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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 are intended for use in general electronic equipment (i.e. AV/OA devices, communi-
cation, consumer systems, gaming/entertainment sets) as well as the applications indicated in 
this document.

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  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 BD9A100MUV

Страница 1: ...on frequency is of 1MHz A Soft Start circuit prevents in rush current during startup An EN pin allows for simple ON OFF control of the IC to reduce standby current consumption A MODE pin allows the us...

Страница 2: ...ter 2 to TP3 and negative terminal to TP4 for output voltage measurement 8 DC power supply output is turned ON 9 IC is enable EN by shorting Jumper pin of SW1 between intermediate terminal and ON side...

Страница 3: ...GRM188B11H103KA01D MURATA 1608 0 C10 Ceramic Capacitor Not installed 1608 1 L1 Inductor 2 2 H 20 DCR 17m max 8 1A FDSD0630 H 2R2M TOKO 7066 1 R1 Resistor 30k 1 10W 50V 1 MCR03EZPF3002 ROHM 1608 1 R2 R...

Страница 4: ...D9A100MUV EVK 001 9 September 2015 Rev 002 2015 ROHM Co Ltd All rights reserved www rohm co jp Layout PCB size 50mm 50mm 1 6mm Figure 4 Top Silk Screen Top view Figure 5 Top Silk Screen and Layout Top...

Страница 5: ...5 9 BD9A100MUV EVK 001 9 September 2015 Rev 002 2015 ROHM Co Ltd All rights reserved www rohm co jp Figure 6 Top Side Layout Top view Figure 7 L2 Layout Top view...

Страница 6: ...6 9 BD9A100MUV EVK 001 9 September 2015 Rev 002 2015 ROHM Co Ltd All rights reserved www rohm co jp Figure 8 L3 Layout Top view Figure 9 Bottom Side Layout Top view...

Страница 7: ...4 0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 2 2 5 3 3 5 4 4 5 5 5 5 6 Output Voltage Change Input Voltage V 0 5 0 4 0 3 0 2 0 1 0 0 1 0 2 0 3 0 4 0 5 0 0 2 0 4 0 6 0 8 1 Output Voltage Change Load Current A VIN...

Страница 8: ...80 60 40 20 0 20 40 60 80 1000 10K 100K 1M Phase deg Gain dB Frequency Hz Figure 14 Loop Response VIN 5 0V VO 1 8V IO 1 0A Phase Gain Figure 15 Input Voltage Ripple Wave VIN 5 0V VO 1 8V IO 0A Figure...

Страница 9: ...div VSW 2V div Figure 17 Output Voltage Ripple Wave VIN 5 0V VO 1 8V IO 0A Time scale 1 s div VIN 5V div EN 5V div VO 1V div Time scale 1ms div Time scale 1ms div Figure 19 Start up by EN VIN 5 0V VO...

Страница 10: ...devices communi cation consumer systems gaming entertainment sets as well as the applications indicated in this document The Products specified in this document are not designed to be radiation toler...

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