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LM3263 - Step-Down DC-DC Converter

General Description

The LM3263 is a DC-DC converter optimized for powering multi-mode multi-band RF power amplifiers (PAs) from a single lithium-ion cell.

The LM3263 steps down an input voltage from 2.7 V to 5.5 V to a dynamically adjustable output voltage of 0.4 V to 3.6 V.

Key Features

  • 1 MIPI® RFFE Digital Control Interface.
  • Operates from a Single Li-Ion Cell: 2.7 V to 5.5 V.
  • Dynamically Adjustable Output Voltage: 0.4 V to 3.6 V (Typical) in PFM and PWM Modes.
  • High-Efficiency PFM and PWM Modes With Internal Seamless Transition.
  • 2.5-A Maximum Load Current in PWM Mode.
  • 2.7 MHz (Typical) Switching Frequency.
  • ACB (Reduces Inductor Requirements and Size).
  • Internal Compensation.
  • Current and Thermal Over.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3263 SNVS837B – JUNE 2013 – REVISED APRIL 2016 LM3263 High-Current Step-Down DC-DC Converter With MIPI® RF Front-End Control Interface for RF Power Amplifiers 1 Features •1 MIPI® RFFE Digital Control Interface • Operates from a Single Li-Ion Cell: 2.7 V to 5.5 V • Dynamically Adjustable Output Voltage: 0.4 V to 3.6 V (Typical) in PFM and PWM Modes • High-Efficiency PFM and PWM Modes With Internal Seamless Transition • 2.5-A Maximum Load Current in PWM Mode • 2.7 MHz (Typical) Switching Frequency • ACB (Reduces Inductor Requirements and Size) • Internal Compensation • Current and Thermal Overload Protection • Very Small Solution Size: Approximately 9.