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RT4805A Key Features

  • 4 Few External ponents : 0.47H Inductor and 0603 Case Size Input and Output Capacitors
  • Input Voltage Range : 1.8V to 5V
  • Output Range from 2.85V to 4.4V
  • VSEL = L 3.6V
  • VSEL = H 3.7V
  • Maximum Continuous Load Current : 2A at VIN > 2.65V Boosting VOUT to 3.35V
  • Up to 96% Efficient
  • True Bypass Operation when VIN > Target VOUT
  • Internal Synchronous Rectifier
  • True Load Disconnect when Shut Down

RT4805A Description

The RT4805A allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By bining built-in power transistors, synchronous rectification, and low supply current; this IC provides a pact solution for systems using advanced Li-Ion battery chemistries.