RT4805 Datasheet - Richtek Technology

RT4805, Synchronous Boost Regulator

RT4805 2.5MHz, Synchronous Boost Regulator with Bypass Mode General .
The RT4805 allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the r.

Features

* 4 Few External Components: 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 3.2V
* VSEL = H 3.4V
* Maximum Continuous Load Current: 2A at VIN > 2.65V Boosting VOUT to 3.35V
* Up

Applications

* Single-Cell Li-Ion, LiFePO4 Smart-Phones or Tablet
* 2.5G/3G/4G Mini-Module Data Cards Simplified Application Circuit + CIN - L1 RT4805 VIN VOUT LX VSEL EN nBYP SDA SCL PGOOD AGND PGND COUT To pull high voltage Copyright © 2015 Richtek Technology Corporation. All rights reserv

RT4805-RichtekTechnology.pdf