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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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IPS1025H датащи(PDF) 17 Page - STMicroelectronics |
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IPS1025H датащи(HTML) 17 Page - STMicroelectronics |
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17 / 32 page  8 Active clamp Active clamp is also known as Fast Demagnetization of inductive loads or Fast Current Decay. When a high-side driver turns off an inductance, an under-voltage on output is detected. The OUT pin is pulled-down to VCC-VDEMAG. The conduction state is modulated by an internal circuitry in order to keep the OUT pin voltage at ~VDEMAG until the load energy has been dissipated. The energy is dissipated in both IC internal switch and load resistance. Figure 11. Active clamp equivalent principle schematic OUT VCC PGND RPD SUPPLY RAIL GROUND PLANE APPLICATION BOARD IC . . . . . . LLOAD Figure 12. Typical demagnetization energy (single pulse) at VCC = 24 V and TAMB = 125 °C IPS1025H, IPS1025H-32, IPS1025HQ, IPS1025HQ-32 Active clamp DS13780 - Rev 3 page 17/32 |
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