PDF LB1855NM Datasheet ( Hoja de datos )

Número de pieza LB1855NM
Descripción 3-Phase Brushless Motor Driver
Fabricantes Sanyo 
Logotipo Sanyo Logotipo

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LB1855NM Hoja de datos, Descripción, Manual
Ordering number : EN5798
Monolithic Digital IC
3-Phase Brushless Motor Driver
The LB1855NM is a 3-phase brushless motor driver IC
that is optimal for VCR drum motor drive.
• Current linear drive
• No output electrolytic capacitors required.
• Current limiter circuit built in
• AGC circuit built in
• Thermal shutdown circuit built in
Package Dimensions
unit: mm
On the specified printed circuit board (a 20 × 30 × 1.5 mm glass3 epoxy board)
Ambient temperature, Ta — °C
Absolute Maximum Ratings at Ta = 25°C
Maximum supply voltage
Maximum output current
Allowable power dissipation
VCC max
IO max
Pd max
On the specified printed circuit board (a 20 × 30 × 1.5 mm3
glass epoxy board)
Operating temperature
Storage temperature
Allowable Operating Ranges at Ta = 25°C
Supply current
Hall input amplitude
Between the Hall inputs
–20 to +75
–55 to +150
7 to 18
70 to 300
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 products described or contained
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O3098RM (OT) No. 5798-1/5

1 page

LB1855NM pdf
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.
This catalog provides information as of October, 1998. Specifications and information herein are subject
to change without notice.
PS No. 5798-5/5

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