资料介绍
5989-2291EN_understanding linear power supply operationUnderstanding Linear Power Supply Operation
Application Note 1554
Contents
Overview of linear power supply operation / 2 Output characteristics / 3 Extending the voltage and current range / 5 Remote programming / 6 This application note describes the basic operation of linear power supplies. You will also find information to help you better understand output characteristics of a linear power supply compared to an ideal supply.
Overview of linear power supply operation
The basic design model for a power supply consists of a control element in series with a rectifier and load device. Figure 1 shows a simplified schematic of a series-regulated supply with the phase-controlled pre-regulator depicted as a power switch and the series element depicted as a variable resistor. The phase-control
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