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LDO Linear RegulatorsHow to use
Load regulation, one of important specifications for an LDO regulator, indicates the amount of output voltage variations caused by output load current changes.
Load transient response is another important characteristic. While the load regulation refers to the amount of output voltage variations among static operation at different load conditions, the load transient response represents the dynamic output voltage response waveform against the rapid load current change.
The figure below illustrates a typical pattern of output voltage waveform (shown by the red line) caused by output current rapid change (shown by the blue line). On the other hand, the difference between the output voltage at no load and the constant and stable output voltage after the load current change is called 'load regulation'.
Typical Characteristics: Load Transient Response