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A switch mode power converter having an overload protection system is disclosed. The system includes an input stage having an input voltage source. A switching circuit for coupling said input source to an output stage is provided. The output stage further includes a first filter circuit providing an...
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Format: | Patent |
Sprache: | ger |
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Zusammenfassung: | A switch mode power converter having an overload protection system is disclosed. The system includes an input stage having an input voltage source. A switching circuit for coupling said input source to an output stage is provided. The output stage further includes a first filter circuit providing an output current to a load circuit. A second filter circuit is coupled to the output stage providing a voltage proportional to the output current and to internal temperature of the switch mode converter. An error amplifier responsive to the voltage derived by a second filter and a reference voltage, generates an error signal proportional to the difference of the voltage applied to the error amplifier. The error signal adjusts the operating parameters of the switching circuit. |
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