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TPS2041B-EP Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS2041B-EP Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 25 page TPS2041B-EP www.ti.com SLVSAX8 – SEPTEMBER 2011 ELECTRICAL CHARACTERISTICS over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 0.5 A, VI(EN) = 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 –55°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 –55°C ≤ TJ ≤ 125°C 75 150 resistance, 2.7-V operation VI(IN) = 5.5 V 0.6 tr Rise time, output VI(IN) = 2.7 V 0.4 CL = 1 μF, TJ = 25°C ms RL = 10 Ω VI(IN) = 5.5 V 0.2 tf Fall time, output VI(IN) = 2.7 V 0.2 Enable Input (EN) 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(EN) = 0 V or 5.5 V –1 1 μA ton Turn-on time CL = 100 μF, RL = 10 Ω 3 ms toff Turn-off time CL = 100 μF, RL = 10 Ω 6 ms Current Limit TJ = 25°C 0.65 1 1.3 VI(IN) = 5 V, OUT connected to GND, IOS Short-circuit output current A device enabled into short-circuit –55°C ≤ TJ ≤ 125°C 0.45 1 1.55 Supply Current TJ = 25°C 0.5 1 No load on OUT, Supply current, low-level output μA VI(EN) = 5.5 V or VI(EN) = 0 V –55°C ≤ TJ ≤ 125°C 0.5 5 TJ = 25°C 43 60 No load on OUT, Supply current, high-level output μA VI(EN) = 0 V or VI(EN) = 5.5 V –55°C ≤ TJ ≤ 125°C 43 70 OUT connected to ground, Leakage current –55°C ≤ TJ ≤ 125°C 1 μA VI(EN) = 5.5 V or VI(EN) = 0 V Reverse leakage current VI(OUT) = 5.5 V, IN = ground TJ = 25°C 0 μA Undervoltage Lockout Low-level input voltage, IN 2 2.5 V Hysteresis, IN TJ = 25°C 75 mV Overcurrent (OC) Output low voltage, VOL(/OC) IO(OC) = 5 mA 0.4 V Off-state current VO(OC) = 5 V or 3.3 V 1 μA OC deglitch OC assertion or deassertion 3 8 16 ms Thermal Shutdown(2) Thermal shutdown threshold 135 °C Recovery from thermal shutdown 125 °C Hysteresis 10 °C (1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be accounted for separately. (2) The thermal shutdown only reacts under overcurrent conditions. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS2041B-EP |
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