Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
LM3279
SNVS970C – MARCH 2013 – REVISED OCTOBER 2014
LM3279 Buck-Boost Converter With MIPI® RFFE Interface for 3G And 4G RF Power
Amplifiers
1 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 V to 4.
2 V • 1-A Maximum Load Capability for VBATT ≥ 3.
2 V, VOUT = 3.
6 V • 2.
4-MHz (typ.
) Switching Frequency • Seamless Buck-Boost Mode Transition • Fast Output
Voltage Transition: 0.
8 V to 4 V in 20 µs •...