Discussion on the LED Driver
Date:2011-06-07 14:49
Status:Be resolved
Question:admin
Many portable applications require LED brightness adjustment. In applications such as LCD backlighting, dimming feature provides brightness and contrast adjustment. We can use two dimming methods: analog and PWM. Use analog dimming, 50% imposed by the maximum LED current can achieve 50% brightness. This approach is that there will be LED color shift and the need for analog control signal, so usage is generally not high. Busy degree of a lower full current applied to the LED PWM dimming can be ac
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