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MLX90805SA-X Folha de dados(PDF) 6 Page - List of Unclassifed Manufacturers |
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MLX90805SA-X Folha de dados(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 13 page MLX90805 Intelligent Triac Controller MLX90805 Intelligent Triac Controller Page 6 Rev 1.2 17/May/00 Pinout Standard package is 8-pin dual inline package. (Known as DIP-8, PDIP-8, DIL-8 and PDIL-8) Precautions Disturbance Immunity According to pr EN 55014-2 ESD All I/O pins must withstand the normalized ESD pulses up to 2kV (100pF / 1.5 k Ω). The pins will be stressed in both polarities, with respect to the combi- nation of all supply pins. Pin Name Type Description 1 SET Input Potentiometer input 2 THP Input Thermal protection 3 FB Input Feed back to create hysteresis for thermal protection 4 ZC Input Zero cross input 5 TRG Output Triac driver output 6 VSS Supply Ground 7 VDDA Supply Supply, high level 8 VREF Output Reference voltage Options The following options are available: Firing angle definition The firing angles, and corresponding motor speeds, can be defined in ROMi[9:0]. This is the ROM table which is addressed by the ADC reading the potentiometer setting. The ROM contains 16 words of 10 bits. For programming the different speed settings in the ROM table, following formula can be used, given ti (in msec) is the delay from the previous zero crossing to the moment of ignition: With: Fmains = frequency of the mains (in Hz) Note: The value should not be negative: very small values can not be programmed. The content of the ROM can be defined freely: it does not need to be linear or continuous. However for a proper softstart generation under all conditions, the value with minimum firing angle (thus maximum speed) must be in the highest ROM address. Default values: Rom address Value 0 590 1 567 2 544 3 522 4 500 5 477 6 456 7 434 8 411 9 387 10 362 11 335 12 305 13 273 14 231 15 112 10 2 ] 0 : 9 [ − • • = Fmains ti ROMi |
Nº de peça semelhante - MLX90805SA-X |
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Descrição semelhante - MLX90805SA-X |
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