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METHOD AND APPARATUS TO LIMIT CURRENT OVERSHOOT AND UNDERSHOOT IN LIGHT DRIVER
METHOD AND APPARATUS TO LIMIT CURRENT OVERSHOOT AND UNDERSHOOT IN LIGHT DRIVER
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机译:限制光驱动器中电流过高和过高的方法和装置
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摘要
A light driver having a primary side driver configured to convert an input from a mains power supply to a primary side output, and a secondary side driver coupled to the primary side driver and configured to rectify and filter the primary side output to provide a driver output current for driving a light load. A microcontroller controls the light driver at start-up so that the secondary side driver is powered-on and the primary side driver is in a non-powered state during a soft-start period, and subsequent to the soft-start period the secondary side driver is set to be in a low output state when powered-on and thereafter set to a state so that driver output current of the secondary side driver increases the light output from the light load from an initial dim level to a nominal dim level without flicker.
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