发明名称 |
TUNED SWITCH-MODE POWER SUPPLY WITH CURRENT MODE CONTROL. |
摘要 |
In a tuned switch mode power supply a zero voltage is maintained across a transistor switch, during both turn off and turn on switching transition intervals in the transistor switch. The tuned switch mode power supply operates in a current-mode control, on a current pulse-by-current pulse control basis. A modulator of the power supply includes a pair of transistors that form a regenerative switch to produce a portion of a control signal of the transistor switch that causes the transistor switch to turn off. A transformer-coupled input supply voltage maintains the transistor switch conductive as long as the current in the transistor switch does nor exceed the threshold level of a regenerative switch. A resonant pulse is transformer-coupled from the resonant circuit to the regenerative switch for turning off the regenerative switch and for maintaining the transistor switch non conductive after the regenerative switch is turned off.
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申请公布号 |
MX9604531(A) |
申请公布日期 |
1997.08.30 |
申请号 |
MX19960004531 |
申请日期 |
1996.10.02 |
申请人 |
THOMSON CONSUMER ELECTRONICS, INC. |
发明人 |
WILLIAM VINCENT FITZGERALD |
分类号 |
H04N3/18;H02M3/28;H02M3/335;H02M3/338;(IPC1-7):G05F01/00 |
主分类号 |
H04N3/18 |
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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