LM3243 converter equivalent, step-down dc-dc converter.
*1 Input Voltage Range: 2.7 V to 5.5 V
* High-Efficiency PFM and PWM Modes With
Internal Synchronous Rectification
* Analog Bypass Function with Low Dropout
R.
* Cellular Phones
* Hand-Held Radios
* RF PC Cards
* Battery-Powered RF Devices
3 Description
The LM324.
The LM3243 is a DC-DC converter optimized for powering multi-mode 2G, 3G, and 4G RF power amplifiers (PAs) from a single Lithium-Ion cell. The LM3243 steps down an input voltage from 2.7 V to 5.5 V to a dynamically adjustable output voltage of 0.4 V .
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