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Power Supply IC Types

Power Supply IC Types

Power supply ICs are roughly divided into two types: linear regulators and switching regulators.
In the case of a linear regulator, the only output format is buck (step-down) operation that generates a lower voltage than the input voltage.

In contrast, switching regulators are offered in four output formats that provide greater flexibility:
・ Buck type that produces a voltage lower than the input voltage
・ Boost type that generates a voltage higher than the input voltage
・ Buck-boost type that outputs a constant voltage regardless of high or low input
・ Inverting type that produces a negative voltage from a positive voltage

The rectification methods of switching regulators include both synchronous and asynchronous (diode rectification) topologies.

[Power Supply IC Types]

Power Supply IC Types

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