发明名称 |
System and method for switch mode power supply delay compensation |
摘要 |
A delay applied to a turn-on time for a high side switch in a switch mode power converter prevents oscillation between continuous and discontinuous conduction modes under light load conditions. The delay equalizes turn-on time for a high side switch with respect to continuous and discontinuous modes, so that turn-on time is not treated differently between the different modes. The delay value can be set for be equivalent to a propagation delay through a driver for a low side switch, in addition to a turn-off time for the low side switch. The addition of the delay element tends to maintain the switch mode power converter in a discontinuous mode under light load conditions and avoids oscillation between discontinuous and continuous conduction modes.
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申请公布号 |
US7932703(B2) |
申请公布日期 |
2011.04.26 |
申请号 |
US20080217242 |
申请日期 |
2008.07.02 |
申请人 |
TEXAS INSTRUMENTS INCORPORATED |
发明人 |
BROHLIN PAUL L.;TERRY STEPHEN;STAIR RICHARD K. |
分类号 |
G05F1/10;G05F1/652 |
主分类号 |
G05F1/10 |
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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