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даташит MR4010 PDF ( Datasheet )

MR4010 Datasheet Download - Shindengen

Номер произв MR4010
Описание Partial Resonance Power Supply IC Module
Производители Shindengen
логотип Shindengen логотип 


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MR4010 Даташит, Описание, Даташиты
Provision for standby mode operation
Partial Resonance Power Supply IC Module
MR4000 Series
Application Note
Version 1.4
Shindengen Electric Manufacturing Co., Ltd.







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MR4010 Даташит, Описание, Даташиты
MR4000 Series
Application Note
Precautions
Thank you for purchasing this product.
When using this IC, please follow the warnings and cautions given below to ensure safety.
Warning ! Improper handling may result in death, serious injury, or major property damage.
Caution
! Improper handling may result in minor injury or property damage.
We strive at all times to improve the quality and reliability of our products. However, a certain
! risk of malfunctions is inevitable with semiconductor products. You are responsible for producing
a design that meets safety requirements (whether a redundant design, a design that prevents
the spread of fire, or designs that minimize the possibility of malfunctions) necessary to avoid
injury, fire, or damage to social credibility that may result should any of our products
malfunction.
The semiconductor product described in this document is not designed or manufactured for use
in a device or a system required to demonstrate mission-critical reliability or safety, or whose
! malfunction may directly cause injuries or endanger human life. Contact us before using the
product for any of the following special or specific applications:
Warning
Special applications
Transport equipment (e.g., automobiles and ships), communications equipment for a
backbone network, traffic signal equipment, disaster or crime prevention equipment, medical
devices, various types of safety equipment, and other applications
Specific applications
Nuclear power control systems, aircraft equipment, aerospace equipment, submarine
repeaters, medical equipment used in life-support, and other applications
Even if the equipment is not designed for a special or specific application, please consult with
us before using any of our IC products in equipment required to run continuously for extended
periods.
Never attempt to repair or modify the product. Doing so may lead to serious accidents.
! <<Electric shock, destruction of property, fire, or malfunctions may result.>>
In the event of a problem, an excessive voltage may arise at an output terminal, or the voltage
! may drop. Anticipate these fluctuations and any consequential malfunctions or destruction and
provide adequate protection for equipment, such as overvoltage or overcurrent protection.
Check the polarity of the input and output terminals. Make sure they are properly connected
Caution ! before turning on power.
<<Failure to do so may lead to failure of the protective element or generate smoke or fire.>>
Use only the specified input voltage. Deploy a protective element on the input line.
! <<Problems may result in smoke or fire.>>
In the event of a malfunction or other anomaly, shut power off and contact us immediately.
!
The contents of this document are subject to change without notice.
Use of this product constitutes acceptance of the formal specifications.
We have taken every possible measure to ensure the accuracy of the information in this document. However, we will
not be held liable for any losses or damages incurred or infringements of patents or other rights resulting from use of
this information.
This document does not guarantee or license the execution of patent rights, intellectual property rights or any other rights
of Shindengen or third parties.
No part of this document may be reproduced in any form without prior consent from Shindengen.
Shindengen Electric MFG.CO.,LTD
-2-







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MR4010 Даташит, Описание, Даташиты
MR4000 Series
Application Note
Contents
1. Overview
1.1 Introduction
1.2 Characteristics
1.3 Applications
1.14 Absolute maximum ratings
and reference output
capacities
1.5 Dimensions and equivalent
circuit
1.6 Basic circuit
2. Block diagram
2.1 Block diagram
2.2 Pin function description
3. Operating principles
3.1 Startup circuit
3.2 On-trigger circuit
3.3 Partial resonance
3.4 Standby mode control
(patent pending)
3.5 Output voltage control
(normal operation)
3.6 Soft drive circuit (patent
pending)
3.7 Circuit for load shorts
3.8 Collector pin (MR40XX
Series)
3.9 Thermal shutdown circuit
(TSD)
3.10 Overvoltage protection
circuit (OVP)
3.11 Leading edge blank (LEB)
3.12 Malfunction prevention
circuit (patent pending)
3.13 Overcurrent protection
circuit
4. Design procedure
4.1 Design flow chart
4.2 Reference conditions for
main transformer design
4.3 Reference formulas for main
transformer design
4.4 Selecting constants for
peripheral components
4.5 Selecting constants for
droop circuit
4.6 Cooling design
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6. Supplementary design information
6.1 Supplementary notes on
design
6.2 Noise reduction
6.3 Supplemental information on
surface mounting
6.4 Precautions for waveform
measurements
6.5 Notes on pattern design
6.6 Application circuit examples
6.7 Troubleshooting list
6.8 Glossary
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Shindengen Electric MFG.CO.,LTD
-3-








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