LM3673 step-down DC-DC converter

National Semiconductor

Description

www.DataSheet4U.com LM3673 2MHz, 350mA Step-Down DC-DC Converter November 2006 LM3673 2MHz, 350mA Step-Down DC-DC Converter General .
The LM3673 step-down DC-DC converter is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.

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Datasheet Specifications

Part number: LM3673
Manufacturer: National Semiconductor
File Size: 6.98 MB
Datasheet: LM3673_NationalSemiconductor.pdf
Description: step-down DC-DC converter

Features

* and performance for mobile phones and similar portable systems. The LM3673 uses intelligent automatic switching between PWM and PFM for better efficiency. During PWM mode, the device operates at a fixed-frequency of 2 MHz (typ). Hysteretic PFM mode extends the battery life by reducing the quiescent

Applications

* Mobile phones PDAs MP3 players W-LAN Portable instruments Digital still cameras Portable Hard disk drives Typical Application Circuits 20183301 FIGURE 1. Typical Application Circuit © 2006 National Semiconductor Corporation 201833 www. national. com www

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LM3673 step-down DC-DC converter National Semiconductor

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