Integrated Load Switches versus Discrete MOSFETs

Alek Kaknevicius @ ti.com discuss about load switches and the advantages of intergrated switches over discrete ones.

The most common approach to load switching solutions is to use a Power MOSFET surrounded by discrete resistors and capacitors; however, in most cases using a fully integrated load switch has significant advantages. While both discrete and integrated load switching solutions perform the same basic function (turn on and turn off), distinctions exist, such as the transient behavior and total solution size. This application report highlights many drawbacks and limitations of a discrete switching solution and discusses how they can be overcome with an integrated load switch.

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