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DC-DC Converters

As the name implies a DC-DC converter is an electronic circuit or electromechanical device which takes a source of direct current (DC) and converts it from one voltage level to another. They are used where the operating voltage for some electronic devices vary making it necessary to provide a separate voltage for each device. Why is it necessary to convert DC to DC? AC power allows the variation of voltage levels via a transformer, unfortunately this doesn’t work with DC power. Sometimes it is necessary to convert the power, for example, from a 24V truck battery to 12V in order to power a car radio. So it’s necessary to use a converter to drop the power and make it safe for the device. Types of DC-DC Converters A wide variety of types are available to suit different needs. Some DC-DC converters will step up the power, others will step down and some can do either. It’s important to know the specifications of the converters being used to avoid damaging equipment. Types of DC-DC converters include:Isolated DC-DC converters – in these the output is isolated from the input with internal transformers to convert the input to a different output voltage. They have higher isolation voltage properties and unlike the non-isolated version have the ability to block noise and interference. Non-Isolated DC-DC converters – these devices do not have any isolation between the input and output and are typically used for smaller voltages. One disadvantage is that they do not offer much protection against high electrical voltages. Portable car power adaptor – the converters take the DC power that comes in from the vehicle’s battery and step it down to make it usable with personal devices such as DVD players, phone connectors, CD players and more. Buck DC-DC converter – named because it ‘bucks’ against the input voltage, this device produces an output that is less than its input. Boost DC-DC converter – does the opposite to the Buck and steps up the voltage output. Cuk – This type of converter is similar to buck-boost converters. The biggest difference is really the name. The Cuk was named after Slobodan Cuk, the man who created it. Charge-Pump – This converter is used for stepping the voltage up or down in applications that have low power. Advantages of DC-DC converters Driving a device by increasing or decreasing the available input voltage prevents damage or breakdown. Battery space can also be reduced. Isolated DC-DC converters are safer to use in cases of internal failure as they prevent the input voltage from being transmitted to the output.

Showing 169–192 of 452 results

Price Latest Popularity Relevance
  • Product image for SMD DC/DC CONVERTER ISOLATED 5V 1W

    Recom R1DX 1W Isolated DC-DC Converter Surface Mount, Voltage in 4.5 → 5.5 V dc, Voltage out ±5V dc

    RS Stock No.
    1833793
    Brand
    Recom
    Mfr. Prt No.
    R1DX-0505-Tray
    VND
    141,961.60
  • Product image for DC/DC CONVERTER,12VIN,5VOUT 200MA,1W

    Recom RBM 1W Isolated DC-DC Converter Through Hole, Voltage in 10.8 → 13.2 V dc, Voltage out 5V dc

    RS Stock No.
    6727417
    Brand
    Recom
    Mfr. Prt No.
    RBM-1205S
    VND
    260,710.56
  • Product image for DC-DC CONVERTER 5V 1W 1KV

    Recom RFM 1W Isolated DC-DC Converter Through Hole, Voltage in 4.5 → 5.5 V dc, Voltage out 5V dc

    RS Stock No.
    1855527
    Brand
    Recom
    Mfr. Prt No.
    RFM-0505S
    VND
    51,796.80
  • Product image for DC/DC CONVERTER,5VIN,5VOUT 200MA,1W

    Recom RO 1W Isolated DC-DC Converter Through Hole, Voltage in 4.5 → 5.5 V dc, Voltage out 5V dc

    RS Stock No.
    6728757
    Brand
    Recom
    Mfr. Prt No.
    RO-0505S
    VND
    174,574.40
  • Product image for DC/DC CONVERTER ISOLATED 15V 60W

    Recom RPA60-FW 60W Isolated DC-DC Converter Through Hole, Voltage in 9 → 36 V dc, Voltage out 15V dc, Railway

    RS Stock No.
    1244228
    Brand
    Recom
    Mfr. Prt No.
    RPA60-2415SFW/P
    VND
    2,964,887.20

  • Recom RS 2W Isolated DC-DC Converter Through Hole, Voltage in 18 → 36 V dc, Voltage out ±5V dc

    VND
    0.00
  • Product image for DC-DC CONVERTER,RS-2405D 2W +/-5VDC

    Recom RS 2W Isolated DC-DC Converter Through Hole, Voltage in 18 → 36 V dc, Voltage out ±5V dc

    RS Stock No.
    4735261
    Brand
    Recom
    Mfr. Prt No.
    RS-2405D
    VND
    514,706.72
  • Product image for SWITCHING REGULATOR,4.75-18VI,3-5.5VO 1A

