AN-1465| Application Note
LM3673 Evaluation Board
LM3673 Evaluation Board
National Semiconductor Application Note 1465 Jose Escobar August 2006
Introduction
The LM3673 evaluation board is a working demonstration of a step down DC-DC converter. This application note contains information about the evaluation board. For further information on buck converter topology, device electrical characteristics, and component selection please refer to the datasheet.
Li-ion battery ranging from 2.7V to 5.5V. The automatic intelligent switching between PFM and PWM provides high efficiency throughout the Iout range. The LM3673 is available in both fixed and adjustable output voltages options ranging from 1.1V to 3.3V in a 5 5-bump micro SMD package.
Operating Conditions
VIN range: 2.7V VIN 5.5V Recommended load current: 0 mA IOUT 350 mA Ambient temperature (TA) range: -30C to +85C Junction temperature (TJ) range: -30C to +125C
General Description
The LM3673, a high efficient step down DC-DC switching buck converter, steps down a constant voltage for cell phones, PDA's, and many other applications from a single
Typical Application
20190715
FIGURE 1. Typical Application Circuit
20190716
FIGURE 2. Typical Application Circuit
AN-1465
2006 National Semiconductor Corporation
AN201907
AN-1465 Application Note national Download PDF
Add this permalink to your bookmarks for future download of AN-1465 ApplicationNote
Permalink: http://application.emcelettronica.com/national/AN-1465
