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TS19450CSRL Scheda tecnica(PDF) 6 Page - Taiwan Semiconductor Company, Ltd |
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TS19450CSRL Scheda tecnica(HTML) 6 Page - Taiwan Semiconductor Company, Ltd |
6 / 8 page TS19450 AC/DC WLED Driver with External MOSFET Universal High Brightness 6/8 Version: A10 Application Information (Continue) PWM Dimming PWM Dimming can be achieved by driving the PWMD pin with a low frequency square wave signal. When the PWM signal is zero, the GATE driver is turned off and when the PWMD signal if high, the GATE driver is enabled. Since the PWMD signal does not turn off the other parts of the IC, the response of the TS19450 to the PWMD signal is almost instantaneous. The rate of rise and fall of the LED current is thus determined solely by the rise and fall times of the inductor current. To disable PWM dimming and enable the TS19450 permanently, connect the PWMD pin to VDD |
Codice articolo simile - TS19450CSRL |
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Descrizione simile - TS19450CSRL |
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