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DM11C Arkusz danych(PDF) 11 Page - Silicon Touch Technology Inc. |
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DM11C Arkusz danych(HTML) 11 Page - Silicon Touch Technology Inc. |
11 / 34 page 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC . 8-bit Constant Current LED Driver with Error Detection Version:A.002 Page 10 未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任 Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement. DM11C Constant-Current Output Constant-current value of each output channel is set by an external resistor connected between the REXT pin and GND. Varying the resistor value can adjust the current scale ranging from 5mA to 120mA. The reference voltage of REXT terminal (Vrext) is approximately 0.6V. The output current value is calculated roughly by the following equation: Iout(mA) 5 10 20 30 40 50 60 70 80 90 100 110 120 M 99.7 98.1 96.0 94.2 92.5 90.8 89.1 87.1 85.1 84.4 80.5 78 70.6 Output Current as a Function of Rrext value 0 10 20 30 40 50 60 70 80 90 100 110 120 130 01 23 45 678 9 10 11 12 Rrext (KΩ) Output Current as a Function of Output Voltage 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 Vout (V) In order to obtain a good performance of constant-current output, a suitable output voltage is necessary. Users can get related information about the minimum output voltage above. Iout (mA) ~ Vrext (V) Rrext (KΩ) × M |
Podobny numer części - DM11C |
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Podobny opis - DM11C |
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