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TPS3823-25DBVRG4 датащи(PDF) 6 Page - Texas Instruments |
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TPS3823-25DBVRG4 датащи(HTML) 6 Page - Texas Instruments |
6 / 20 page TPS382x-xx TPS382xA-xx SLVS165J – APRIL 1998 – REVISED APRIL 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TPS382x-25 TPS382x-30 –400 Output short-circuit IOS RESET VDD = VIT, max + 0.2 V, VO = 0 V µA TPS382x-33 current(3) TPS382xA-33 TPS382x-50 –800 IDD Supply current WDI, MR, and Outputs unconnected 15 25 µA Internal pullup resistor at MR 52 k Ω Ci Input capacitance at MR, WDI VI = 0 V to 5.5 V 5 pF (3) The RESET short-circuit current is the maximum pullup current when RESET is driven low by a μP bidirectional reset pin. TIMING REQUIREMENTS AT 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 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 TPS3820 112 200 300 ms VDD ≥ VIT− + 0.2 V, ttout Watchdog time out See timing diagram TPS3823/4/8, TPS3823A 0.9 1.6 2.5 s TPS3820 15 25 37 VDD ≥ VIT− +0.2 V, td Delay time ms See timing diagram TPS3823/4/5/8, TPS3823A 120 200 300 VDD ≥ VIT− +0.2 V, MR to RESET delay VIL = 0.3 x VDD, 0.1 (TPS3820/3/5/8, TPS3823A) Propagation (delay) time, VIH = 0.7 x VDD tPHL µs high-to-low-level output VIL = VIT– –0.2 V, VDD to RESET delay 25 VIH = VIT– + 0.2 V VDD ≥ VIT− +0.2 V, MR to RESET delay (TPS3824/5) VIL = 0.3 x VDD, 0.1 Propagation (delay) time, VIH = 0.7 x VDD tPLH µs low-to-high-level output VIL = VIT– –0.2 V, VDD to RESET delay 25 (TPS3824/5) VIH = VIT– + 0.2 V 6 Submit Documentation Feedback Copyright © 1998–2013, Texas Instruments Incorporated Product Folder Links: TPS382x-xx TPS382xA-xx |
Аналогичный номер детали - TPS3823-25DBVRG4 |
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Аналогичное описание - TPS3823-25DBVRG4 |
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