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STK681-352GEVB Folha de dados(PDF) 3 Page - ON Semiconductor |
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STK681-352GEVB Folha de dados(HTML) 3 Page - ON Semiconductor |
3 / 14 page STK681-352-E No.A1929-3/14 Derating Curve of Motor Current, IO, vs. STK681-352-E Operating Board Temperature, Tc (The maximum PWM frequency is 50kHz.) The PWM frequencies in the above graph indicate the ENABLE signal. The same PWM IO derating curves as those shown above will be obtained when the internal PWM frequency of the STK681-352-E is used. Increasing the VCC supply voltage narrows the IO derating curve range, so IO should be set in reference to the above graph. The above operating substrate temperature, Tc, is measured immediately when the motor is started. Since Tc fluctuates due to the ambient temperature, Ta, the motor current value, and continuous or intermittent operations of the motor current, always confirm this values using an actual set. The Tc temperature should be checked in the center of the metal surface of the product package. STK681-352-E Allowable Brake Current Range (Low side: F3, F4=ON) 7 5 6 1 0 080 20 40 60 100 70 10 30 50 90 110 IO - Tc Operating Substrate Temperature, Tc- C 3 4 2 DC PWM(VCC=24V) 1.0 23 5 1000 10 72 3 5 7 23 5 100 7 7 6 5 IOB - t Conduction time, t - ms 13 11 12 10 9 8 Tc=25°C 70°C 80°C 90°C 105°C |
Nº de peça semelhante - STK681-352GEVB |
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Descrição semelhante - STK681-352GEVB |
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