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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9654 датащи(PDF) 14 Page - STMicroelectronics |
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L9654 датащи(HTML) 14 Page - STMicroelectronics |
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14 / 59 page  Electrical specification L9654 14/59 DocID14218 Rev 3 3.3.2 AC characteristics VRES = 6.5 to 35 V, VDD = 4.9 to 5.1 V, V8BUCK = 7.0 V to 8.5 V, Tamb = -40 °C to +95 °C. Table 9. AC specification: deployment drivers Symbol Parameter Test conditions Min Typ Max Unit tPOR POR de-glitch timer Timer for VRST 10 - 25 μs TGLITCH De-glitch timer - 5 - 20 μs ION Diagnostic current DEPEN pins asserted ;Measured at 150 s from falling edge CS_D or CS_A; See Figure 4 0.90 - IFINAL tPULSE Pulse stretch timer See Table 17 0 - 60 ms tP_ACC Pulse stretch timer accuracy - -20 - 20 % tDEPLOY-2ms Deployment time VRES = 6.9 to 35 V(1) 1. Application Information; Test is not performed at high voltage. 2 - 2.5 ms tDEPLOY-1ms Deployment time VRES = 12 to 35 V(1) 1 - 1.25 ms tFLT_DLY Fault detection filter(2) 2. Design Information Only - 10 - 50 μs ISLEW Rmeas current di/dt 10 % - 90 % of ISRC 2 - 8 mA/μs tR_DLY Rmeas current delay From the falling edge of CS to 10% of ISRC - 15 μs tR_WAIT Rmeas wait time(2) Wait time before AOUT voltage is stable for ADC reading - - 100 μs tTIMEOUT MOS diagnostic on-time - - - 2.5 ms tILIM SQL high current protection timer - 90 - 110 μs tPROP_DLY LS/HS MOS turn off propagation delay(2) Time is measured from the valid LS/HS MOS fault to the LS/HS turn off - - 10 μs |
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