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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STSPIN32G4 датащи(PDF) 17 Page - STMicroelectronics |
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STSPIN32G4 датащи(HTML) 17 Page - STMicroelectronics |
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17 / 48 page  Figure 7. VCC externally supplied (buck disabled) + + Buck reg. COUT CM VM VCC 5.1.1.1 Short-circuit protection The regulator is protected against short-circuit of the SW pin. If this condition is detected, the regulator stops for a tdisable,Buck time. At the end of this period, the buck regulator restarts performing a soft-start. Figure 8. VCC buck regulator short-circuit protection tdisable,Buck Short circuit event VCC,mean tSS,Buck 5.1.1.2 Thermal protection If the temperature of the buck converter circuitry exceeds the TSD threshold, it stops operating until the temperature returns below the TSD - TSD(Hyst) level (auto-restart). When the regulator returns operative, a soft-start is performed. 5.1.2 3.3 V linear regulator The device integrates a low-drop linear regulator (LDO) to generate the 3.3 V supply starting from the REGIN input voltage. The 3.3 V output voltage supplies both the gate driver logic and the microcontroller. The LDO output current is limited, making the regulator protected against short-circuit and overload. An undervoltage monitoring circuit is active on the 3.3 V supply which triggers a reset if the voltage falls below VREG3V3(Off). STSPIN32G4 Power management section DS13630 - Rev 1 page 17/48 |
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