AN-7517 Practical Aspects of Using PowerMOS Transistors to Drive Inductive Loads
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چکیده
Many of the more recent applications of PowerMOS transistors, particularly low voltage devices, have been as solenoid drivers. In this type of application the device is simply used as a switch to turn the current through a solenoid, relay or other inductive load on and off (Figure 1). Since the dissipation is low, a very small or no heat sink will be required. This note will cover the application of the rating and characteristics of PowerMOS transistors to that type of application and illustrate the process of selecting a suitable transistor.
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