发明名称 |
BOOTSTRAP CIRCUIT FOR SWITCHING POWER SUPPLIES |
摘要 |
The present invention refers to a starting circuit for switching power supplies (SMPS), to a switching power supply comprising a starting circuit )and an integrated circuit of a switching power supply. In an embodiment thereof the starting circuit (13) for switching power supplies having a first supply voltage (Vin) coming from a first terminal and a second supply voltage (Vcc) coming from a second terminal and a third tenninal (30); said starting circuit comprises: a first current path between said first terminal and said third terminal (30); a second current path between said first tenninal and said second terminal; a third current path between said second terminal and said third terminal (30); a two-way voltage regulator (M3, Dz2, R5, R6) placed along said second current path. |
申请公布号 |
WO2004010569(A1) |
申请公布日期 |
2004.01.29 |
申请号 |
WO2002IT00478 |
申请日期 |
2002.07.19 |
申请人 |
STMICROELECTRONICS S.R.L.;FAGNANI, MAURO;PIDUTTI, ALBINO;ADRAGNA, CLAUDIO |
发明人 |
FAGNANI, MAURO;PIDUTTI, ALBINO;ADRAGNA, CLAUDIO |
分类号 |
H02M1/00;H02M1/36;H02M3/335 |
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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