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R1102

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Thank you for your accessing to ROHM product informations.  
More detail product informations and catalogs are available, please contact us. 

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The information contained herein is subject to change without notice. 

Before you use our Products, please contact our sales representative

 

and verify the latest specifica-

tions :

Although ROHM is continuously working to improve product reliability and quality, semicon-
ductors can break down and malfunction due to various factors.
Therefore, in order to prevent personal injury or fire arising from failure, please take safety 
measures such as complying with the derating characteristics, implementing redundant and 
fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no 
responsibility for any damages arising out of the use of our Poducts beyond the rating specified by 
ROHM.

Examples of application circuits, circuit constants and any other information contained herein are 
provided only to illustrate the standard usage and operations of the Products. The peripheral 
conditions must be taken into account when designing circuits for mass production.

The technical information specified herein is intended only to show the typical functions of and 
examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, 
any license to use or exercise intellectual property or other rights held by ROHM or any other 
parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of 
such technical information.

The Products specified in this document are not designed to be radiation tolerant.

For use of our Products in applications requiring a high degree of reliability (as exemplified  
below), please contact and consult with a ROHM representative : transportation equipment (i.e. 
cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety 
equipment, medical systems, servers, solar cells, and power transmission systems.

Do not use our Products in applications requiring extremely high reliability, such as aerospace 
equipment, nuclear power control systems, and submarine repeaters.

ROHM shall have no responsibility for any damages or injury arising  from non-compliance with 
the recommended usage conditions and specifications contained herein.

ROHM has used reasonable care to ensur

e

 the accuracy of the information contained  in this 

document. However, ROHM does not warrants that such information is error-free, and ROHM 
shall have no responsibility for any damages arising from any inaccuracy or misprint of such 
information.

Please use the Products in accordance with any applicable environmental laws and regulations, 
such as the RoHS Directive. For more details, including RoHS compatibility, please contact a 
ROHM sales office. ROHM shall have  no responsibility for any damages or losses resulting 
non-compliance with any applicable laws or regulations.

When providing our Products and technologies contained in this document to other countries,  
you must abide by the procedures and provisions stipulated in all applicable export laws and 
regulations, including without limitation the US Export Administration Regulations and the Foreign 
Exchange and Foreign Trade Act.

This document, in part or in whole, may not be reprinted or reproduced without prior consent of 
ROHM.

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Содержание BD83A14EFV-M

Страница 1: ...BD83A14EFV M Evaluation Board REFLED004 EVK 001...

Страница 2: ...al contact or even bringing your hand close to the board may result in discharge and lead to severe injury or death Therefore DO NOT touch the board with your bare hands or bring them too close to the...

Страница 3: ...combining with PWM dimming DC DC converters can be controlled for boost applications and the input operating voltage range is 4 5 V to 48V Application Automotive backlight application for CID cluster...

Страница 4: ...or LEDs to evaluation board Anode to VOUT pin Cathode to LEDx pin 2 Connect power supply to B pin and B pin of the evaluation board 3 Connect power supply to EN pin It must be less than 7V 4 Connect p...

Страница 5: ...For unused channels pull down the LED pin to GND with 10k The ISET terminal voltage can be adjusted according to the voltage input to the ADIM_P terminal The LED current can be calculated from the fol...

Страница 6: ...4 10 2022 ROHM Co Ltd 65UG067E Rev 001 Dec 2022 User s Guide BD83A14EFV M 001 Pin configuration Figure 6 Pin configuration...

Страница 7: ...5 10 2022 ROHM Co Ltd 65UG067E Rev 001 Dec 2022 User s Guide BD83A14EFV M 001 Evaluation board schematic Figure 7 Evaluation board schematic...

Страница 8: ...series Resistor Rohm RRT2 1608 12k MCR03 series Resistor Rohm RFAIL 1608 100k MCR03 series Resistor Rohm CREG 2012 2 2 F 16V GCM21BR71C205KA49 Ceramic Murata CREG2 Open M1 HSMT8AG 40V 27A RQ3G270BJFR...

Страница 9: ...7 Ceramic Murata XLED1 1005 470pF X7S 50V GCM1555C1H471JA16 Ceramic Murata XLED2 1005 470pF X7S 50V GCM1555C1H471JA16 Ceramic Murata XLED3 1005 470pF X7S 50V GCM1555C1H471JA16 Ceramic Murata XLED4 100...

Страница 10: ...1 6mm Copper thickness 1 oz Number of layers 4 Board size 90X60mm Minimum copper width 0 15mm Minimum air gap 0 15mm Minimum hole size 0 3mm The layout of BD83A14EFV M is shown below Top view Top view...

Страница 11: ...data Ta 25 C Output voltage 34V Iout 120mA x 4ch Figure 12 Efficiency vs Input voltage Figure 13 Gain Phase vs Frequency VCC 12V Efficiency Input voltage V 70 75 80 85 90 95 100 5 10 15 20 180 120 60...

Страница 12: ...10 10 2022 ROHM Co Ltd 65UG067E Rev 001 Dec 2022 User s Guide BD83A14EFV M 001 Revision history Date Revision number Description 06 Dec 2021 001 Initial release...

Страница 13: ...ch technical information The Products specified in this document are not designed to be radiation tolerant For use of our Products in applications requiring a high degree of reliability as exemplified...

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