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TPS3126-XX Datasheet(PDF) 6 Page - Texas Instruments |
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TPS3126-XX Datasheet(HTML) 6 Page - Texas Instruments |
6 / 12 page www.ti.com DISSIPATION RATING TABLE RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS TPS3123-xx TPS3124-xx, TPS3125-xx TPS3126-xx, TPS3128-xx SLVS227B – AUGUST 1999 – REVISED FEBRUARY 2004 TA ≤ 25°C DERATING FACTOR TA = 70°C TA = 85°C PACKAGE POWER RATING ABOVE TA = 25°C POWER RATING POWER RATING DBV 437 mW 3.5 mW/ °C 280 mW 227 mW at specified temperature range MIN MAX UNIT TA = 0°C to 85°C 0.75 3.3 Supply voltage, VDD V TA = -40°C to 85°C 0.85 3.3 Manual reset voltage, VDD 0.0 VDD+0.3 V Watchdog input voltage, VWD1 0 VDD +0.3 V High-level input voltage, VIH 0.7 ×V DD V Low-level input voltage, VIL 0.3 ×V DD V Input transition rise and fall rate at WDI, ∆ t/∆V 1 µs/V Operating free-air temperature range, TA 40 85 °C over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT MR pullup resistor (internal) 27 k Ω WDI WDI = VDD = 3.3 V 1 1 IIH High-level input current µA MR MR = 0.7 × V DD, VDD = 3.3 V 20 55 WDI WDI = 0 V, VDD = 3.3 V 1 1 IIL Low-level input current µA MR MR = 0 V, VDD = 3.3 V 80 170 High-level output current TPS3126-xx, IOH VDD = VOH = 3.3 V 200 nA (leakage into RESET pin) TPS3128-xx VDD = 1.5 V, IOH = -1 mA RESET VDD = 3.3 V, IOH = -4.5 mA High-level output voltage VOH 0.8 ×V DD V (TPS3123/4/5 only) VDD = 0.75 V, IOH = -8 µA RESET VDD = 1.5 V, IOH = -1 mA VDD = 0.75 V, IOL = 15 µA RESET VDD = 1.5 V, IOL = 1.4 mA 0.2 × V DD VOL Low-level output voltage V VDD = 1.5 V, IOL = 1.4 mA RESET VDD = 3.3 V, IOL = 3 mA 0.4 TPS312xJ12 1.04 1.08 1.12 TPS312xG15 1.35 1.40 1.45 TPS312xJ18 1.56 1.62 1.68 Negative-going input threshold VIT- TPS312xL30 TA = -40°C to 85°C 2.57 2.64 2.71 V voltage (1) TPS312xE12 1.10 1.14 1.18 TPS312xE15 1.38 1.43 1.48 TPS312xE18 1.65 1.71 1.77 1 V < VIT- < 1.4 V 15 Vhys Hysteresis at VDD input 1.4 V < VIT- <2 V 20 mV 2 V < VIT- < 3 V 30 (1) To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1 µF) should be placed near the supply terminal. 6 |
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