    Recom Surface Mount Switching Regulator, 3.3V dc Output Voltage, 4.75 → 18V dc Input Voltage, 1A Output Current

    RS Stock No.
    7063963
    Brand
    Recom
    Mfr. Prt No.
    R-78AA3.3-1.0SMD
    VND
    277,976.16
  • Product image for SWITCHING REGULATOR,16-34VIN,12VOUT 1A

    Recom Through Hole Switching Regulator, 12V dc Output Voltage, 32V dc Input Voltage, 1A Output Current

    RS Stock No.
    6727142
    Brand
    Recom
    Mfr. Prt No.
    R-78B12-1.0L
    VND
    314,617.60
  • Product image for SWITCHING REGULATOR,36-72VIN,24VOUT 0.3A

    Recom Through Hole Switching Regulator, 24V dc Output Voltage, 36 → 72V dc Input Voltage, 300mA Output Current

    RS Stock No.
    6727114
    Brand
    Recom
    Mfr. Prt No.
    R-78HB24-0.3L
    VND
    470,199.84
  • Product image for SWITCHING REGULATOR,36-72VIN,24VO 0.3A

    Recom Through Hole Switching Regulator, 24V dc Output Voltage, 36 → 72V dc Input Voltage, 300mA Output Current

    RS Stock No.
    0416856
    Brand
    Recom
    Mfr. Prt No.
    R-78HB24-0.3
    VND
    450,824.00
  • Product image for SWITCHING REGULATOR 7-28VI 3.3VO 1A

    Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 28V dc Input Voltage, 1A Output Current

    RS Stock No.
    9176626
    Brand
    Recom
    Mfr. Prt No.
    R-78E3.3-1.0
    VND
    102,250.72
  • Product image for SWITCHING REGULATOR,7-42VIN,3.3VOUT 1A

    Recom Through Hole Switching Regulator, 3.3V dc Output Voltage, 7 → 42V dc Input Voltage, 1A Output Current

    RS Stock No.
    7398297
    Brand
    Recom
    Mfr. Prt No.
    R-78C3.3-1.0
    VND
    279,319.04

  • Recom Through Hole Switching Regulator, 5V dc Output Voltage, 6.5 → 32V dc Input Voltage, 1A Output Current

    VND
    0.00
  • Product image for SWITCHING REGULATOR R-78B5.0-1.0, 5V 1A

    Recom Through Hole Switching Regulator, 5V dc Output Voltage, 6.5 → 32V dc Input Voltage, 1A Output Current

    RS Stock No.
    0163451
    Brand
    Recom
    Mfr. Prt No.
    R-78B5.0-1.0
    VND
    280,661.92
  • Product image for SWITCHING REGULATOR 8-28VIN 5VO 1A

    Recom Through Hole Switching Regulator, 5V dc Output Voltage, 8 → 28V dc Input Voltage, 1A Output Current

    RS Stock No.
    1446290
    Brand
    Recom
    Mfr. Prt No.
    R-78E5.0-1.0
    VND
    97,071.04
  • -10.20%
    Product image for SWITCHING REGULATOR,8-42VIN,5VOUT 1A

    Recom Through Hole Switching Regulator, 5V dc Output Voltage, 8 → 42V dc Input Voltage, 1A Output Current

    RS Stock No.
    7398290
    Brand
    Recom
    Mfr. Prt No.
    R-78C5.0-1.0
    VND
    285,649.76
    VND
    262,245.28

  • Recom Through Hole Switching Regulator, 5V dc Output Voltage, 9 → 72V dc Input Voltage, 500mA Output Current

    VND
    0.00
  • Product image for SWITCHING REGULATOR,9-72VIN,5.0VO 0.5A

    Recom Through Hole Switching Regulator, 5V dc Output Voltage, 9 → 72V dc Input Voltage, 500mA Output Current

    RS Stock No.
    0416874
    Brand
    Recom
    Mfr. Prt No.
    R-78HB5.0-0.5
    VND
    408,235.52
  • Product image for Dual USB DC/DC Adapter 12Vin 5Vout 2x1A

    RS PRO Car Charger, 12V dc Input, 5V dc Output USB, 2 x 1A

    RS Stock No.
    8280226
    Brand
    RS PRO
    VND
    186,660.32
  • Product image for Switching Regulator 15-36Vin 12Vout 1A

    RS PRO PCB Mount Switching Regulator, 12V dc Output Voltage, 16 → 36V dc Input Voltage, 1A Output Current

    RS Stock No.
    1933999
    Brand
    RS PRO
    VND
    2,924,025.28
    Tray (1 Tray of 50)