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LM3253 High-Current Step-Down Converter

LM3253 Description

LM3253 www.ti.com SNVS791Q * FEBRUARY 2012 * REVISED MAY 2013 LM3253 High-Current Step-Down Converter for 2G/3G/4G RF Power Amplifi.
The LM3253 is a DC-DC converter optimized for powering multi-mode 2G/3G/4G RF power amplifiers (PAs) from a single Lithium-Ion cell.

LM3253 Features

* 1
* 2 High-Efficiency PFM and PWM Modes with Internal Synchronous Rectification
* Analog Bypass Function with Low Dropout Resistance (45 mΩ typ. )
* Dynamically Adjustable Output Voltage, 0.4V to 3.6V (typ. ), in PFM and PWM modes
* 3A Maximum Load Current in PWM Mode

LM3253 Applications

* USB Datacards
* Cellular Phones
* Hand-Held Radios
* RF PC Cards

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High-Current Step-Down Converter Texas Instruments
Texas Instruments LM3253-like datasheet