How Is My Power Supply Grounded?

There are generally two standard configurations when it comes to grounding in a switching power supply.
One method for a normal three wire line input is having the AC ground connected only to the inlet ground terminal. In this method, there is no connection to the output ground,…
LED Drivers: Constant Current or Constant Voltage Requirements

In order for typical LEDs to work, they require a DC voltage source. Depending upon how many LEDs are being powered and how they are wired, they will best employ either a constant voltage or constant current supply.
LED arrays with a built-in driver module will only need a …
Specifying Reliable Output Connectors

There are many styles of output connectors used in today’s power supplies.
Two of the most commonly used output connectors are the female barrel and male DIN. They are economical, widely available, and a good choice for many power supplies. However, there is a tendency to…