发明名称 |
Adaptive slope compensation method for stabilizing a continuous conduction mode converter |
摘要 |
An embodiment of the invention relates to a power converter operable in a continuous conduction mode and a discontinuous conduction mode that includes a current-sense circuit element configured to produce a current-sense signal dependent on a current in an inductor of the power converter, and a difference circuit configured to produce a difference signal representing a difference of the current-sense signal and a signal representing an output characteristic of the power converter such as an output voltage. The difference signal is constrained to be above a difference signal threshold value. A slope compensation circuit is configured to produce a slope-compensated signal that includes a sum of the difference signal and the current-sense signal. A controller is configured to control a duty cycle of a power switch of the power converter in response to the slope-compensated signal by comparing the slope-compensated signal with a voltage threshold controlled by a feedback circuit. |
申请公布号 |
US8149601(B2) |
申请公布日期 |
2012.04.03 |
申请号 |
US20080170641 |
申请日期 |
2008.07.10 |
申请人 |
XIAOWU GONG;KAM KOK SIU;HANN THIAN YAW;INFINEON TECHNOLOGIES AG |
发明人 |
XIAOWU GONG;KAM KOK SIU;HANN THIAN YAW |
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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