Boost type power converting apparatus with protection circuit

摘要

A boost type power converting apparatus is disclosed. The boost type power converting apparatus includes a boost type power converting circuit and a protection circuit. The boost type power converting circuit receives an input voltage and generates an output signal at an output terminal thereof according to the input voltage, and outputs the output signal to a load. The protection circuit is coupled between the boost type power converting circuit and the load in series to form an electrical loop, and turns on or off the electrical loop according to the output signal.

主权项

1. A boost type power converting apparatus, comprising:
a boost type power converting circuit, having an output terminal, receives an input voltage and generates an output signal at the output terminal according to the input voltage, the boost type power converting circuit outputs the output signal to a load; and a protection circuit, coupled between the boost type power converting circuit and the load to form an electrical loop, and turning on or turning off the electrical loop according to the output signal, wherein the protection circuit comprises:
a high-end detecting circuit, coupled to the load, for receiving the output signal and generating a control signal according to the output signal; anda switch module, coupled between the high-end detecting circuit and the output terminal of the boost type power converting circuit, and being turned on or turned off according to the control signal.