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MLX90805 データシート(PDF) 10 Page - List of Unclassifed Manufacturers |
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MLX90805 データシート(HTML) 10 Page - List of Unclassifed Manufacturers |
10 / 13 page MLX90805 Intelligent Triac Controller MLX90805 Intelligent Triac Controller Page 10 Rev 1.2 17/May/00 Applications Example - Soft Start with 3-Wire Setting 90805 T H P Vref FB SET NTC Pot Vss RZ L RM ZC N Vdda TRG Cf M R1 R2 Soft Start With 3-Wire Setting The speed control is performed in addition to the soft start in this application. A potentiometer in 3-wire connection is used to define different speed settings. The input signal for the ADC varies between 0 and VREF. The minimum speed corresponds to a maximum volt- age at SET. Maximum speed corresponds to a mini- mum voltage at SET. When the mains voltage is ap- plied to the system, the motor starts running at a speed defined by the potentiometer, as soon as the soft start time has finished. The voltage at SET is transferred to a 4 bit value to address a ROM table in which the different phase angles are defined with a 10 bit resolution. The 3-wire mode is selected by connecting VFB to VSS (eventually via a resistor). Note: R1, R2 and NTC are only needed for thermal pro- tection, and can be left out otherwise |
同様の部品番号 - MLX90805 |
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同様の説明 - MLX90805 |
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