Writer：Jane Time：2021-06-30 Browse：173
Q: In addition to the constant current driver, is the display pulse driver OK? How is the pulse drive controlled? How to calculate the driving power?
A: Absolutely. By using constant current source mirror circuit +PWM modulation, the luminous efficiency can be higher in theory, but in practice, the efficiency is not so ideal after taking into account the loss during on-off switching and the leakage current during OFF, and it is not suitable for high-power LED drivers. In addition, laser diode is also driven by pulse, will not become a new direction of development in the future is unknown.
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