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TPS3824-50DBVTG4 Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS3824-50DBVTG4 Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 20 page TPS382x-xx, TPS382xA-xx SLVS165H − APRIL 1998 − REVISED JULY 2012 www.ti.com 6 ELECTRICAL CHARACTERISTICS (continued) Over operating free-air temperature range, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IIH(AV) Average high-level input current WDI WDI = VDD, time average (dc = 88%) 120 IIL(AV) Average low-level input current WDI WDI = 0.3 V, VDD = 5.5 V time average (dc = 12%) −15 WDI WDI = VDD 140 190 μA IIH High-level input current MR MR = VDD × 0.7, VDD = 5.5 V −40 −60 μA I Low level input current WDI WDI = 0.3 V, VDD = 5.5 V 140 190 IIL Low-level input current MR MR = 0.3 V, VDD = 5.5 V −110 −160 TPS382x-25 I Output short-circuit RESET TPS382x-30 VDD = VIT, max + 0.2 V, −400 A IOS Output short circuit current(1) RESET TPS382x-33 VDD = VIT, max + 0.2 V, VO = 0 V 400 μA TPS382x-50 O −800 IDD Supply current WDI and MR unconnected, Outputs unconnected 15 25 μA Internal pullup resistor at MR 52 kΩ Ci Input capacitance at MR, WDI VI = 0 V to 5.5 V 5 pF (1) The RESET short-circuit current is the maximum pullup current when RESET is driven low by a μP bidirectional reset pin. TIMING REQUIREMENTS AT RL = 1 MΩ, CL = 50 PF, TA = 25°C At RL = 1 MΩ, CL = 50 pF, TA = +25°C. PARAMETER TEST CONDITIONS MIN MAX UNIT at VDD VDD = VIT− + 0.2 V, VDD = VIT- − 0.2 V 6 μs tw Pulse width at MR VDD ≥ VIT− + 0.2 V, VIL = 0.3 x VDD, VIH = 0.7 x VDD 1 μs w at WDI VDD ≥ VIT− + 0.2 V, VIL = 0.3 x VDD, VIH = 0.7 x VDD 100 ns SWITCHING CHARACTERISTICS At RL = 1 MΩ, CL = 50 pF, TA = +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT t Watchdog time out TPS3820 VDD ≥ VIT− + 0.2 V, 112 200 310 ms ttout Watchdog time out TPS3823/4/8 VDD ≥ VIT− + 0.2 V, See timing diagram 0.9 1.6 2.5 s t Delay time TPS3820 VDD ≥ VIT− +0.2 V, 15 25 37 ms td Delay time TPS3823/4/5/8 VDD ≥ VIT− +0.2 V, See timing diagram 120 200 300 ms tPHL Propagation (delay) time, high to low level output MR to RESET delay (TPS3820/3/5/8) VDD ≥ VIT− +0.2 V, VIL = 0.3 x VDD, VIH = 0.7 x VDD 0.1 μs tPHL high-to-low-level output VDD to RESET delay VIL = VIT- - 0.2 V, VIH = VIT- + 0.2 V 25 μs tPLH Propagation (delay) time, low to high level output MR to RESET delay (TPS3824/5) VDD ≥ VIT− +0.2 V, VIL = 0.3 x VDD, VIH = 0.7 x VDD 0.1 μs tPLH low-to-high-level output VDD to RESET delay (TPS3824/5) VIL = VIT- - 0.2 V, VIH = VIT- + 0.2 V 25 μs |
Numéro de pièce similaire - TPS3824-50DBVTG4 |
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Description similaire - TPS3824-50DBVTG4 |
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