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Last Updated: Apr 25, 2025 | Study Period: 2023-2030
Overpower supply lines, DC-DC converters produce conducted emission noise. Due to the reduced filter component size and BOM cost, many DC/DC converter ICs incorporate a spread spectrum function that reduces noise.
But an DC-DC input filter is necessary to truly cut the level of conducted emissions to a level that is acceptable.
Input filter design and usage for DC/DC converters are both taken into account in this application note.
The DC/DC converter's input current flow alternates with the switching frequency of the converter. Due to the alternating input current flow, the input capacitor attached to a converter IC input has an equivalent series resistance (ESR) that causes voltage ripples.
The ESR of the employed capacitor mostly determines how much of a voltage ripple occurs.
The ESR of electrolytic and polymer capacitors is comparatively high. When these types of capacitors are in use, the voltage ripple's value might vary from a few milliohms to several ohms.
On the other hand, multilayer ceramic capacitors (MLCCs) have an extremely low ESR of just a few milliohms, resulting in a noise voltage of a few millivolts.
An oscilloscope can be used to study the AC components at the DC/DC converter's input while performing a time-domain analysis.
This makes it easier to measure any interference spectrum during the DC/DC converter design process and offers a quick approach to calculate any conducted emissions or EMC concerns.
The Global DC-DC input filter market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
P-DUKE has introduced a DC-DC input filter, the new MCF series, which are front-end filters for P-DUKE COTS (commercial-off-the-shelf) DC/DC converters to conform with MIL-STD 1275D's criteria for the characteristics of 28 volt DC electrical systems in military vehicles and MIL-STD 461.
(Requirement for the control of electromagnetic interference characteristics of subsystems and equipment).
This filter series can handle input voltages of 9â36Vdc (50Vdc for 1 second), making it appropriate for military vehicles with 28V bus systems or 24V bus systems. They can be used for rolling stock as well as large industrial applications.
| Sl no | Topic |
| 1 | Market Segmentation |
| 2 | Scope of the report |
| 3 | Abbreviations |
| 4 | Research Methodology |
| 5 | Executive Summary |
| 6 | Introduction |
| 7 | Insights from Industry stakeholders |
| 8 | Cost breakdown of Product by sub-components and average profit margin |
| 9 | Disruptive innovation in the Industry |
| 10 | Technology trends in the Industry |
| 11 | Consumer trends in the industry |
| 12 | Recent Production Milestones |
| 13 | Component Manufacturing in US, EU and China |
| 14 | COVID-19 impact on overall market |
| 15 | COVID-19 impact on Production of components |
| 16 | COVID-19 impact on Point of sale |
| 17 | Market Segmentation, Dynamics and Forecast by Geography, 2023-2030 |
| 18 | Market Segmentation, Dynamics and Forecast by Product Type, 2023-2030 |
| 19 | Market Segmentation, Dynamics and Forecast by Application, 2023-2030 |
| 20 | Market Segmentation, Dynamics and Forecast by End use, 2023-2030 |
| 21 | Product installation rate by OEM, 2023 |
| 22 | Incline/Decline in Average B-2-B selling price in past 5 years |
| 23 | Competition from substitute products |
| 24 | Gross margin and average profitability of suppliers |
| 25 | New product development in past 12 months |
| 26 | M&A in past 12 months |
| 27 | Growth strategy of leading players |
| 28 | Market share of vendors, 2023 |
| 29 | Company Profiles |
| 30 | Unmet needs and opportunity for new suppliers |
| 31 | Conclusion |
| 32 | Appendix |
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