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STK672-210-E датащи(PDF) 8 Page - ON Semiconductor |
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STK672-210-E датащи(HTML) 8 Page - ON Semiconductor |
8 / 10 page STK672-210-E No. 7464-8/10 STK672-210-E Allowable Avalanche Energy Value [Allowable Range in Avalanche Mode] When driving a 2-phase stepping motor with constant current chopping using an STK672-2** Series hybrid IC, the waveforms shown in Figure 1 below result for the output current, ID, and voltage, VDS. Figure 1 Output Current, ID, and Voltage, VDS, Waveforms 1 of the STK672-2** Series when Driving a 2-Phase Stepping Motor with Constant Current Chopping VDSS: Voltage during avalanche operations IOH: Motor current peak value IAVL: Current during avalanche operations tAVL: Time of avalanche operations VDS ID ITF02557 ITF02295 0 20 40 60 80 100 120 Substrate temperature, Tc - °C IOH - Tc 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 0 ITF02298 020 10 40 60 80 100 30 50 70 90 110 Substrate temperature, Tc - °C IOH - Tc 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 ITF02297 100 23 5 7 1000 23 5 7 10000 Input frequency, CLK - Hz 10 20 30 40 50 60 70 80 0 ITF02296 0 0.5 1.0 1.5 2.0 2.5 3.0 Hybrid IC internal power dissipation, Pd - W ΔTc - Pd ΔTc - CLK 10 20 30 40 50 60 70 80 90 0 IOH=1.3A 2ex Motor voltage: 24V Vertical, independent, heat sink without fins Natural convection Motor: R=3.3 Ω, L=3mH IOH=1A 2ex IOH=1A 1-2ex Conditions: Motor voltage=24V Motor: R=0.4 Ω, L=1.2mH Motor running Motor hold state current |
Аналогичный номер детали - STK672-210-E |
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Аналогичное описание - STK672-210-E |
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