Description
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.
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 Volta.
LM3279-etcTI.pdf
