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PC33882R2 数据表(PDF) 13 Page - Freescale Semiconductor, Inc |
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PC33882R2 数据表(HTML) 13 Page - Freescale Semiconductor, Inc |
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13 / 31 page ![]() GATE X = COMMAND SIGNAL AT THE GATE OF DRIVER X FAULT BIT X = INTERNAL FAULT REGISTER BIT STATE TREF x = FIRST REFRESH TIME MAY BE LESS THAN TREF ILOAD = 20mA NORMAL OPERATION INPUT X GATE X IOUT X FAULT BIT X FAULT FAULT ILOAD 0A TREF TREF TREF TREF IDLIM TSSD ON OFF SHORTED LOAD / SHORT - TO - VBAT 5V 0V SHORT OCCURS WHILE ON, ENDS DURING RETRY INPUT X GATE X IOUT X FAULT BIT X IDLIM ILOAD 0A ON OFF 5V 0V CSB TSSD TSSA Gate X = Command Signal at the Gate of Driver X Fault Bit X = Internal Fault Register Bit State tREF X = First Refresh Time may be less than tREF ILOAD = 20 mA Input X Gate X IOUT X 5.0 V 0 V ON ILOAD 0 A IO(LIM) Fault Bit X OFF CB Input X Gate X IOUT X 5.0 V 0 V ON ILOAD 0 A IO(LIM) Fault Bit X OFF Fault Fault tREF tREF tREF tREF tSSA tSSD tSSD Shorted Load/Short-to-VPWR Shorted Operation Normal Operation Analog Integrated Circuit Device Data Freescale Semiconductor 13 33882 ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS Figure 7. Short Occurring While On, Ending During Retry (ILOAD = 20 mA) |
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