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L9911F 数据表(PDF) 10 Page - STMicroelectronics |
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L9911F 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 19 page ![]() Electrical specification L9911 10/19 Doc ID10990 Rev 12 t-TM Output voltage rise time R = 1 k (see Figure 6) 0.5 - 50 µs t-TD Output voltage fall time 0.5 - 50 1. Guaranteed by design. Table 5. Electrical characteristics (continued) Symbol Parameter Test condition Min. Typ. Max. Unit Table 6. Load response control parameters Symbol Parameter Test Condition Min. Typ. Max. Unit t_ST_1 Soft start delay time (see Figure 12) 2 steps available, selectable by mask option (see Table 7). Activated always at engine start -0-- s t_ST_2 1.73 2 2.35 s tSL_1 Soft attack time / soft start time (see Figure 12). 2 steps available, selectable by mask option (see Table 7). From 0 to 100 % field duty cycle 2.13 2.5 2.87 s tSL_2 7.65 9 10.35 EN-RES (constant) Reset frequency range to enable regulation; Frequency judged after 4 periods (see Figure 11) - 405060 Hz EN-1 Soft start enable (EN) and LRC disable (DISAB) frequency ranges. 4 configurations available, selectable by mask option (possible combinations in Table 8). Always activated at engine start. Frequencies judged after 4 periods (see Figure 11) Tj = 25 °C Tj = -40 to150 °C 108 102 120 120 132 138 Hz Hz EN-2 Tj = 25 °C Tj = -40 to150 °C 131 124 145 145 159 166 Hz Hz EN-3 Tj = 25 °C Tj = -40 to150 °C 144 136 160 160 176 184 Hz Hz EN-4 Tj = 25 °C Tj = -40 to150 °C 174 165 193 193 212 221 Hz Hz DISAB-1 Tj = 25 °C Tj = -40 to150 °C 270 255 300 300 330 345 Hz Hz DISAB-2 Tj = 25 °C Tj = -40 to150 °C 315 298 350 350 385 402 Hz Hz DISAB-3 Tj = 25 °C Tj = -40 to150 °C 367 347 408 408 449 469 Hz Hz DISAB-4 Tj = 25 °C Tj = -40 to150 °C 420 397 466 466 512 535 Hz Hz Table 7. Load response control timing options - t_SL = 2.5 s t_SL = 9 s t_ST = 0 s LRC-A LRC-D t_ST = 0.5 s LRC-C - t_ST = 2 s LRC-E LRC-B |
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