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參數(shù)資料
| 型號： | LB11827 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Three-Phase Brushless Motor Driver for OA Products |
| 中文描述： | 三相無刷電機驅(qū)動的辦公自動化產(chǎn)品 |
| 文件頁數(shù)： | 11/11頁 |
| 文件大?。?/td> | 144K |
| 代理商： | LB11827 |
PS No. 7110-11/11
LB11827
This catalog provides information as of December, 2003. Specifications and information herein are
subject to change without notice.
Specifications of any and all SANYO products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees
of the performance, characteristics, and functions of the described products as mounted in the customer’s
products or equipment. To verify symptoms and states that cannot be evaluated in an independent device,
the customer should always evaluate and test devices mounted in the customer’s products or equipment.
SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all
semiconductor products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,
or 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.
In the event that any or all SANYO products (including technical data, services) described or contained
herein are controlled under any of applicable local export control laws and regulations, such products must
not be exported without obtaining 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 permission of SANYO Electric Co., Ltd.
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 product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not
guaranteed for volume production. SANYO believes information herein is accurate and reliable, but
no guarantees are made or implied regarding its use or any infringements of intellectual property rights
or other rights of third parties.
necessary to provide the stop time with an allowance while referring to the following equation. (The same applies to
restart in the motor start transient condition.)
Stop time (ms)
≥
15
×
C (μF)
11. Power supply stabilization
This IC has a large output current and is driven by switching, resulting in ready oscillation of the power line. It is
therefore necessary to connect a capacitor with a sufficient capacity (several ten μF or more) between the VCC pin and
GND for stabilization. GND of a capacitor to be connected must be connected to the GND2 pin (GND of the power
block) at a point as near as possible to the pin. If a capacitor (electrolytic) cannot be provided near the pin because of
existence of a heat sink, etc., provide a ceramic capacitor of about 0.1 μF near the pin.
When a diode is inserted in the power line to prevent breakdown due to reverse connection of power supply, the power
line is particularly readily oscillated. The larger capacity need be selected.
12. VREG stabilization
The V
REG
pin (5 V regulator output) that is a power supply for control circuit must be provided with a stabilizing
capacitor (about 0.1 μF). GND of a capacitor to be connected must be connected to the GND1 pin with the shortest
possible wiring.
13. Constant of integrating amplifier parts
Arrange the integrating amplifier external parts as near as possible to IC to protect them from noise effects. Arrange
them by keeping the largest possible distance from the motor.
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