LM3218 Step-Down DC-DC Converter

National Semiconductor

Description

LM3218 650 mA Miniature, Adjustable, Step-Down DC-DC Converter with Integrated Inductor for RF Power Amplifiers January 21, 2009 LM3218 650 mA Minia.
The LM3218 is a DC-DC converter with inductor which is optimized for powering RF power amplifiers (PAs) from a single Lithium-Ion cell.

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Datasheet Specifications

Part number: LM3218
Manufacturer: National Semiconductor
File Size: 4.22 MB
Datasheet: LM3218_NationalSemiconductor.pdf
Description: Step-Down DC-DC Converter

Features

* Includes 2.6 µH Inductor in very small form factor (3mm x
* 2.5mm x 1.2mm) 2 MHz (typ. ) PWM Switching Frequency Operates from a single Li-Ion cell (2.7V to 5.5V) Adjustable Output Voltage (0.8V to 3.6V) Fast Output Voltage Transient (0.8V to

Applications

* with a reduced footprint (3mm x 2.5mm x 1.2mm). Fixed-frequency PWM operation minimizes RF interference. A shutdown function turns the device off and reduces battery consumption to 0.01 µA (typ. ). The LM3218 is available in an integrated inductor 8
* pin LTCC package. A high switching frequenc

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LM3218 Step-Down DC-DC Converter National Semiconductor

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