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LB1941 Datasheet(PDF) 4 Page - Sanyo Semicon Device

No. de pieza LB1941
Descripción Electrónicos  Constant Current Forward/Reverse Driver IC for Digital Cameras
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Fabricante Electrónico  SANYO [Sanyo Semicon Device]
Página de inicio  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1941 Datasheet(HTML) 4 Page - Sanyo Semicon Device

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PS No. 7193-4/4
LB1941T
This catalog provides information as of November, 2002. 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.
Block Diagram
VCC
OUT1
OUT2
0.2V
IN2
GND
FC
RFG
RL
RF
IN1
ILB01540
+
--
C
P
U
Thermal protection circuit
Boost charge
circuit
Boost
discharge
circuit
Constant
current control
amplifier
[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 0.1 µF is recommended. Note that increase in the capacitor value results in increase in the time necessary for
the constant current control to rise.


Número de pieza similar - LB1941

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Descripción similar - LB1941

Fabricante ElectrónicoNo. de piezaDatasheetDescripción Electrónicos
logo
Sanyo Semicon Device
LB1941T SANYO-LB1941T Datasheet
88Kb / 4P
   For Digital Cameras Constant Current Forward/Reverse Driver IC
logo
ON Semiconductor
LB1941T-TLM-E ONSEMI-LB1941T-TLM-E Datasheet
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   For Digital Cameras Constant Current Forward/Reverse Driver IC
June, 2013
logo
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