩ (typical).
  • VIN = 3.6 V: 65 mΩ (typical).
  • VIN = 2.5 V: 80 mΩ (typical).
  • Adjustable current limit: 110 mA to 2.5 A.
  • ±6 % current limit accuracy at 1.2 A.
  • ILIM pin protection: can be shorted to ground or left floating.
  • Constant current during current limit.
  • No body.

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