What is a DC/DC Converter?

• DC-DC Converter ＜What is a DC-DC Converter?＞ A DC-DC Converter converts one DC voltage to another DC voltage.
• AC vs. DC AC refers to current that changes in magnitude and polarity (orientation) with time. DC is characterized by current that does not change in polarity over time.
• Why is a DC-DC converter needed? A DC-DC converter is needed to convert and stabilize the voltage.
• Power Supply IC Types There are two main types of power supply ICs: linear regulators and switching regulators.
• Linear Regulator As its name suggests, a linear regulator is one where a linear component (such as a resistive load) is used to regulate the output.
• Switching Regulator A switching regulator is a voltage regulator that uses a switching element to transform the incoming power supply into a pulsed voltage, which is then smoothed using capacitors, inductors, and other elements.
• Operating Principle of Linear Regulators Linear regulators basically consist of 3 terminals, VIN , VO and GND.
• Linear Regulator Classifications Linear regulators classified by function are divided into positive and negative voltage types.
• What is an LDO? LDO can operate at a low potential difference between input and output.

Related sites

• DC-DC Power Supply Circuit Design Guide Please utilize ROHM's contents at every stage, from component selection and design to evaluation.