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应用功能：Universal Switching Regulator Subsystem The LM78S40 is a monolithic regulator subsystem consistingof all the active building blocks necessary for switchingregulator systems. The device consists of a temperaturecompensated voltage reference, a duty-cycle controllableoscillator with an active current limit circuit, an error amplifier,high current, high voltage output switch,a power diodeand an uncommitted operational amplifier.
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