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DM133 Folha de dados(PDF) 11 Page - Silicon Touch Technology Inc. |
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DM133 Folha de dados(HTML) 11 Page - Silicon Touch Technology Inc. |
11 / 20 page DM133 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 16-Bit Constant Current LED Drivers -10- Version :A.024 3)Serial_Out Timing Selection The SERIAL_OUT output timing can be changed by the level of SOMODE. When SOMODE is set high, data is shifted out on synchronization to the falling edge of CLOCK, and when SOMODE is set low, data is clocked out to SERIAL_OUT synchronized on the rising edge of CLOCK. The graph below depicts the timing of data serial-in and serial-out. 4)Thermal Alarm The open-drain ALARM pin will go low when the IC junction temperature is approximately above 150℃. As the thermal alarm is issued, the system should cool down the temperature (by lowering the PWM current output, or by turning on the fan system, …etc.). The ALARM pin will return to high when the IC junction temperature is approximately below 100℃ or when the power is turned on again after turned off for several seconds. Operation in a thermal alarm situation for long time may cause permanent damage to the IC. CLOCK SERIAL_IN LATCH ENABLE OUT0 OUT1 OUT2 OUT3 OUT13 OUT14 OUT15 5V 0V 5V 0V 5V 0V 5V 0V ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF SOMODE 5V 0V 5V 0V SERIAL_OUT Previous Data 16 Clocks DATASEL 5V 0V |
Nº de peça semelhante - DM133 |
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Descrição semelhante - DM133 |
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