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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)

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Summary of Contents for BD9A100MUV

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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