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AS1356 Dataheets PDF



Part Number AS1356
Manufacturers austriamicrosystems AG
Logo austriamicrosystems AG
Description Linear Low-Dropout 150mA Voltage Regulators
Datasheet AS1356 DatasheetAS1356 Datasheet (PDF)

AS1353, AS1356 L i n e a r L o w - D r o p o u t 1 5 0 m A Vo l ta g e R e g u l a t o r s www.datasheet4u.com Product Brief 1 General Description The AS1353/AS1356 are high-performance, fixed-voltage linear LDOs designed for use with capacitors of 1 to 10µF. The devices can deliver superior performance even under low dropout conditions when the power transistor operates in linear mode. The integrated P-channel MOSFET output allows the devices to maintain a low supply-current at loads of up to.

  AS1356   AS1356


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AS1353, AS1356 L i n e a r L o w - D r o p o u t 1 5 0 m A Vo l ta g e R e g u l a t o r s www.datasheet4u.com Product Brief 1 General Description The AS1353/AS1356 are high-performance, fixed-voltage linear LDOs designed for use with capacitors of 1 to 10µF. The devices can deliver superior performance even under low dropout conditions when the power transistor operates in linear mode. The integrated P-channel MOSFET output allows the devices to maintain a low supply-current at loads of up to150mA. A shutdown mode includes logic-controlled circuitry which reduces shutdown current to less than 1µA (max). Integrated over-temperature and over-current protection circuitry switches the devices off in case of thermal overload or output short-circuit conditions. The AS1353/AS1356 are optimized for low equivalentseries resistance (ESR) output capacitors. Additionally, all devices contain reversed battery protection which disconnects the internal circuitry and parasitic diodes if the battery is connected incorrectly. The AS1356 also features power-OK circuitry which can be used to monitor output regulation. All devices also feature an integrated error amplifier and built-in 1.25V reference, and output current is limited (380mA typ) via the on-chip current limiting circuitry. Multiple output voltages are available as standard products: 3.6, 3.3, 3.0, 2.7, 2.5, or 1.5V. All devices are available in a 5-pin SOT23 package. 2 Key Features ! ! ! ! ! ! ! ! ! ! ! ! Ultra-Low Dropout Voltage: 40mV @ 100mA load Output Voltage Range: +1.5 to +3.6V (100mV steps) Max Output Current: 150mA Output Voltage Accuracy: ±1% Low Shutdown Current: 1µA High PSRR: 60dB at 100Hz Integrated Overtemperature/Overcurrent Protection Reverse-Battery Protection (AS1353/AS1356) Power-OK Output (AS1356) Minimal External Components Required Operating Temperature Range: -40 to +85°C 5-pin SOT23 Package 3 Applications The devices are ideal for powering cordless and mobile phones, MP3 players, CD and DVD players, PDAs, handheld computers, digital cameras, and any other hand-held and/or battery-powered device. Figure 1. Pinout and Application Diagrams IN 1 GND 2 SHDNM 3 5 OUT IN 1 GND 2 5 OUT AS1353 4 BP AS1356 4 POK SHDNM 3 +2.5 to +5.5V IN CIN 1µF OUT AS1353 SHDNM BP GND COUT 1µF Preset Output 1.5 to 3.6V, 150mA +2.5 to +5.5V IN CIN 1µF OUT COUT 1µF Preset Output 1.5 to 3.6V, 150mA AS1356 On Off SHDNM GND POK 100kΩ To Microprocessor On Off CBP 0.01µF www.austriamicrosystems.com Revision 1.03 1-2 AS1353/AS1356 Product Brief Copyrights 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. www.datasheet4u.com 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 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 Premstaetten, Austria Tel: +43 (0) 3136 500 0 Fax: +43 (0) 3136 525 01 For Sales Offices, Distributors and Representatives, please visit: http://www.austriamicrosystems.


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