LM3253 converter equivalent, high-current step-down converter.
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*2 High-Efficiency PFM and PWM Modes with Internal Synchronous Rectification
* Analog Bypass Function with Low Dropout Resistance (45 mΩ typ.)
* Dynamically.
* USB Datacards
* Cellular Phones
* Hand-Held Radios
* RF PC Cards
* Battery-Powered RF Devices
DES.
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. The LM3253 steps down an input voltage from 2.7V to 5.5V to a dynamically adjustable output voltage of 0.4V to 3.6V. .
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