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L9788 数据表(PDF) 98 Page - STMicroelectronics |
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L9788 数据表(HTML) 98 Page - STMicroelectronics |
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98 / 264 page  Low-side drivers L9788 98/264 DS12308 Rev 4 Ton_OUTx Propagation delay from MSC_EN rising edge to 80% output OUTx voltage VB_IN = 14 V, Rload = 15 Ω, Cload = 10 nF -- 8 µs SOL1/2 Toff_OUTx Propagation delay from MSC_EN falling edge to 20% output OUTx voltage VB_IN = 14 V, Rload = 15 Ω, Cload = 10 nF -- 8 µs SOL1/2 Vclamp_OUTx OUTx clamping voltage ILOAD = 1.3 A 50 55 60 V SOL1/2 Vclamp_OUTx _high_curr OUTx clamping voltage ILOAD = 3 A Guaranteed by design, provided single pulse energy limits are not violated by clamping action 50 55 60 V SOL1/2 I_ovc_sol Over current driver threshold -3 4.5 6 A SOL1/2 I_LS_ocv_flt LS overcurrent filter time Guaranteed by scan 4 - 7 µs SOL1/2 T_SD_HIGH Temperature shut down - 185 - 200 °C SOL1/2 T_SD_LOW Temperature shut down recover - 175 - 190 °C SOL1/2 T_SD_hys Temperature shut down hysteresis -5 - 10 °C SOL1/2 - Thermal shutdown analog filter time Guaranteed by design 1.5 - 4 µs SOL1/2 t_SD_deglitch Digital deglitch filter time on Temperature shut down detection Guaranteed by scan - 10 - µs SOL1/2 OFF state diagnostic VLVT Short to GND threshold voltage Driver tristate, diag enabled 1.9 2.1 VOUT OPEN -180mV VSOL1/2 V_OL Open load threshold voltage Driver tristate, diag enabled VOUT OPEN +160mV 2.9 3.0 V SOL1/2 VOL Open load voltage Driver tristate, diag enabled 2.3 2.5 2.7 V SOL1/2 I_LS_PU1 Diagnostic pull up current In OFF condition, OUTx < VLVT, Ipupd_EN = ENB, Ipupd_MODE =”1” 2.5 3.6 4.7 mA SOL1/2 I_LS_PU2 Diagnostic pull up current In OFF condition, OUTx < VLVT, Ipupd_EN = ENB, Ipupd_MODE =”0” and IDIAG_HIGH_SOL =”0” 40 70 100 µA SOL1/2 Table 47. Low-side driver - SOLENOID VALVE electrical characteristics (continued) Symbol Parameter Test condition Min Typ Max Unit Pin |
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