| 전자부품 데이터시트 검색엔진 |
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L6206Q 데이터시트(PDF) 12 Page - STMicroelectronics |
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L6206Q 데이터시트(HTML) 12 Page - STMicroelectronics |
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12 / 27 page ![]() Circuit description L6206Q 12/27 DocID022028 Rev 3 The disable time (tDISABLE), before recovering normal operation, can be easily programmed by means of the accurate thresholds of the logic inputs. It is affected either by CEN or REN values and its magnitude is reported in Figure 12. The delay time (tDELAY), before turning off the bridge when an overcurrent has been detected, depends only on the CEN value. Its magnitude is reported in Figure 13. CEN is also used for providing immunity to pin EN against fast transient noises. Therefore the value of CEN should be chosen as big as possible according to the maximum tolerable delay time and the REN value should be chosen according to the desired disable time. The resistor REN should be chosen in the range from 2.2 k to 180 k. Recommended values for REN and CEN are respectively 100 k and 5.6 nF which allow a 200 µs disable time to be obtained. Figure 9. Overcurrent protection simplified schematic |
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