CPC H02M 1/44 (2013.01) [H02M 1/007 (2021.05); H02M 1/0025 (2021.05); H02M 3/155 (2013.01); H02M 7/217 (2013.01)] | 20 Claims |
1. A method for reducing electromagnetic interference (EMI) for a frequency-modulated DC-DC converter, the method comprising:
pre-regulating an input voltage of the frequency-modulated DC-DC converter, so that the frequency-modulated DC-DC converter changes an operating frequency of the frequency-modulated DC-DC converter to stabilize an output voltage of the frequency-modulated DC-DC converter, so as to achieve a desired frequency extension; wherein
a spread spectrum range of the operating frequency of the frequency-modulated DC-DC converter is larger than a bandwidth of a bandpass filter of an EMI measurement apparatus.
|