Biasing the TL431 for Improved Output Impedance
Jan 1, 2005
The TL431 is a well-known voltage reference integrated circuit used in Switch-Mode Power Supply (SMPS) feedback loops. Combining a reference voltage and...
Circuit Analysis Accounts For Magnetic Fields
Nov 1, 2004
Ohm's law and Kirchhoff's voltage law (KVL) provide powerful tools for conventional circuit analysis (mesh analysis), but if time-varying magnetic fields...
Droop Compensation Versus Ideal Regulation
Nov 1, 2004
Advances in silicon technology have led to significantly faster processors, memory and switching logic. These high-performance semiconductor devices can...
-48-V to 10-V Power Converter Using Push-Pull Topology
Oct 1, 2004
Distributed -48-V power systems often require a positive bias supply rail to power communications and system monitoring circuits. When input-to-output...
Power Converters for Micro Fuel Cells
Oct 1, 2004
Micro fuel cells have made tremendous strides in the past few years. New materials and fuel-delivery mechanisms have enabled energy density surpassing...
Fully Integrated DC-DC Converters
Aug 1, 2004
In the not-so-distant past, virtually every component of a power supply was a discrete unit from the controller IC to the MOSFETs and everything around...
Capacitor Ripple Current Improvements
Aug 1, 2004
The multiphase buck regulator topology allows a reduction in the size of the input and output capacitors versus single-phase designs. By quantifying the input and output currents, designers
can determine the requirements for the input and output capacitors....
Linear Post Regulators for DC-DC Converters
Jun 1, 2004
The output ripple of a standard isolated dc-dc converter is between 0.5% and 1% of its nominal output voltage. For applications requiring a lower output...
Guide to Selecting Inductors for Switching Regulators
Jul 1, 2003
Selecting an off-the-shelf inductor with correct inductance value for a switching regulator is no simple process. Here's a guide that simplifies this process....
