AS1323 - Evaluation Board
Application Note
General Description
Board Description
Figure 1: Board Description
Figure 2: Board Description
Connector Description
Label
Name
Description
Info
A
B
C
D
D
VBatt
GND
GND
SDI
VOUT
Input Voltage
Ground
Ground
Shutdown Input
Power Output Connector
Input voltage ranging from 0.7V to 5V.
GND “B” & “C” are connected together.
0: Shutdown mode
1: Normal operating mode
Jumper Description
Label
Name
Description
Info
F
VBatt
SDI
GND
Normal operating mode
Enable Jumper
Use connector SDI “D” for shutdown
Shutdown mode
Measurement Points Description
Label
Name
Description
Info
J
G
H
I
GND
VBatt
Coil
Vout
Power Supply Connectors for
VBATT and Ground.
External Conductor
Power Output Connector
Operational sequence
This evaluation board comes with the AS1323 soldered on. The output voltage is set to the default 2.7, 3.0 or
3.3V depending on the evaluation board ordered. For information which part is soldered on your board please
see the ordering information in the
datasheet
for the chip marking.
1.
2.
3.
If not present get the
datasheet
for the
AS1323
from
www.austriamicrosystems.com.
Drive the IC on the
Demoboard only with the recommended settings and values as described in the datasheet.
Connect a +0.7V to 2V power supply (VBatt
“A”
and GND
“B”).
Perform measurements at the measurement points
“G”
to
“J”.
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
AS1323 - Evaluation Board
Application Note
Copyright
Copyright © 1997-2007, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, 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.
Diclaimer
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 lifesustaining 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
www.austriamicrosystems.com
Revision 1.00
4-4
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