Rohm BD9E304FP4-EVK-001 User Manual Download Page 9 | Manualshive

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© 2021 ROHM Co., Ltd.

No. 63UG030E Rev.001

2021.7

User’s Guide

BD9E304FP4-EVK-001

Revision History

Date

Revision

Number

Description

28.Jul.2021

001

Initial release

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Summary of Contents for BD9E304FP4-EVK-001

Page 1: ...fixed at 300 kHz The Light Load Mode control provides good efficiency characteristics in light load conditions which is ideal for applications that needs to lessen the standby power The current mode c...

Page 2: ...e EVK 2 Connect the VCC pin of the DC power supply to the VIN_F pin of the EVK 3 Connect the load to the VOUT_F and GND_F right side in EVK terminal of EVK When using an electronic load connect with t...

Page 3: ...0 F 3225 1210 100V X7S 10 GRM32EC72A106KE05 Murata 1 C7 C8 Capacitor 47 F 3216 1206 16V X5R 20 GRM31CR61C476ME44 Murata 2 C5 Capacitor 120pF 1005 0402 50V C0G 5 GRM1555C1H121JA01 Murata 1 C3 Capacitor...

Page 4: ...formation Number of Layers Material Board Size Copper Thickness 4 FR 4 67 5mm x 67 5mm x 1 6mmt 1oz 35 m The layout of BD9E304FP4 EVK 001 is shown below Figure 3 Top Layer Layout Top View Figure 4 Mid...

Page 5: ...g Frequency vs Input Voltage VOUT 1 2V IOUT 3A Figure 9 Efficiency vs Output Current VOUT 1 2V 0 20 40 60 80 100 5 6 7 8 9 10 11 12 Operating Supply Current I OPR A Input Voltage VIN V 255 270 285 300...

Page 6: ...ure 12 Rise up Waveform VEN 0V 12V IOUT 3A Figure 13 Shut down Waveform VEN 12V 0V IOUT 3A 2 0 1 5 1 0 0 5 0 0 0 5 1 0 1 5 2 0 0 500 1000 1500 2000 2500 3000 Output Voltage Change V CHANGE Output Curr...

Page 7: ...ntinued Figure 14 SW Waveform VIN 12V VOUT 1 2V IOUT 30 A Figure 15 SW Waveform VIN 12V VOUT 1 2V IOUT 3A Figure 16 Frequency Response VIN 12V IOUT 3A VOUT 50 mV div VSW 5 V div Time 4 s div VOUT 50 m...

Page 8: ...n the Parts List Table 2 For reference Figure 17 shows the DC bias characteristics of GRM32EC72A106KE05 Murata listed as C2 in the Parts list Table 2 Actual capacitance degrades to 8 1 F under the con...

Page 9: ...9 9 2021 ROHM Co Ltd No 63UG030E Rev 001 2021 7 User s Guide BD9E304FP4 EVK 001 Revision History Date Revision Number Description 28 Jul 2021 001 Initial release...

Page 10: ...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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