When Is a Regulator a Regulator?

Regulator Needed for Stable, Noise- and Ripple-Free DC Relationship. Does your nice circuit get what he needs from the power supply? Jan Didden explores when a regulator is a regulator. ...when it regulates, you’d think. Yet, in many online fora and discussions you see circuits that ‘do something’ but there’s absolutely no regulation taking place.

Magnachip Semiconductor Corporation announced has begun mass production of two new 650V Super Junction Metal-Oxide-Semiconductor Field-Effect Transistors (SJ MOSFET) devices. These new SJ MOSFETs offer excellent design flexibility, efficient heat dissipation, and low RDS(on) (the resistance value between the drain and the source of MOSFETs during on-state operation) characteristics. As a result, they are well-suited for various applications that require compact size and high efficiency inc consumer electronics, as well as for chargers and adapters.

In this second article, Brian Lowe (Belleson LLC) continues his search for the Unicorn of "Measuring Voltage Regulator Ripple Rejection," this time focusing on the test fixtures. Testing a voltage regulator with exceptionally good performance requires an even more exceptional signal source and measurement setup to measure sub-microVolt ripple across a wide frequency range. Complementing the final article, Jan Didden, offers an informative sidebar about super regulators. This article was originally published in audioXpress, June 2019.

Everything you need to know about how parts function, and how to select and maintain them. In the second part of this article, the author continues to examine electronic circuits with a look at some common circuit components, like resistors, semiconductors, diodes, small signal transistors, power Semiconductors, and microelectronics. This article series was published in audioXpress, from November 2001 to January 2002.