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ST1111N 数据表(PDF) 6 Page - Silicon Touch Technology Inc. |
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ST1111N 数据表(HTML) 6 Page - Silicon Touch Technology Inc. |
6 / 7 page 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. ST1111N SP-ST1111N-A.004(2007-07-12) Version : A.004 Page :5 Application Notes There is no requirement of protection diode for power reverse fault in normal applications. The reverse protection function is built-in. The FG pin is an open-drained output dividing the frequency sensed by HALL IC with 2. With suitable output pull up, the fan tachometer output can be used directly with bipolar or MOS logic for motor speed monitoring/control. There is no requirement of the bypass capacitor or Zener Diode between VDD and GND in normal applications. The connection of this capacitor or Zener Diode between VDD and GND will increase stability of operation, if required. The power dissipated by the IC varies widely with the supply voltage, the output current, and loading. It is important to ensure the application does not exceed the allowable power dissipation of the IC package. The recommended motor driver power dissipation versus temperature is depicted as follows: Power Dissipation-Temperature 0 50 100 150 200 250 300 350 400 0 25 50 75 100 125 150 Ambient Temperature ( ℃ ) |
类似零件编号 - ST1111N |
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类似说明 - ST1111N |
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