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TPS2068IDGNRQ1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2068IDGNRQ1 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 24 page  TPS2068-Q1 www.ti.com ................................................................................................................................................................................................ SLVS999 – AUGUST 2009 ELECTRICAL CHARACTERISTICS –40°C ≤ TJ ≤ 105° VI(IN) = 5.5 V, IO = 1 A, VI(EN) = 0 V (unless otherwise noted) PARAMETER TEST CONDITIONS (1) MIN TYP MAX UNIT POWER SWITCH Static drain-source on-state resistance, VI(IN) = 5 V or 3.3 V, IO = 1.5 A 70 150 m Ω 5-V operation and 3.3-V operation rDS(on) Static drain-source on-state resistance, VI(IN) = 2.7 V, IO = 1.5 A 75 150 m Ω 2.7-V operation VI(IN) = 5.5 V 0.6 1.5 tr Rise time, output(2) VI(IN) = 2.7 V 0.4 1 CL = 1 μF, TJ =25°C ms RL = 5 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 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 II Input current VI(EN) = 0 V or 5.5 V -0.5 0.5 μA ton Turn-on time(2) CL = 100 μF, RL = 5 Ω 3 ms toff Turn-off time(2) CL = 100 μF, RL = 5 Ω 10 CURRENT LIMIT VI(IN) = 5 V, OUT connected to GND, IOS Short-circuit output current 1.6 2.1 2.6 A Device enabled into short-circuit IOC_TRIP Overcurrent trip threshold(2) VI(IN) = 5 V, Current ramp (≤ 100 A/s) on OUT 2.3 2.85 3.4 A VI(IN) = 5 V, OUT connected to GND, Device enabled into IOS (3) Short-circuit output current(2) 3.2 4.2 5.2 A short-circuit, current measured at VI(IN) TJ = 25°C 0.5 1 IOL Supply current, low-level output No load on OUT, VI(EN) = 5.5 V μA Over TJ range 0.5 5 TJ = 25°C 43 60 IOH Supply current, high-level output No load on OUT, VI(EN) = 0 V μA Over TJ range 43 70 Ilkg Leakage current OUT connected to ground, VI(EN) = 5.5 V 1 μA Reverse leakage current VI(OUT) = 5.5 V, IN = ground TJ = 25°C 0.2 μA UNDERVOLTAGE LOCKOUT Low-level input voltage, IN 2 2.5 V Hysteresis, IN TJ = 25°C 75 mV OVERCURRENT OC VOL(OC) Output low voltage IO(OC) = 5 mA 0.4 V Off-state current VO(OC) = 5 V or 3.3 V 1 μA OC deglitch(2) OC assertion or deassertion 4 8 15 ms THERMAL SHUTDOWN(4) Thermal shutdown threshold(2) 135 °C Recovery from thermal shutdown(2) 125 °C Hysteresis 10 °C (1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately. (2) Specified by design (3) This configuration has not been tested for UL certification. (4) The thermal shutdown only reacts under overcurrent conditions. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS2068-Q1 |
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