LM3279 Datasheet (Texas Instruments)

LM3279, Buck-Boost Converter

The LM3279 is a buck-boost DC/DC converter designed to generate output voltages above or below a given input voltage and is particularly suitable for Power Amplifiers operating from single-cell Li-Ion batteries in portable applications.

The LM3279 has four modes of operation: Pulse Width Modulation

LM3279 Features

* 1 MIPI® RFFE Digital Control Interface

* High-Efficiency PFM and PWM Modes with Internal Seamless Transition

* Operates from a Single Li-Ion Cell: 2.7 V to 5.5 V

* Adjustable Output Voltage:

* RFFE Digital Control: 0.4 V to 4.2 V

* Analog Control: 0.5