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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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SPSB100 Datenblatt(PDF) 91 Page - STMicroelectronics |
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SPSB100 Datenblatt(HTML) 91 Page - STMicroelectronics |
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91 / 213 page  Figure 63. Line transient BUCK3 at 3.3 V Note: Iload = 3 A, line voltage: 4.75 V to 7 V at 30 V/ms. 7.11 Watchdog 6.0 V ≤ VFBB ≤ 29 V, Tj = -40 °C to 150 °C, unless otherwise specified. All watchdog timings are covered by scan. Table 32. Watchdog Symbol Parameter Condition Min Typ Max Unit tLW1 Long open window 1 LOW_SET <3:0> : 0000 - - 319 ms tLW2 Long open window 2 LOW_SET <3:0> : 0001 - - 479 ms tLW3 Long open window 3 LOW_SET <3:0> : 0010 - - 638 ms tLW4 Long open window 4 LOW_SET <3:0> : 0011 - - 1025 ms tLW5 Long open window 5 LOW_SET <3:0> : 0100 - - 115 ms tLW6 Long open window 6 LOW_SET <3:0> : 0101 - - 159 ms tLW7 Long open window 7 LOW_SET <3:0> : 0110 - - 230 ms tLW8 Long open window 8 LOW_SET <3:0> : 0111 - - 460 ms tLW12 Long open window 12 LOW_SET <3:0> : 1000-1011 - - 2300 ms tLW13 Long open window 13 LOW_SET <3:0> : 1100 - - 4600 ms tLW14 Long open window 14 LOW_SET <3:0> : 1101 - - 6900 ms tLW15 Long open window 15 LOW_SET <3:0> : 1110 - - 9200 ms tLW16 Long open window 16 LOW_SET <3:0> : 1111 - Infinite - - TEFW1 Early failure window 1 WD_TIME = 0000 - - 2.8 ms TLFW1 Late failure window 1 WD_TIME = 0000 10 - - ms TSW1 Safe window 1 WD_TIME = 0000 4.5 - 5.4 ms TEFW2 Early failure window 2 WD_TIME = 0001 (default value) - - 5.3 ms TLFW2 Late failure window 2 WD_TIME = 0001 (default value) 20 - - ms TSW2 Safe window 2 WD_TIME = 0001 (default value) 8.4 - 11.5 ms TEFW3 Early failure window 3 WD_TIME = 0010 - - 17.3 ms TLFW3 Late failure window 3 WD_TIME = 0010 50 - - ms TSW3 Safe window 3 WD_TIME = 0010 27.1 - 31.5 ms SPSB100 Electrical characteristics DS14640 - Rev 2 page 91/213 |
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