Rohm BD9E304FP4-EVK-003 User Manual Download Page 9 | Manualshive

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© 2022 ROHM Co., Ltd.

No. 64UG043E Rev.001

2022.2

User’s Guide

BD9E304FP4-EVK-003

Revision History

Date

Revision

Number

Description

21.Feb.2022

001

Initial release

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Summary of Contents for BD9E304FP4-EVK-003

Page 1: ...ency is 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 curren...

Page 2: ...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 th...

Page 3: ...urata 1 47 F 3216 1206 16V X5R 10 GRM32EB31C476KE15L Murata 2 C5 Capacitor 120pF 0603 0201 50V C0G 5 GRM0335C1H121JA01 Murata 1 C3 Capacitor 680pF 0603 0201 25V C0G 5 GRM0335C1E681JA01 Murata 1 33k 10...

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 003 is shown below Figure 3 Top Layer Layout Top View Figure 4 Mid...

Page 5: ...2 User s Guide BD9E304FP4 EVK 003 Reference application data Figure 7 Operating Quiescent Current vs Input Voltage VIN 12V VOUT 5V IOUT 0A Figure 8 Switching Frequency vs Input Voltage VOUT 5V IOUT 3A...

Page 6: ...5V Figure 11 VOUT Line Regulation VOUT 5V IOUT 3A Figure 12 Rise up Waveform VEN 0V 12V IOUT 3A Figure 13 Shut down Waveform VEN 12V 0V IOUT 3A VOUT 10V div SW 20V div EN 20V div VIN 20Vdiv 2ms div S...

Page 7: ...tinued Figure 14 SW Waveform VIN 12V VOUT 5V IOUT 30 A Figure 15 SW Waveform VIN 12V VOUT 5V IOUT 3A Figure 16 Frequency Response VIN 12V VOUT 5V IOUT 3A VSW 5 V div VOUT AC 50mV div SW 10V div 10 s d...

Page 8: ...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 cond...

Page 9: ...9 9 2022 ROHM Co Ltd No 64UG043E Rev 001 2022 2 User s Guide BD9E304FP4 EVK 003 Revision History Date Revision Number Description 21 Feb 2022 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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