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ISL91133 Key Features

  • Input voltage range: 2.35V to 5.4V
  • Output current: up to 2.3A (VIN = 2.5V, VOUT = 3.3V)
  • Burst current up to 2.5A (VIN = 2.5V, VOUT = 3.3V
  • High efficiency: up to 96%
  • 2.5MHz switching frequency minimizes external ponent
  • Forced Bypass or Auto Bypass modes with a 38mΩ switch
  • PFM mode at light load currents
  • Fully protected for overcurrent, over-temperature, and
  • Load disconnect when disabled
  • Small 1.78mmx1.78mm WLCSP

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ISL91133 Description

DATASHEET ISL91133 High Efficiency 2.3A Boost Regulator with Input-to-Output Bypass FN8680 Rev 1.00 Jul 12, 2018 The ISL91133 is an integrated boost switching regulator for battery powered applications. The device provides a power supply solution for products using a one cell Li-ion or Li-polymer battery. The device is capable of delivering up to 2.3A output current from VIN = 2.5V and VOUT = 3.3V.