AS1329 - Evaluation Board Application Note AS1329 Evaluation Board Application Note www.austriamicrosystems.com Revision 1.00 1-4 AS1329 - Evaluation Board Application Note General Description Board Description Figure 1: Board Description - Connector Figure 2: Board Description - Measurements Points Connector Description Label Jumper Description Info A B C Vin GND SHDNN Power Supply Connectors for Vin and Ground. Active-Low Logic Shutdown Input +0.85V to Vout D On / Off SHDNN Shutdown Jumper 0/OFF = The AS1329 is off and the current into Vin is ≤1µA (typ). E Vout Power Output Connector 3.3V = Fixed Output Voltage 3.3V F 3.3V / 5V Output Voltage Jumper 5V = Fixed Output Voltage 5.0V 1/ON = The AS1329 is on. Measurement Points Description Label Jumper Description Info G H I J K L SW Vin GND FB SHDNN Vout External Inductor Power Supply Connectors for Vin and Ground. Feedback Voltage Connector Active-Low Logic Shutdown Input Power Output Connector Measurement Points Operational sequence 1. If not present get the datasheet for the AS1329 from www.austriamicrosystems.com. Drive the IC on the evaluation board only with the recommended settings and values as described in the datasheet. 2. Connect a +0.85V to Vout power supply (Vin “A” and GND “B”). 3. Perform measurements at the measurement points. Have fun using the Demoboard. If there are questions do not hesitate to contact us. See contact information at the end of the application note. www.austriamicrosystems.com Revision 1.00 2-4 AS1329 - Evaluation Board Application Note Layout of demoboard Board schematics and layout Figure 3: Schematics Figure 4: Top view Figure 5: Bottom view Assembly List Label Cin Cout L1 Info Type Manufacturer 22µF, 6.3V, 0805, X5R GRM21BR60J226ME39L Murata 3.3µH, 1.4A, 0.1Ω LPS4012-332MLB Coilcraft www.austriamicrosystems.com Revision 1.00 3-4 AS1329 - Evaluation Board Application Note Copyright Copyright © 1997-2008, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, AustriaEurope. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. All products and companies mentioned are trademarks or registered trademarks of their respective companies. Disclaimer Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. austriamicrosystems AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Austriamicrosystems AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with austriamicrosystems AG for current information. This product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life sustaining equipment are specifically not recommended without additional processing by austriamicrosystems AG for each application. For shipments of less than 100 parts the manufacturing flow might show deviations from the standard production flow, such as test flow or test location. The information furnished here by austriamicrosystems AG is believed to be correct and accurate. However, austriamicrosystems AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of austriamicrosystems AG rendering of technical or other services. Contact Information Headquarters austriamicrosystems AG A-8141 Schloss Premstätten, Austria T. +43 (0) 3136 500 0 F. +43 (0) 3136 5692 For Sales Offices, Distributors and Representatives, please visit: http://www.austriamicrosystems.com/contact-us www.austriamicrosystems.com Revision 1.00 4-4