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L9908 数据表(PDF) 7 Page - STMicroelectronics |
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L9908 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 152 page  2 Absolute maximum ratings In the following section the voltage ranges of each pin are described by dividing them into three categories: Functional Operating Range, Parametrical Operating Range and Absolute maximum rating. Figure 3. Pin voltage ranges 2.1 Maximum Operating Range (MOR) 2.1.1 Functional Operating Range Within these operating ranges the part operates as specified in the circuit description, electrical characteristics are guaranteed only in the parametrical operating range, between these two ranges parametrical deviation may occur. The device may not operate properly if functional operating range conditions are exceeded. Once taken beyond the functional operative ratings and returned back within, the part will recover with no damage or degradation (provided that AMR range is not exceeded). All analog and digital voltages are related to the potential at signal ground SGND. All currents are assumed to be positive when current flows into the pin. Table 4. Functional operating conditions Symbol Parameter Min Typ Max Unit Notes Power Supply VBP_MOR VBP: voltage range VBP UV - VBP OV V Thermally limited VBP_MOR_PU VBP: voltage range for power up VBP UV + HYST - V Power-Up VDH_MOR VDH: voltage range VDH UV - VDH OV V - VDH_MOR_PU VDH: voltage range for power up VDH UV + HYST - V Power-Up VDD_MOR VDD: voltage range VDD UV - VDD OV V - VDD_MOR_PU VDD: voltage range for power up VDD UV + HYST - V Power-Up VIO_MOR VIO: voltage range 2.5 - 5.5 V - Gate Driver Supply d_CP1P_CP1M_MOR CP1P - CP1M: Charge Pump1 external capacitance terminals differential voltage VPRE UV - VPRE OV V - VPRE_MOR VPRE: voltage range VPRE UV - VPRE OV V - d_CP2P_CP2M_MOR CP2P – CP2M: Charge Pump2 external capacitance terminals differential voltage VPRE UV - VPRE OV V - L9908 Absolute maximum ratings DS13546 - Rev 5 page 7/152 |
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