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Murata PE24108 User Manual

Low voltage, dual stage dc-dc converter
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PE24108 Evaluation Kit (EVK)
User's Manual
3.3 Vin, 10A, Two-stage Buck Regulator Evaluation Board for Low
Output Voltage Applications
http://www.murata.com/products/power
Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved.
DOC-110127-1 (05/2023)
PE24108 EVK User's Manual
Low Voltage, Dual Stage DC-DC Converter
Page 1 of 19

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  • Page 1 PE24108 Evaluation Kit (EVK) User’s Manual 3.3 Vin, 10A, Two-stage Buck Regulator Evaluation Board for Low Output Voltage Applications http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 1 of 19...
  • Page 2 Evaluation Kit Overview The EK24108-01 evaluation kit (EVK) is a hardware platform that allows customers to easily test the PE24108 step- down DC-DC converter. The buck converter operates at a default switching frequency of 800kHz. The output voltage can be adjusted using the on-board potentiometer.

  • Page 3: Quick Start Overview

    Low Voltage, Dual Stage DC-DC Converter Quick Start Guide Quick Start Overview The evaluation board is designed to ease customer evaluation of the PE24108 DC-DC converter. This section guides you through configuring the hardware and the startup procedures. Evaluation Board Overview...
  • Page 4 Figure 2. EVK Connection Example http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 4 of 19...
  • Page 5 EN pins and FB pins. Figure 3. Enable and Feedback Jumper Position, Vout Potentiometer http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 5 of 19...
  • Page 6 If the board received does not have these bridges soldered, they must be added. http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 6 of 19...

  • Page 7: Test Results

    3. Apply between 3.0V and 3.6V to Vin. 4. Monitor Vout and adjust the load current within the operating range. Test Results The following test results show the typical efficiency and Vout waveforms of the PE24108 evaluation board, x1 configuration, VOUT = 0.50V. http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd.
  • Page 8 Low Voltage, Dual Stage DC-DC Converter Figure 5. Efficiency vs. Output Current Figure 6. Output Ripple (Vin=3.3V, Iout=9A) http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 8 of 19...
  • Page 9 Figure 7. Load Transient Response (Vin=3.3V, 6 – 12A Load Step, 0.5A/µs) Figure 8. Bode Plot (Vin=3.3V, 10A Load http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 9 of 19...
  • Page 10 Low Voltage, Dual Stage DC-DC Converter Information PE24108 EVK PCB Layout Figure 9. Evaluation Board Layout (Top Silkscreen) http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 10 of 19...
  • Page 11 PE24108 EVK User’s Manual Low Voltage, Dual Stage DC-DC Converter Figure 10. Evaluation Board Layout (Layer 2) http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 11 of 19...
  • Page 12 PE24108 EVK User’s Manual Low Voltage, Dual Stage DC-DC Converter Figure 11. Evaluation Board Layout (Layer 3) http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 12 of 19...
  • Page 13 PE24108 EVK User’s Manual Low Voltage, Dual Stage DC-DC Converter Figure 12. Evaluation Board Layout (Bottom Layer) http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 13 of 19...
  • Page 14 1 for x1, and the successive pages for the other versions (x2 includes position 2, etc.). Figure 13. Evaluation Board Schematic, U1 Circuit Figure 14. Evaluation Board Schematic, U2 Circuit http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 14 of 19...
  • Page 15 Low Voltage, Dual Stage DC-DC Converter Figure 15. Evaluation Board Schematic, U3 Circuit Figure 16. Evaluation Board Schematic, U4 Circuit http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 15 of 19...
  • Page 16 PE21408 Dual Stage Buck Converter IC, 9A PE24108 PE24108 Evaluation Board PCB1 PRT-81074-02 Table 1. EVK BOM List http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 16 of 19...

  • Page 17: Technical Resources

    Trademarks are subject to trademark claims. http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 17 of 19...
  • Page 18 Do not allow our product to be exposed to excess moisture under any circumstances. http://www.murata.com/products/power Copyright ©2023 Murata Manufacturing Co., Ltd. and pSemi Corporation, a Murata Company. All rights reserved. DOC-110127-1 (05/2023) Page 18 of 19...

  • Page 19: Sales Contact

    Disclaimers The information in this document is believed to be reliable. However, Murata and its affiliates do not assume any liability for the use of this information or use of this product. Use shall be entirely at the user’s own risk. No patent rights or licenses to any circuits described in this document are implied or granted to any third party.

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