`
`DC-DC Converter
`What is a DC-DC converter?
`
`What is a DC-DC converter? | Electronics Basics | ROHM - global - Rohm.com
`
`As its name implies, a DC-DC converter converts one DC voltage to another.
`
`The operating voltage of different electronic devices such as ICs can vary over a wide range, making it necessary to
`provide a voltage for each device.
`
`A Buck Converter outputs a lower voltage than the original voltage, while a Boost Converter supplies a higher
`voltage.
`
`Linear or Switching Regulators
`
`DC-DC converters are also referred to as linear or switching regulators, depending on the method used for
`conversion.
`
`■ Device for converting to a lower voltage
`Buck or Step-Down converter
`■ Device for converting to a higher voltage
`Boost or Step-Up Converter
`■ Device capable of converting to a higher or lower voltage
`Boost-Buck Converter
`■ Device for supplying a negative voltage
`Negative Voltage or Inverting Converter
`
`AC vs. DC
`
`What is AC?
`Short for Alternating Current, AC refers to current that changes in magnitude and polarity (orientation) with time.
`
`https://www.rohm.com/electronics-basics/dc-dc-converters/what-is-dc-dc-converter
`
`1/3
`
`HPE 1044-0001
`
`HPE Co. v. ChriMar Sys., Inc.
`IPR Pet. - U.S. Patent No. 8,902,760
`
`＜
`＞
`
`
`It is often expressed in Hertz (Hz), the SI unit of frequency, which is the number of oscillations per second.
`What is a DC-DC converter? | Electronics Basics | ROHM - global - Rohm.com
`6/26/2018
`
`What is DC?
`DC, which stands for Direct Current, is characterized by current that does not change in polarity over time.
`
`However, there are small changes in magnitude that are also DC, called ripple current.
`
`Electrical appliances that plug into an outlet require an AC-DC converter to convert from AC to DC.
`
`This is because most semiconductor devices can operate only using DC.
`
`ICs and other components mounted on substrates used in sets feature specific operating voltage ranges that
`require different voltage accuracies.
`
`Unstable or improper voltage supplies can lead to characteristics degradation and even malfunction.
`
`To prevent this, a DC-DC converter is needed to convert and stabilize the voltage.
`
`https://www.rohm.com/electronics-basics/dc-dc-converters/what-is-dc-dc-converter
`
`2/3
`
`HPE 1044-0002
`
`
`
`6/26/2018
`
`What is a DC-DC converter? | Electronics Basics | ROHM - global - Rohm.com
`
`A device that stabilizes the voltage using a DC-DC converter is referred to as a voltage regulator.
`
`Power Management ICs (Product Group Page including DC-DC Converters)
`
`DC-DC Converter ICs (Product Search Page)
`
`Axial Leaded DC-DC Converters (Product Search Page)
`
`
`
`Electronics Basics
`
`What is a DC/DC converter?
`
`https://www.rohm.com/electronics-basics/dc-dc-converters/what-is-dc-dc-converter
`
`3/3
`
`HPE 1044-0003
`
`
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