发明名称 |
Control method and device for switching power supplies having more than one control mode |
摘要 |
A control device for controlling a switching power supply adapted to convert an input voltage into an output voltage according to a switching rate of a switching element. The control device includes first control means for switching the switching element in a first working mode at a constant frequency and second control means for switching the switching element in a second working mode at a variable frequency, under a maximum frequency, in response to the detection of a predefined operative condition of the switching power supply. The control device further includes means for selecting the first working mode or the second working mode. |
申请公布号 |
US8665614(B2) |
申请公布日期 |
2014.03.04 |
申请号 |
US20070906132 |
申请日期 |
2007.09.28 |
申请人 |
LOMBARDO GIOVANNI;ADRAGNA CLAUDIO;TUMMINARO SALVATORE;STMICROELECTRONICS S.R.L. |
发明人 |
LOMBARDO GIOVANNI;ADRAGNA CLAUDIO;TUMMINARO SALVATORE |
分类号 |
H02M3/335 |
主分类号 |
H02M3/335 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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