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PC33882R2 数据表(PDF) 12 Page - Freescale Semiconductor, Inc |
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PC33882R2 数据表(HTML) 12 Page - Freescale Semiconductor, Inc |
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12 / 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 = 1A NORMAL OPERATION INPUT X GATE X IOUT X FAULT BIT X FAULT FAULT ILOAD 0A TREF TREF TREF TREF IDLIM TSSA 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 TSSD 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 = 1.0 A Input X Gate X IOUT X 5.0 V 0 V ON ILOAD 0 A IO(LIM) Fault Bit X Input X Gate X IOUT X 5.0 V 0 V ON ILOAD 0 A IO(LIM) Fault Bit X OFF CB Shorted Load/Short-to-VPWR tSSD tREF tREF tSSD tSSA tREF tREF Fault Fault Shorted Operation Normal Operation OFF Analog Integrated Circuit Device Data 12 Freescale Semiconductor 33882 ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS Figure 5. Short Occurring While On, Ending During Retry (ILOAD = 1.0 A) 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 TR EF TREF TREF IDLIM TSSD ON OFF SHORTED LOAD / SHORT - TO - VBAT 5V 0V SHORT OCCURS WHILE ON, ENDS DURING REFRESH INPUT X GATE X IOUT X FAULT BIT X IDLIM ILOAD 0A ON OFF 5V 0V CSB TSSA Input X Gate X IOUT X 5.0 V 0 V ON ILOAD 0 A IO(LIM) Fault Bit X OFF Input X Gate X IOUT X 5.0 V 0 V ON ILOAD 0 A IO(LIM) Fault Bit X OFF CB Shorted Load/Short-to-VPWR 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 Fault Fault tREF tREF tREF tREF tSSA tSSD Normal Operation Shorted Operation Figure 6. Short Occurring While On, Ending During Refresh (ILOAD = 20 mA) |
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