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Análise da transferência de ondulação de baixa frequência em drivers de LEDs
(Universidade Federal de Santa Maria, 2019-03-01)
This work presents the analysis of low frequency ripple transmission from the bus voltage to the output current in LED drivers, in the power control stage. The buck, boost and buck-boost converters, operating in discontinuous ...
Análise comparativa entre o conversor BUCK e o conversor ressonante LLC em drivers de leds visando aspectos industriais
(Universidade Federal de Santa Maria, 2019-08-30)
This paper presents a quantitative design analysis, performance prediction and practical testing of buck and half-bridge LLC resonant converters as a solution for a power control stage in the realization of a 180 W driver ...