发明名称 |
Low consumption converter directly connectable to the mains |
摘要 |
A converter that is directly connectable to an AC power source (e.g., the mains) includes a rectifier stage for rectifying a network voltage, a power factor correction pre-regulating circuit supplied with the rectified network voltage for producing a DC voltage of a predetermined nominal value on an output node, and a DC-DC converter. The DC-DC converter may be supplied on an input node thereof with the DC voltage of the predetermined nominal value for producing a regulated DC voltage on an output node thereof. The DC-DC converter may use a clock whose frequency is selected between at least one low and one high value by a selection signal. Furthermore, the converter may also include a stand-by circuit for producing the selection signal based upon the current delivered to the load.
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申请公布号 |
US6424549(B1) |
申请公布日期 |
2002.07.23 |
申请号 |
US20010916185 |
申请日期 |
2001.07.26 |
申请人 |
STMICROELECTRONICS S.R.L. |
发明人 |
GATTAVARI GIUSEPPE;ADRAGNA CLAUDIO |
分类号 |
H02M1/00;H02M1/42;(IPC1-7):H02M5/42 |
主分类号 |
H02M1/00 |
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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