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© 2021 ROHM Co., Ltd.
No. 64UG035E Rev.001
AUG. 2021
User’s Guide
BD9E105FP4-EVK-001
Revision History
Date
Revision
Number
Description
27
th
. Aug. 2021
001
Initial release
Страница 1: ...R3 by external resistors The operating frequency is fixed at 500kHz The current mode control DC DC converter provides high speed transient response performance Additional protection functions include...
Страница 2: ...e positive terminal of the DC power supply to VIN_F pin of the EVK 3 Connect the load to VOUT_F and PGND2 terminals of EVK When using an electronic load connect with the load turned off 4 Connect a vo...
Страница 3: ...C2E470JW07 MURATA 1608 0603 2 C5 C6 MLCC 22 F 25V X7R 20 GRM32ER71E226ME15 MURATA 3225 1210 Resistor 1 R1 R6 Resistor 0 1 16W 50V 5 MCR01MZPJ000 ROHM 1005 0402 1 R2 Resistor 56k 1 16W 50V 1 MCR01MZPF5...
Страница 4: ...Layout EVK PCB information Number of Layers Material Board Size Copper Thickness 4 FR 4 HiTg 54mm x 54mm x 1 6mmt 2 1 1 2oz 1oz 35 m The layout of BD9E105FP4 EVK 001 is shown below Figure 3 Top PCB Im...
Страница 5: ...UG 2021 User s Guide BD9E105FP4 EVK 001 Figure 6 Top Layer Figure 7 Middle Layer 1 Top View Top View Figure 7 Middle1 Layer Layout Top View Figure 8 Middle2 Layer Layout Top View Figure 8 Middle Layer...
Страница 6: ...5 VIN 0V to 12V SW1 H VOUT 1 8V VIN 0V to 12V SW1 H VOUT 5V Figure 12 Startup waveform RLOAD 5 VIN 12V SW1 L to H VOUT 5V Figure 13 Shutdown waveform RLOAD 5 VIN 12V SW1 H to L VOUT 5V VIN 10V div EN...
Страница 7: ...tage Figure 15 Ripple voltage VIN 12V VOUT 5V IOUT 0A VIN 12V VOUT 5V IOUT 1A Figure 16 Ripple voltage VIN 24V VOUT 5V IOUT 0A Figure 17 Ripple voltage VIN 24V VOUT 5V IOUT 1A VOUT 20 mV div VSW 5 V d...
Страница 8: ...ad current VIN 12V 24V VOUT 5V Figure 19 Load transient VIN 12V VOUT 5V IOUT 0 5A to 1A Figure 21 Frequency response VIN 12V VOUT 5V IOUT 1A Figure 20 Load transient VIN 24V VOUT 5V IOUT 0 5A to 1A Fi...
Страница 9: ...9 9 2021 ROHM Co Ltd No 64UG035E Rev 001 AUG 2021 User s Guide BD9E105FP4 EVK 001 Revision History Date Revision Number Description 27th Aug 2021 001 Initial release...
Страница 10: ...hnical 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...
