Xinsu Global Electronic Co., Limited

Technique Articles

  • What is Inrush Current2017/12/25Inrush Current refers to the peak current of power equipment at the moment of power on. This "Inrush Current" will appear every time you turn on the power and then the current will come back to normal...
  • What is Ripple & Noise? How to Measure it?2017/12/25It is a small unwanted residual periodic variation of the direct current (DC) output of a power supply which has been derived from an alternating current (AC) source. The wave form is shown as figure ...
  • What Are The Protections Of Overload Or Over-current?2017/12/25When current drawn exceeds the rating of the PSU, the protection circuit will be triggered to protect the unit against overload or over-current. Protections of overload or over-current can be divided ...
  • How To Choose A Switching Power Supply?2017/12/25To increase the reliability of the switching power supply, we suggest users choose a unit that has a rating of 30% more power than actual need. For example, if the system needs a 100W source, we sugge...
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