AS1369 - Demo Board Manual Low Dropout Regulator Demo Board Manual AS1369 200mA, Ultra-Compact Low Dropout Regulator www.austriamicrosystems.com/LDO/AS1369 www.austriamicrosystems.com Revision 1.00 1-4 AS1369 - Demo Board Manual Low Dropout Regulator General Description Board Description G G A C H I B D E F Figure 2: Board Description – Measurement Points Figure 1: Board Description - Connectors Connector Description Label Name Description Info A Vin Supply Voltage B EN Active High Enable Input C D Vout GND Output Voltage Ground Supply voltage ranging from 2.0V to 5.5V VEN ≥ 1.2V: Vout is enabled VEN ≤ 0.4V: Vout is disabled This pin must not float! Output voltage ranging from 1.2V to 5.0V Measurement Point Description Label Name Description Info ON: The AS1369 is enabled. EN E Load GND IN OUT F G H I OFF; The AS1369 is disabled. Enable No Jumper: Connect a valid enable signal via external connector “B”. Jumper for resistive load Load Ground Input Voltage Output Voltage Measurement Points Bill of Materials Ref. Function C1 Input Capacitor C2 Output Capacitor U1 LDO Value 10µF 4.7µF marking: ASxx www.austriamicrosystems.com Description Manufacturer Mfg. Order Nr. 0805 / X5R / 16V Murata GRM21BR71H474KA88 0805 / X5R / 16V 8-pin WL-CSP 1.515x1.625x0.6mm Murata GRM21BR71H474KA88 Austriamicrosystems AG AS1369-BWLT-xx Revision 1.00 2-4 AS1369 - Demo Board Manual Low Dropout Regulator Layout of Demo Board Board schematics and layout Figure 3: Schematics Figure 4: Top + Bottom Layer www.austriamicrosystems.com Revision 1.00 3-4 AS1369 - Demo Board Manual Low Dropout Regulator Copyright Copyright © 1997-2010, austriamicrosystems AG, Tobelbaderstraße 30, 8141 Unterpremstätten - Graz, Austria Europe. 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 Tobelbaderstraße 30 A-8141 Unterpremstätten - Graz, 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 www.austriamicrosystems.com Revision 1.00 4-4