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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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IPS2050H 데이터시트(PDF) 17 Page - STMicroelectronics |
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IPS2050H 데이터시트(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 12. Active clamp equivalent principle schematic OUTX VCC GND RPD SUPPLY RAIL GROUND PLANE APPLICATION BOARD IC . . . . . . LLOAD Figure 13. Typical demagnetization energy (single pulse, two channels driven simultaneously) at VCC = 24 V and TAMB = 125 °C IPS2050H, IPS2050H-32, IPS2050HQ, IPS2050HQ-32 Active clamp DS13779 - Rev 3 page 17/32 |
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