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LB1941GP датащи(PDF) 4 Page - Sanyo Semicon Device

номер детали LB1941GP
подробное описание детали  For Digital Cameras Constant Current Forward/Reverse Driver
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производитель  SANYO [Sanyo Semicon Device]
домашняя страница  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1941GP датащи(HTML) 4 Page - Sanyo Semicon Device

  LB1941GP_10 Datasheet HTML 1Page - Sanyo Semicon Device LB1941GP_10 Datasheet HTML 2Page - Sanyo Semicon Device LB1941GP_10 Datasheet HTML 3Page - Sanyo Semicon Device LB1941GP_10 Datasheet HTML 4Page - Sanyo Semicon Device  
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LB1941GP
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.
Standby
Standby
Reverserotation
Reverserotation
Fowardrotation
IN1
IN2
Boost charge and discharge circuits
In order to keep the output response time constant during mode transfer from the standby state to forward (reverse)
rotation, this IC incorporates boost charge and discharge circuits for external capacitor connected to the FC pin.
The external capacitor connected to the FC pin is for output phase compensation (to suppress oscillation), for which
0.01 to 0.1μF is recommended. Note that increase in the capacitor value results in increase in the time necessary for
the constant current control to rise.
Specifications of any and all SANYO Semiconductor 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 Semiconductor 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 Semiconductor 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,
of otherwise, without the prior written permission of SANYO Semiconductor 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 Semiconductor 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 Semiconductor 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 March, 2010. Specifications and information herein are subject
to change without notice.
PS No.A0195-4/4


Аналогичный номер детали - LB1941GP_10

производительномер деталидатащиподробное описание детали
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Аналогичное описание - LB1941GP_10

производительномер деталидатащиподробное описание детали
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