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LM3203 Datasheet - National Semiconductor

LM3203_NationalSemiconductor.pdf

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Datasheet Details

Part number:

LM3203

Manufacturer:

National Semiconductor

File Size:

1.36 MB

Description:

Step-down dc-dc converter.

LM3203, Step-Down DC-DC Converter

The LM3203 is a DC-DC converter optimized for powering RF power amplifiers (PAs) from a single Lithium-Ion cell.

However, they may be used in many other applications.

It steps down an input voltage of 2.7V to 5.5V to an adjustable output voltage of 0.8V to 3.6V.

The output voltage is set using a VCO

LM3203 Features

* n n n n n n n n n n n 2MHz (typ.) PWM Switching Frequency Operates from a single Li-Ion cell (2.7V to 5.5V) Adjustable Output Voltage (0.8V to 3.6V) 500mA Maximum load capability (PWM and Bypass mode) PWM / Forced Bypass Mode Low RDSON Bypass FET: 85mΩ (typ.) High Efficiency (96% typ. at 3.6VIN, 3.2

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