be used to maximize the power transfer through the use of impedance matching. An application of this is in a maximum power point tracker commonly used in photovoltaic systems. This is particularly useful in applications where the impedances are dynamically changing. See also Split-pi topology References Bibliography External links https://www.ipes.ethz.ch/mod/lesson/view.php?id=2 Interactive Power Electronics Seminar (iPES)] Many Java applets demonstrating the operation of converters Model based control of digital buck converter Description and working VisSim source code diagram for low cost digital control of DC-DC buck converters SPICE simulation of the buck converter Switch-Mode Power Supply Tutorial - Detailed article on DC-DC converters which gives a more formal and detailed analysis of the Buck including the effects of non-ideal switching (but, note that the diagram of the buck-boost converter fails to account for the inversion of the polarity of the voltage between input and output). DC-DC Power Converter Case study On the Power Efficiency Optimization Multiphase DC-DC converter Voltage regulation Choppers