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DC/DC Converters

Choosing the Right DC/DC Converter

DC/DC converters are used in a wide variety of industrial (IEC/EN-UL-CSA60950-1) and medical applications (IEC/EN-UL-CSA60601-1 3rd Edition). In addition to these two main groups, special certifications must be covered, such as, for instance IEC/EN50155 (EN50121-32, EN61373) for railway technology, which comprises EMC (EMI), ESD, surge, transients, and vibration and shock resistance, or also the household appliance standard IEC/EN-UL-CSA60335-1. The noise radiation IEC/EN55022 (CISPR22), Class A for industrial applications and Class B for end consumer devices in the commercial sector, is achieved by 5/6 – times shielded and earthed modules.

The key components of the DC/DC module must be ready for action 24/7, must resist thermal stresses, must carry safety approvals, and, above all, must be reliable. And for that reason, many manufacturers have now adopted the principle of a 10 year guarantee.

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Galvanically Isolated DC/DC Converter

In addition to the standard footprints such as SIP 4,6,7,8, DIP14, 26, 24 and SMT(SMD) in the low-power range, industrial standards 1“x1“ and 1“x2“ are also steadily gaining in significance. The brick formats (Full, Half, ¼, 1/8, 1/16, 1/32) continue to be used in the Telecom sector.

The ever increasing power density has led to new cooling concepts: Apart from traditional cooling elements, which are now integrated into the housing itself, the dissipation of heat via the SMT pins/pads is also provided for, in particular in the POL area (LGA), or via contact surfaces for thermal contacting at the device housing.

Apart from the more traditional interface modules, with purely functional or basic isolation, a galvanically isolated DC/DC converter is a constituent part of the safety chain. Thereby, with medical applications the creepage and clearance required for the different overvoltage categories are only partially reached by the power unit. The type of isolation – doubled, reinforced – also plays a part in this, in particular with medical applications (MOOP – Means of Operator Protection, MOPP – Means of Patient Protection), in particular with classifications in accordance with NC(B), BF (body floating), CF (cardiac floating) with which the patient leakage separates the wheat from the chaff. In addition to electrical safety (LVD, ELV, SELV), which is required for obtaining the CE marking, the electromagnetic compatibility (EMC, EMI) also has a decisive role to play.

Manufacturers & Contacts

AIMTEC

AIMTEC's product portfolio includes miniaturized AC/DC and DC/DC switching power converters and LED drivers. AIMTEC’s designs are intended to to help customers worldwide reduce development time and costs while facilitating miniaturization and performance enhancement of their applications. The products are designed for use in industrial and medical environments and feature a wide operating temperature range for very harsh ambience.

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COSEL

COSEL is Japan’s market leader in manufacturing high-quality power supplies and DC-DC converters for demanding industrial applications. COSEL offers AC-DC, DC-DC converters and noise filters in the highest quality and in various form factors.

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MPS

Monolithic Power Systems, Inc. (MPS) is amongst the globally leading suppliers in the power-management area. The broad portfolio contains eg DC/DC-converters and -modules, PMICs, battery-management-ICs, current-sensors, AC/DC-converter-ICs, motordrivers as well as angle-sensors and, newly added, even inductors for the DC/DC-converters.  Target markets are mainly industrial, automotive, telecom-infrastructure, cloud-computing and consumer-applications.

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RECOM

RECOM offers a large variety of products with over 30.000 modules. The brand is famous for innovative and reliable designs, fast time-to-market and very open and close relationship to its customers.

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Subcategories of DC/DC Converters

For integration into smallest modules


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Galvanically isolated DC/DC-converter


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Galvanically non-isolated DC/DC-converter


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  1. MP4420 Eval-Board
    DC/DC Converters MP4420 Eval-Board
    Input Voltage min: 4,2V
    Input Voltage max: 36V
    Output Voltage: 3,3V
    Output Current: 2000mA
    Free Sample
  2. image_202
    DC/DC Converters MP2153 Eval-Board
    Input Voltage min: 2,5V
    Input Voltage max: 5,5V
    Output Voltage: 1,2V
    Output Current: 3000mA
    Free Sample
  3. ree_15
    DC/DC Converters REE-0505S
    Output Power: 1W
    Output Voltage: 5V
    Input voltage: 5V
    Casetype: SIP7
    Free Sample
  4. mps_mezs84801_isometric_2
    POL Converters mEZS84801A
    Input Voltage min: 37V
    Input Voltage max: 57V
    Output Voltage: 12V
    Output Current: 1000mA
    Free Sample
  5. mps_mezs91202_front_2
    POL Converters mEZS91202A
    Input Voltage min: 7V
    Input Voltage max: 36V
    Output Voltage: 5V
    Output Current: 2500mA
    Free Sample
  6. mEZD41503A-B
    POL Converters mEZD41503A-B
    Input Voltage min: 2,7V
    Input Voltage max: 10V
    Output Voltage: 12V
    Output Current: 3000mA
    Free Sample
  7. mEZD41503A-A
    POL Converters mEZD41503A-A
    Input Voltage min: 2,7V
    Input Voltage max: 4,2V
    Output Voltage: 5V
    Output Current: 3000mA
    Free Sample
  8. mEZD41502A-B
    POL Converters mEZD41502A-B
    Input Voltage min: 2,7V
    Input Voltage max: 10V
    Output Voltage: 12V
    Output Current: 2000mA
    Free Sample
  9. mps_mezd415xx_isometric_2
    POL Converters mEZD41501A-B
    Input Voltage min: 2,7V
    Input Voltage max: 10V
    Output Voltage: 12V
    Output Current: 1000mA
    Free Sample
  10. mEZD74800A-B
    POL Converters mEZD74800A-B
    Input Voltage min: 4,5V
    Input Voltage max: 75V
    Output Voltage: 5V
    Output Current: 300mA
    Free Sample
  11. mEZD72401A-G
    POL Converters mEZD72401A-G
    Input Voltage min: 6,5V
    Input Voltage max: 36V
    Output Voltage: 5V
    Output Current: 1000mA
    Free Sample
  12. mps_mezd724xx_isometric_2
    POL Converters mEZD72401A-F
    Input Voltage min: 4,5V
    Input Voltage max: 36V
    Output Voltage: 3,3V
    Output Current: 1000mA
    Free Sample

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