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数据搜索系统，热门电子元器件搜索 |
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L9908 数据表(PDF) 51 Page - STMicroelectronics |
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L9908 数据表(HTML) 51 Page - STMicroelectronics |
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51 / 152 page  Table 48. VBP monitor electrical characteristics Symbol Parameter Test Condition Min Typ Max Unit Notes VBP_cp1_lin_mode_th CP1 linear mode enable threshold - 10.3 10.6 10.9 V Comparator output Low to High VBP_cp1_lin_mode_hys CP1 linear mode enable hysteresis - 0.95 1.05 1.1 V - VBP_cp1_lin_mode_flt CP1 linear mode enable detection filter time - 100 200 300 ns Digital filter VBP_uv_th_12v VBP under-voltage threshold (12 V systems) - 4 4.25 4.5 V Comparator output Low to High VBP_uv_th_24v VBP under-voltage threshold (24 V systems) - 7.8 8.4 9 V Comparator output Low to High VBP_uv_th_48v VBP under-voltage threshold (48 V systems) - 17.3 18.65 20 V Comparator output Low to High VBP_uv_hys VBP under-voltage hysteresis - 90 150 250 mV - VBP_ov_th1_12v VBP over-voltage threshold (12 V systems 1) - 18.11 18.67 19.23 V Comparator output Low to High VBP_ov_th2_12v VBP over r-voltage threshold (12 V systems 2) - 27.16 28 28.84 V Comparator output Low to High VBP_ov_th1_24v VBP over-voltage threshold (24 V systems 1) - 36.22 37.34 38.46 V Comparator output Low to High VBP_ov_th2_24v VBP over-voltage threshold (24 V systems 2) - 50.3 51.86 53.41 V Comparator output Low to High VBP_ov_hys VBP over-voltage hysteresis - 0.8 1.15 1.6 V - VBP_tflt_acc VBP Fault Detection Filter Time accuracy CLK_SSM_EN = 0 -15 - 15 % Digital filter Note: All parameters are guaranteed, and tested, in the voltage ranges reported above in Table 5 unless otherwise specified. Where not specified the parametrical operating range equals the functional operating range. L9908 Functional description DS13546 - Rev 5 page 51/152 |
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