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X80141 Datasheet(PDF) 11 Page - Renesas Technology Corp |
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X80141 Datasheet(HTML) 11 Page - Renesas Technology Corp |
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11 / 18 page  X80140, X80141, X80142, X80143, X80144 FN8153 Rev 0.00 Page 11 of 18 January 20, 2005 X80140/41/42/43 RESET µC VCC1 FPGA VCC1 ASIC VCC1 VCC2 VCC2 VCC2 On/Off 5V Power Supply On/Off 1.2V Power Supply On/Off 3.3V Power Supply On/Off 2.5V Power Supply 12V V3GDO V3MON V2GDO V2MON V1GDO V1MON V4GDO V4MON RESET MR 5V VCC FIGURE 9. EXAMPLE OF RELAY POWER SUPPLY SEQUENCING V1MON tDELAY1 V1GDO V1MON threshold Power Supply #2 ON Power Supply V2MON threshold Power Supply #4 ON V2GDO Timing Not To Scale Example: Five Independent Power Supplies in relay timing 100ms V3GDO Programmable Delay Programmable Delay #2 OUTPUT 500ms 1sec 5sec 100ms 500ms 1sec 5sec tDELAY2 Power Supply #3 ON V3MON threshold 100ms 500ms 1sec 5sec tDELAY3 Programmable Delay Power Supply #3 OUTPUT V4MON Power Supply #4 OUTPUT threshold 100ms 500ms 1sec 5sec tDELAY4 Programmable Delay V4GDO Power Supply #5 OUTPUT RESET tSPOR (12V) (5V) (1.2V) (3.3V) (2.5V) FIGURE 10. RELAY SEQUENCING OF DC-DC SUPPLIES (TIMING) |
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