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CAT3616 Datasheet(PDF) 11 Page - Catalyst Semiconductor |
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CAT3616 Datasheet(HTML) 11 Page - Catalyst Semiconductor |
11 / 14 page CAT3616 © Catalyst Semiconductor, Inc. 11 Doc. No. MD-5018 Rev. C Characteristics subject to change without notice APPLICATION INFORMATION Single wire Dimming Application The dimming control can be achieved through a single wire interface by connecting together all three logic input signals EN, ENM ¯¯¯ and ENS ¯¯¯ as shown on Figure 3. The common enable signal is set high to enable the driver. On the first negative going pulse, the LEDs turn full on. The pulse low state duration (between the falling and rising edges) must be shorter than 0.5msec. Any consecutives pulses reduce the LED current by 1mA. The enable signal is kept low for more than 1.5msec to turn off all the LED channels and set the driver in shutdown mode, as shown on Figures 4. Figure 3. Single Wire Dimming Control Figure 4. Single Enable Timing Diagram |
Similar Part No. - CAT3616_08 |
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Similar Description - CAT3616_08 |
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