High‐power‐factor electronic ballast zero voltage switching and low d
v/
d
t
with combination of charge pump and valley fill based on class DE
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2014 ◽
Vol 29
(9)
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pp. 4949-4958
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2005 ◽
Vol 52
(2)
◽
pp. 427-435
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2010 ◽
Vol 39
(7)
◽
pp. 733-749
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