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LB1941T Datasheet(PDF) 4 Page - Sanyo Semicon Device |
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LB1941T Datasheet(HTML) 4 Page - Sanyo Semicon Device |
4 / 4 page LB1941T No.7193-4/4 Truth Table Input Output IN1 IN2 OUT1 OUT2 Mode L L OFF OFF Standby 1* H L H L Forward rotation L H L H Reverse rotation H H OFF OFF Standby 2* Cautions for use Standby states 1 and 2 in the above truth table differ as follows: Standby state 1 ............All circuits in IC are not operating and the current dissipation is almost zero. Standby state 2 ............The constant-current control amplifier output in IC is in the full drive condition. Both OUT1 and OUT2 are OFF. The current dissipation is a few mA. During mode transfer from the standby state 1 to forward (reverse) rotation, the current rises from the output current zero condition to the required constant current value. On the other hand, during mode transfer from the standby state 2 to forward (reverse) rotation, full drive is applied once to the output, then the current lowers to the required current value. Therefore, select the standby 1 state when putting IC in the standby state. A typical drive sequence is shown in the figure below. This catalog provides information as of June, 2007. Specifications and information herein are subject to change without notice. SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. PS Standby Standby Reverserotation Reverserotation Fowardrotation IN1 IN2 |
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