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LM3280

Part Number	LM3280
Manufacturer	National Semiconductor
Description	Adjustable Step-Down DC-DC Converter and 3 LDOs
Published	Feb 19, 2016
Detailed Description	LM3280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management January 2007 LM3280 Adjustable Step-Dow...
Datasheet	LM3280 PDF File

Overview

LM3280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management January 2007 LM3280 Adjustable Step-Down DC-DC Converter and 3 LDOs for RF Power Management General Description The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones.
The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET.
The step down converter's output voltage can be set using an analog input (VCON) for optimizing efficiency of the RF PA at various power levels.
The LDO operates a nominal output voltage of 2.
85V and maximum load current capability of 20mA for a r...

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