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TPS3803.01MDCKREP Datasheet(PDF) 6 Page - Texas Instruments |
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TPS3803.01MDCKREP Datasheet(HTML) 6 Page - Texas Instruments |
6 / 18 page TPS380301EP TPS3803G15EP TPS3805H33EP SGLS227C − DECEMBER 2003 − REVISED JUNE 2007 www.ti.com 6 ELECTRICAL CHARACTERISTICS Over recommended operating free-air temperature range, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDD = 1.5 V, IOH = −0.5 mA VOH High-level output voltage (TPS3805 only) VDD = 3.3 V, IOH = −1 mA 0.8 x VDD V VOH High-level output voltage (TPS3805 only) VDD = 6 V, IOH = −1.5 mA 0.8 x VDD V VDD = 1.5 V, IOL = 1 mA VOL Low-level output voltage VDD = 3.3 V, IOL = 2 mA 0.3 V VOL Low-level output voltage VDD = 6 V, IOL = 3 mA 0.3 V Power-up reset voltage(1) VIT > 1.5 V, TA = +25 °C 0.8 V Power-up reset voltage(1) VIT ≤ 1.5 V, TA = +25°C 1 V Negative-going input threshold SENSE 1.2 1.226 1.244 VIT Negative-going input threshold voltage(2) TPS3803G15 1.379 1.4 1.421 V VIT voltage(2) TPS3805H33 3.004 3.05 3.096 V Vhys Hysteresis 1.2 V < VIT < 2.5 V 15 mV Vhys Hysteresis 2.5 V < VIT < 3.5 V 30 mV II Input current SENSE −25 25 nA IOH High-level output current at RESET Open-drain only VDD = VIT + 0.2V, VOH = VDD 300 nA TPS3803−01 2 4 IDD Supply current TPS3805, TPS3803G15 VDD = 3.3 V, output unconnected 3 5 A IDD Supply current TPS3803−01 2 4 µA TPS3805, TPS3803G15 VDD = 6 V, output unconnected 4 6 CI Input capacitance VI = 0 V to VDD 1 pF (1) The lowest supply voltage at which RESET (VOL(max) = 0.2 V, IOL = 50 µA) becomes active. tr(VDD) ≥ 15 µs/V (2) To ensure the best stability of the threshold voltage, place a bypass capacitor (ceramic, 0.1 µF) near the supply terminals. TIMING REQUIREMENTS AT RL = 1 MΩ, CL = 50 PF, over recommended operating free-air temperature range. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tw Pulse width At VDD VIH = 1.05 x VIT, VIL = 0.95 x VIT 5.5 s tw Pulse width At SENSE VIH = 1.05 x VIT, VIL = 0.95 x VIT 5.5 µs SWITCHING CHARACTERISTICS AT RL = 1 MΩ, CL = 50 PF, over recommended operating free-air temperature range. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPHL Propagation (delay) time, VDD to RESET delay V = 1.05 x V , 5 100 tPHL Propagation (delay) time, high-to-low-level output SENSE to RESET delay VIH = 1.05 x VIT, VIL = 0.95 x VIT 5 100 s tPLH Propagation (delay) time, VDD to RESET delay IH IT VIL = 0.95 x VIT 5 100 µs tPLH Propagation (delay) time, low-to-high-level output SENSE to RESET delay 5 100 |
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