Selecting the Right Ultra-Low Quiescent-Current LDO Regulator

The use of low-dropout regulators, popularly known as LDOs, is common in many applications today because they provide a simple and inexpensive way to regulate an output voltage that is stepped-down from a higher input voltage. In addition, linear LDO voltage regulators contribute very-low noise as compared to switching regulators. Nonetheless, to keep system power consumption low, such regulators must also ...

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