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TPS389018QDSERQ1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS389018QDSERQ1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 26 page 5 TPS3890-Q1 www.ti.com SBVS303A – MARCH 2017 – REVISED OCTOBER 2017 Product Folder Links: TPS3890-Q1 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) VHYST = [(VITP – VITN) / VITN] × 100%. 7.5 Electrical Characteristics over the operating junction temperature range of –40°C to +125°C (TA = TJ), 1.5 V ≤ VDD ≤ 5.5 V, and MR = VDD (unless otherwise noted); typical values are at VDD = 5.5 V and TJ = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDD Input supply voltage 1.5 5.5 V VPOR Power-on-reset voltage VOL(max) = 0.2 V, IRESET = 15 µA 0.8 V IDD Supply current (into VDD pin) VDD = 3.3 V, IRESET = 0 mA, –40°C < TJ < 85°C 2.09 3.72 µA VDD = 3.3 V, IRESET = 0 mA, –40°C < TJ < 105°C 4.5 VDD= 3.3 V, IRESET = 0 mA 5.8 VDD = 5.5 V, IRESET = 0 mA, –40°C < TJ < 85°C 2.29 4 VDD = 5.5 V, IRESET = 0 mA, –40°C < TJ < 105°C 5.2 VDD = 5.5 V, IRESET = 0 mA 6.5 VITN, VITP SENSE input threshold voltage accuracy –1% ±0.5% 1% VHYST Hysteresis(1) 0.325% 0.575% 0.825% ISENSE Input current VSENSE = 5 V 8 µA VSENSE = 5 V, TPS389001-Q1, TPS389012-Q1 10 100 nA ICT CT pin charge current 0.90 1.15 1.35 µA VCT CT pin comparator threshold voltage 1.17 1.23 1.29 V RCT CT pin pulldown resistance When RESET is deasserted 200 Ω VIL Low-level input voltage (MR pin) 0.25 × VDD V VIH High-level output voltage 0.7 x VDD V VOL Low-level output voltage VDD ≥ 1.5 V, IRESET = 0.4 mA 0.25 V VDD ≥ 2.7 V, IRESET = 2 mA 0.25 VDD ≥ 4.5 V, IRESET = 3 mA 0.3 ILKG(OD) Open-drain output leakage High impedance, VSENSE = VRESET = 5.5 V 250 nA (1) Overdrive = | (VIN / VTHRESH – 1) × 100% |. 7.6 Timing Requirements over the operating junction temperature range of –40°C to +125°C (TA = TJ), 1.5 V ≤ VDD ≤ 5.5 V, MR = VDD, and 5% input overdrive (1) (unless otherwise noted); typical values are at V DD = 5.5 V and TJ = 25°C MIN NOM MAX UNIT tPD(f) SENSE (falling) to RESET propagation delay CT = open, VDD = 3.3 V 18 µs CT = open, VDD = 5.5 V 8 tPD(r) SENSE (rising) to RESET propagation delay CT = open, VDD = 3.3 V 25 µs tGI(SENSE) SENSE pin glitch immunity VDD = 5.5 V 9 µs tGI(MR) MR pin glitch immunity VDD = 5.5 V 100 ns tMRW MR pin pulse duration to assert RESET 1 µs td(MR) MR pin low to out delay 250 ns tSTRT Startup delay 325 µs |
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