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TPS2042BQDRQ1 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS2042BQDRQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 29 page TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 SLVS782A – NOVEMBER 2007 – REVISED JUNE 2010 www.ti.com ELECTRICAL CHARACTERISTICS over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.5 A, VI(ENx) = 0 V (unless otherwise noted) PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT Power Switch Static drain-source on-state resistance, 5-V or 3.3-V VI(IN) = 5 V or 3.3 V, IO = 0.5 A –40°C ≤ TJ ≤ 125°C 70 135 operation rDS(on) m Ω Static drain-source on-state VI(IN) = 2.7 V, IO = 0.5 A –40°C ≤ TJ ≤ 125°C 75 150 resistance, 2.7-V operation(2) VI(IN) = 5.5 V 0.6 1.5 tr Rise time, output(2) VI(IN) = 2.7 V 0.4 1 CL = 1 mF, TJ = 25°C ms RL = 10 Ω VI(IN) = 5.5 V 0.05 0.5 tf Fall time, output(2) VI(IN) = 2.7 V 0.05 0.5 Enable Input (EN, ENx ) VIH High-level input voltage 2.7 V ≤ VI(IN) ≤ 5.5 V 2 V VIL Low-level input voltage 2.7 V ≤ VI(IN) ≤ 5.5 V 0.8 V II Input current VI( ENx ) = 0 V or 5.5 V –0.5 0.5 mA ton Turn-on time(2) CL = 100 mF, RL = 10 Ω 3 ms toff Turn-off time(2) CL = 100 mF, RL = 10 Ω 10 ms Current Limit TJ = 25°C 0.65 1 1.25 VI(IN) = 5 V, OUT connected to GND, IOS Short-circuit output current A device enabled into short-circuit –40°C ≤ TJ ≤ 125°C 0.6 1 1.3 Supply Current (TPS2041B/TPS2051B) TJ = 25°C 0.5 1 No load on OUT, Supply current, low-level output mA VI(EN) = 5.5 V or VI(EN) = 0 V –40°C ≤ TJ ≤ 125°C 0.5 5 TJ = 25°C 43 60 No load on OUT, Supply current, high-level output mA VI(EN) = 0 V or VI(EN) = 5.5 V –40°C ≤ TJ ≤ 125°C 43 70 OUT connected to ground, Leakage current –40°C ≤ TJ ≤ 125°C 1 mA VI(EN) = 5.5 V or VI(EN) = 0 V Reverse leakage current VI(OUTx) = 5.5 V, IN = ground (2) TJ = 25°C 0 mA Supply Current (TPS2042B) TJ = 25°C 0.5 1 Supply current, low-level output No load on OUT, VI( ENx ) = 5.5 V mA –40°C ≤ TJ ≤ 125°C 0.5 5 TJ = 25°C 50 70 Supply current, high-level output No load on OUT, VI( ENx ) = 0 V mA –40°C ≤ TJ ≤ 125°C 50 90 Leakage current OUT connected to ground, VI( ENx ) = 5.5 V –40°C ≤ TJ ≤ 125°C 1 mA Reverse leakage current VI(OUTx) = 5.5 V, IN = ground (2) TJ = 25°C 0.2 mA Undervoltage Lockout Low-level input voltage, IN, INx 2 2.5 V Hysteresis, IN, INx TJ = 25°C 75 mV Overcurrent (OC, OCx ) Output low voltage, VOL(/OCx) IO( OCx ) = 5 mA 0.4 V Off-state current(2) VO( OCx ) = 5 V or 3.3 V 1 mA OC deglitch(2) OCx assertion or deassertion 4 8 15 ms Thermal Shutdown(3) Thermal shutdown threshold(2) 135 °C Recovery from thermal shutdown(2) 125 °C Hysteresis(2) 10 °C (1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be accounted for separately. (2) Specified by design (3) The thermal shutdown only reacts under overcurrent conditions. 4 Submit Documentation Feedback Copyright © 2007–2010, Texas Instruments Incorporated Product Folder Link(s): TPS2041B-Q1 TPS2042B-Q1 TPS2051B-Q1 |
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