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  • Users: CTLee123
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  1. CTLee123

    LM2409 Analog current dimming issue

    Hello, On the LM3409 we are driving 4 series LEDs and are having difficulty getting the LEDs to dim far enough down using the IADJ pin (using the analog 0-1.24V control). At 0V, we still have about 13mA @ 10V flowing through the LEDs string and thus the LEDs are still lit. Looking more closely...

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