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TLE4471 Arkusz danych(PDF) 13 Page - Infineon Technologies AG |
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TLE4471 Arkusz danych(HTML) 13 Page - Infineon Technologies AG |
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13 / 26 page ![]() Data Sheet Rev. 1.1 13 2001-09-06 TLE 4471 Reset Generator Switching threshold V Q, rth 4.5 4.65 4.8 V RADJ connected to GND Reset headroom V head 250 350 500 mV 10 mA < I Q1 < 450 mA Reset pullup R R 2.4 – 6k Ω – Reset output low voltage V R, low –– 0.4 V 1 V < V Q1 < VQ, rth Reset output Low voltage V R, low –– 0.4 V V Q1 = 1 V, IR= 50 µA Reset output High voltage V R, high 4.5 –– V – Reset adjust threshold V RADJ 1.25 1.35 1.45 V V Q1 > 3.5 V Reset delay charging current I DR, ch 24 6 µA V DR = 1 V Reset delay discharge current I DR, dis 60 120 160 mA V DR = 1 V Upper reset timing threshold V DR, dt 0.9 1.8 2.7 V – Lower timing threshold V DR, st 0.25 0.4 0.65 V – Reset delay time t dr 35 50 70 ms C R = 100 nF Reset reaction time t rr 0.5 – 3 µs C R = 100 nF Characteristics (cont’d) V I = 13.5 V; Tj = – 40 °C < Tj < 125 °C Parameter Symbol Limit Values Unit Measuring Condition min. typ. max. |
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