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Industry: Email Alert RSS FeedAC-DC current-mode PWM controller.(Featured Products)
EDN, July, 2005
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The LM5021 off-line pulse width modulation (PWM) controller contains all of the features needed to implement highly efficient off-line single-ended flyback and forward power converters using current-mode control. The LM5021 features include an ultra-low (25 [micro]A) start-up current, which minimizes power losses in the high-voltage start-up network.
A skip-cycle mode reduces power consumption with light loads for energy-conserving applications (such as ENERGY STAR[R], CECP). Additional features include under-voltage lockout, cycle-by-cycle current limit, hiccup-mode overload ...
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