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| 型号： | LB1662M |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, PDSO16 |
| 封装： | 0.300 INCH, MFP-16 |
| 文件页数： | 6/6页 |
| 文件大小： | 97K |
| 代理商： | LB1662M |
LB1662D, 1662M
PS No.3416-6/6
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.
1) When a fan is rotating, the capacitor is charge at 2.8
μA (typ) and discharged through the C with pulses according to
the rotational speed.
2) When a fan is locked, no discharge occurs through the C and the C voltage rises, turning OFF the output at VTH1
(0.7
× VIN).
3) When the output is turned OFF, discharge occurs through the C at 0.38
μA (typ). If the lock is not released when the
C voltage drops to VTH2 (0.38 × VIN), the capacitor is charged to VTH1 again. (At this moment, the output is
turned ON.)
These operations 2 and 3 repeated at a cycle of approximately tON : tOFF = 1 : 7 protect a motor.
4) If the lock is released when the C voltage drops to VTH2, the output is turned ON, starting rotation.
(5) Rotation detect signal (RD pin)
Open collector output (Drive mode : ‘‘L’’, Stop mode : ‘‘H’’)
(6) Radio noise reducing (B1 and B2 pins)
These are the base pins for Darlington connected output transistors. If radio noise is a problem, add a capacitor of
approximately 0.01 to 0.1
μF between B1 and B2, or 0.001μF to 0.01μF between OUT and B.
This catalog provides information as of December, 2008. Specifications and information herein are subject
to change without notice.
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