• Part: RT4805B
  • Description: Synchronous Boost Regulator
  • Category: Voltage Regulator
  • Manufacturer: Richtek
  • Size: 1.41 MB
RT4805B Datasheet (PDF) Download
Richtek
RT4805B

Description

The RT4805B 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.

Key Features

  • Input Voltage Range : 1.8V to 5V
  • Output Range from 2.85V to 4.4V  VSEL = L 3.15V  VSEL = H 3.6V
  • 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
  • Forced Bypass Mode
  • VSEL Control to Optimize Target VOUT
  • Short-Circuit Protection

Applications

  • 2.5G/3G/4G Mini-Module Data Cards