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TLE7183QUSCD3 数据表(PDF) 18 Page - Infineon Technologies AG |
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TLE7183QUSCD3 数据表(HTML) 18 Page - Infineon Technologies AG |
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18 / 28 page ![]() TLE7183QU Data Sheet 18 Rev. 1.1, 2016-01-28 Table 4 Prioritization of Errors 5.2.8 Electrical Characteristics Priority Error 1 Short Circuit Detection 2 Undervoltage Shut Down 3 Overvoltage Shut Down 4 Overtemperature Warning Overcurrent Warning Electrical Characteristics - Protection and diagnostic functions V S = 5.5 to 20V, Tj = -40 to +150°C, all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Parameter Symbol Limit Values Unit Conditions Min. Typ. Max. Overtemperature 5.2.1 Overtemperature Warning T j(OW) 150 170 190 °C – 5.2.2 Hysteresis for Overtemperature Warning dT j(OW) –20 – °C – Overcurrent warning 5.2.3 Overcurrent Threshold V THOC 2 – 4.5 V Vs=5.5..8V 5.2.4 Overcurrent Threshold V THOC 2 – 4.8 V Vs=8..20V 5.2.5 Input Offset Voltage of OC Comp V OCOF -50 – 50 mV – 5.2.6 Input Offset Voltage Temperature Drift of OC Comp1) VIO -5 –5mV – 5.2.7 Overcurrent Warning Threshold Hysteresis dV THOC 25 – mV Vs=5.5..8V 5.2.8 Overcurrent Warning Threshold Hysteresis dV THOC 50 80 – mV Vs=8..20V 5.2.9 Filter Time of Overcurrent Warning t OC 1.0 1.5 3.0 µs Short Circuit Protection 5.2.10 Filter Time of Short Circuit Protection t SCP(off) 4.5 6.8 9 µs default 5.2.11 Maximum Duty Cycle for no SCD2) DySCDmax – –6% fPWM=20kHz at IHx or ILx and at static applied SC 5.2.12 Minimum Duty Cycle for Periodic SCD2) DySCDmin 13 ––% fPWM=20kHz at IHx or ILx and at static applied SC 5.2.13 Short Circuit Detection Level SCD1 V SCP1(off) 0.3 0.5 0.65 V please contact Infineon 5.2.14 Short Circuit Detection Level SCD2 V SCP2(off) 0.6 0.75 0.9 V – 5.2.15 Short Circuit Detection Level SCD3 V SCP3(off) 0.85 1.0 1.15 V please contact Infineon |
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