Logic-Controlled High-Side Power Switch

NX5P2925CUK

The NX5P2925C is a high-side load switch which features a low ON resistance N-channel MOSFET with controlled slew rate that supports 2.5 A of continuous current. Designed for operation from 0.8 V to 5.5 V, it is used in power domain isolation applications to reduce power dissipation and extend battery life. The enable logic includes integrated logic level translation making the device compatible with lower voltage processors and controllers. The NX5P2925C is ideal for portable, battery operated applications due to low ground current.

NX5P2925C features reverse current protection (RCP) circuits. If VOUT exceeds VIN by 25 mV, the RCP circuit isolates VOUT from VIN, preventing damage to devices on the input side of the switch.

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Block Diagram

NX5P2925C Block Diagram

NX5P2925C Block Diagram
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Features

  • Wide supply voltage range from 0.8 V to 5.5 V
  • Very low ON resistance:
    • 18 mΩ (typical) at a supply voltage of 1.2 V
    • 18 mΩ (typical) at a supply voltage of 1.8 V
  • High noise immunity
  • High current handling capability (2.5 A continuous current)
  • Reverse current protection
  • Turn-on slew rate limiting
  • ESD protection:
    • HBM JESD22-A114F Class 3A exceeds 5000 V
    • CDM AEC-Q100-011 revision B exceeds 1000 V
  • Specified from -40 °C to +85 °C

Target Applications

  • Cell phone
  • Digital cameras and audio devices
  • Portable and battery-powered equipment

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