Datasheet Summary
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SNVS791Q
- FEBRUARY 2012
- REVISED MAY 2013
LM3253 High-Current Step-Down Converter for 2G/3G/4G RF Power Amplifiers
Check for Samples: LM3253
Features
- 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
- 2.7MHz (average) PWM Switching Frequency
- Modulated Switching Frequency to Aid Rx
Band pliance
- Operates From a Single Li-ion Cell
(2.7V to 5.5V)
- ACB Reduces Inductor Requirements and Size
- Minimum Total Solution Size by Using Small
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