发明授权
US09148918B2 Feedforward circuit for fast analog dimming in LED drivers 有权
LED驱动器中快速模拟调光的前馈电路

Feedforward circuit for fast analog dimming in LED drivers
摘要:
Methods, devices, and circuits are disclosed delivering a first level of output current to one or more loads in a buck-boost converter comprising an inductor. The methods, devices, and circuits may further be disclosed applying, in response to an indication of an altered output current requirement to one or more loads in a buck-boost converter comprising an inductor, a change in a supplied reference voltage to one or more elements including a feedforward control element, wherein applying the change in the supplied reference voltage to the feedforward control element causes an adjustment of the output current from the first level to a second level corresponding to the altered current output requirement.
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