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TCA305 Datasheet(PDF) 4 Page - Siemens Semiconductor Group |
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TCA305 Datasheet(HTML) 4 Page - Siemens Semiconductor Group |
4 / 7 page Semiconductor Group 4 TCA 305 TCA 355 Absolute Maximum Ratings Operating Range Characteristics VS = 12 V, TA = – 25 to 85 ˚C Parameter Symbol Unit Limit Values Supply voltage Output voltage VS VQ 35 35 Output current IQ mA 50 V V Junction temperature Storage temperature range Tj Tstg 150 – 55 to 125 ˚C ˚C Thermal resistance system - air TCA 305 A TCA 305 G Rth SA Rth SA 85 (135)2) 140 (200)2) K/W K/W Distance, hysteresis resistance RDi, RHy Ω 0 Capacitances CI, CD µF 5 Supply voltage VS V 5 to 303) Oscillator frequency fOSC MHz 0.015 to 1.5 Ambient temperature TA ˚C – 25 to 85 Parameter typ. min. max. Unit Test Condition Limit Values Symbol Open-loop current consumption 0.6 0.9 (1.0)2) mA outputs open IS Reference voltage1) L-output voltage per output 3.2 0.04 0.10 0.22 0.15 0.35 0.75 V V V V IREF< 10 µA IQ L = 5 mA IQ L = 25 mA IQ L = 50 mA VREF VQ L VQ L VQ L H-output current per output 10 µA VQ H = 30 V IQ H Threshold at 3 Hysteresis at 3 2.1 0.5 0.4 0.6 V V VS 3 VHy Turn-ON delay1) 600 – 25 % – 25 % ms/ µF TA = 25 ˚C tD ON Switching frequency w/o CI 5 kHz fS 1) TCA 305 only 2) Values in parenthesis apply to TCA 355 only 3) Operation at voltages less than 5 V (between approx. 2.5 and 5 V) is possible, if VREF is connected to VS. In this case VREF is no longer internally stabilized. Additionally, the pin "turn-on delay" is to be applied as follows: If no turn-on delay is needed, this pin has to be connected to VS. If, however, a turn-on delay is required, the charge current for DD has to be adjusted with an external resistor between this pin and VS (recommended value 390 k ). Ω |
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