AS1323-TT-27_EK_ST

AS1323-TT-27_EK_ST Datasheet

AS1323

Part	Datasheet
AS1323-TT-27_EK_ST	AS1323-TT-27_EK_ST (pdf)

Related Parts	Information
AS1323-BTTT-30	AS1323-BTTT-30
AS1323-BTTT-33	AS1323-BTTT-33
AS1323-BTTT-27	AS1323-BTTT-27
AS1323-TT-30_EK_ST	AS1323-TT-30_EK_ST
AS1323-TT-33_EK_ST	AS1323-TT-33_EK_ST

PDF Datasheet Preview
Datasheet AS1323 1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter 1 General Description The AS1323 high-efficiency step-up DC-DC converter was designed specifically for single-cell, battery-powered devices where lowest quiescent current and high efficiency are essential. The compact device is available in three fixed-voltage variations and is perfect for a wide variety of applications where extremely-low quiescent currents and very-small form factors are critical. The devices are available as the standard products shown in Table See also Ordering Information on page Table Standard Products Model AS1323-27 AS1323-30 AS1323-33 Fixed Output Voltage 2.7V 3.0V 3.3V Package TSOT23-5 TSOT23-5 TSOT23-5 Integrated boot circuitry ensures start-up even with veryhigh load currents. The true output disconnect feature completely disconnects the output from the battery during shutdown. The device is available in a TSOT23-5 pin package. 2 Key Features ! 1.6µA Quiescent Current ! Input Voltage Range to 2V ! Up to 100mA Output Current ! Fixed Output Voltages and 3.3V ! Shutdown Current 0.1µA ! Output Voltage Accuracy ±3% ! Efficiency Up to 85% ! No External Diode or FETs Needed ! Output Disconnect in Shutdown ! Guaranteed 0.95V Start-Up Voltage ! TSOT23-5 Package 3 Applications The devices are ideal for single-cell portable devices including mobile phones, MP3 players, PDAs, remote controls, personal medical devices, wireless transmitters and receivers, and any other battery-operated, portable device. Figure Typical Operating Circuit 10µH VBATT 10µF AS1323 2 VSS 3 SHDNN 4 VOUT 10µF VBATT 1 VSS 2 AS1323 SHDNN 3 4 VOUT 1 - 14 AS1323 Datasheet - Pinout 4 Pinout Pin Assignments Figure Pin Assignments Top View VBATT 1 VSS 2 AS1323 SHDNN 3 4 VOUT Pin Descriptions Table Pin Descriptions Pin Number 1 2 Pin Name VBATT VSS SHDNN VOUT LX Description Battery Supply Input and Coil Connection Negative Supply and Ground Shutdown Input. 0 = Shutdown mode. 1 = Normal operating mode. Output. This pin also supplies bootstrap power to the device. Inductor Connection. This pin is connected to the internal N-channel MOSFET switch drain and P-channel synchronous rectifier drain. Datasheet - Ordering Information 11 Ordering Information The device is available as the standard products shown in Table Table Ordering Information Ordering Code Marking AS1323-BTTT-27 ASJN AS1323-BTTT-30 ASMP AS1323-BTTT-33 ASMQ Output 2.7V 3.0V 3.3V 1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter 1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter 1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter Delivery Form Tape and Reel Tape and Reel Tape and Reel Package TSOT23-5 TSOT23-5 TSOT23-5 Note All products are RoHS compliant and Pb-free. Buy our products or get free samples online at ICdirect: For further information and requests, please contact us or find your local distributor at 13 - 14 AS1323 Datasheet Copyrights Copyright 1997-2009, austriamicrosystems AG, Tobelbaderstrasse 30, 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. 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 Unterpremstaetten, Austria Tel +43 0 3136 500 0 Fax +43 0 3136 525 01 For Sales Offices, Distributors and Representatives, please visit: 14 - 14

PDF Datasheet Preview

Datasheet

AS1323
1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter
1 General Description

The AS1323 high-efficiency step-up DC-DC converter was designed specifically for single-cell, battery-powered devices where lowest quiescent current and high efficiency are essential.

The compact device is available in three fixed-voltage variations and is perfect for a wide variety of applications where extremely-low quiescent currents and very-small form factors are critical.
The devices are available as the standard products shown in Table See also Ordering Information on page

Table Standard Products

Model AS1323-27 AS1323-30 AS1323-33

Fixed Output Voltage 2.7V 3.0V 3.3V

Package TSOT23-5 TSOT23-5 TSOT23-5

Integrated boot circuitry ensures start-up even with veryhigh load currents.

The true output disconnect feature completely disconnects the output from the battery during shutdown.

The device is available in a TSOT23-5 pin package.
2 Key Features
! 1.6µA Quiescent Current ! Input Voltage Range to 2V ! Up to 100mA Output Current ! Fixed Output Voltages and 3.3V ! Shutdown Current 0.1µA ! Output Voltage Accuracy ±3% ! Efficiency Up to 85% ! No External Diode or FETs Needed ! Output Disconnect in Shutdown ! Guaranteed 0.95V Start-Up Voltage ! TSOT23-5 Package
3 Applications

The devices are ideal for single-cell portable devices including mobile phones, MP3 players, PDAs, remote controls, personal medical devices, wireless transmitters and receivers, and any other battery-operated, portable device.

Figure Typical Operating Circuit
10µH

VBATT
10µF

AS1323 2 VSS
3 SHDNN
4 VOUT
10µF

VBATT 1

VSS 2 AS1323

SHDNN 3
4 VOUT
1 - 14

AS1323

Datasheet - Pinout
4 Pinout

Pin Assignments

Figure Pin Assignments Top View

VBATT 1

VSS 2 AS1323

SHDNN 3
4 VOUT

Pin Descriptions

Table Pin Descriptions

Pin Number 1 2

Pin Name VBATT VSS

SHDNN

VOUT LX

Description Battery Supply Input and Coil Connection Negative Supply and Ground Shutdown Input. 0 = Shutdown mode. 1 = Normal operating mode. Output. This pin also supplies bootstrap power to the device. Inductor Connection. This pin is connected to the internal N-channel MOSFET switch drain and P-channel synchronous rectifier drain.
Datasheet - Ordering Information
11 Ordering Information

The device is available as the standard products shown in Table
Table Ordering Information Ordering Code Marking AS1323-BTTT-27 ASJN

AS1323-BTTT-30 ASMP

AS1323-BTTT-33 ASMQ

Output 2.7V 3.0V 3.3V
1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter
1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter
1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter

Delivery Form Tape and Reel Tape and Reel Tape and Reel

Package TSOT23-5 TSOT23-5 TSOT23-5

Note All products are RoHS compliant and Pb-free. Buy our products or get free samples online at ICdirect:

For further information and requests, please contact us or find your local distributor at
13 - 14

AS1323

Datasheet

Copyrights

Copyright 1997-2009, austriamicrosystems AG, Tobelbaderstrasse 30, 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.

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 Unterpremstaetten, Austria Tel +43 0 3136 500 0 Fax +43 0 3136 525 01

For Sales Offices, Distributors and Representatives, please visit:
14 - 14

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AS1323-TT-27_EK_ST Datasheet file may be downloaded here without warranties.

Datasheet ID: AS1323-TT-27_EK_ST 519587