| 摘要 |
A method for controlling a cooling device for a switched power device, e.g., a digital amplifier, is presented. The method includes sensing the output signal and adjusting the power of the cooling device according to the output power of the switched power device. The invention eliminates the need for temperature sensors attached to the heat sink by recognizing that the heat generated in switched power devices is correlated to the output power. Further, a circuit implementing the method and an amplifier using the inventive circuit is presented.
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