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TPS2541ARTET Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS2541ARTET Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 40 page TPS2540, TPS2540A TPS2541, TPS2541A www.ti.com SLVSAG2C – OCTOBER 2010 – REVISED OCTOBER 2011 ELECTRICAL CHARACTERISTICS Conditions are -40 ≤ TJ ≤ 125°C unless otherwise noted. VEN (if TPS2540 or TPS2540A) = VDSC (if TPS2541 or TPS2541A) = VIN = 5 V, RFAULT = 10 kΩ, RILIM0 = 210 kΩ, RILIM1 = 20 kΩ, ILIM_SEL = 0 V, CTL1 = CTL2 = GND, CTL3 = VIN (TPS2540/40A) or CTL3 = GND (TPS2541/41A), unless otherwise noted. Positive currents are into pins. Typical values are at 25 °C. All voltages are with respect to GND unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Power Switch IOUT = 2 A, VILIM_SEL = Logic HI 73 120 IOUT = 100 mA, VILIM_SEL = Logic LO 73 120 Static drain-source RDS(on) m Ω on-state resistance -40 °C ≤ TA = TJ ≤ 85°C, IOUT = 2 A, VILIM_SEL = Logic HI 73 105 TA = TJ = 25°C, IOUT = 2 A, VILIM_SEL = Logic HI 73 84 tr Rise time, output CL = 1 µF, RL = 100 Ω, (see Figure 27, Figure 28) 1 1.5 ms tf Fall time, output CL = 1 µF, RL = 100 Ω, (see Figure 27, Figure 28) 0.2 0.5 OUT discharge RDIS 400 500 630 Ω resistance IREV Reverse leakage current VOUT = 5.5 V, VIN = VEN = 0 V , TJ = 25°C 0 1 µA Enable Input EN (TPS2540/40A), Output Discharge Input DSC (TPS2541/41A) Enable pin turn on/off VEN 0.9 1.1 1.65 V threshold, falling VEN_HYS EN Hysteresis 200 mV IEN Input current VEN = 0 V or 5.5 V -0.5 0.5 µA DSC pin turn on/off VDSC 0.9 1.1 1.65 V threshold, falling VDSC_HYS DSC Hysteresis 200 mV IDSC Input current VDSC = 0 V or 5.5 V -0.5 0.5 µA tON Turn-on time CL = 1 µF, RL = 100 Ω(see Figure 27, Figure 29) 3.4 5 ms tOFF Turn-off time CL = 1 µF, RL = 100 Ω(see Figure 27, Figure 29) 1.7 3 Current Limit ILIM_SEL turn on/off VILIM_SEL 0.9 1.1 1.65 V threshold, falling VILIM_HYS ILIM_SEL Hysteresis 200 mV ILIM_SEL input current VILIM_SEL = 0 V or 5.5 V -0.5 0.5 µA RILIM0 = 210 kΩ 185 230 265 VILIM_SEL = Logic LO RILIM0 = 100 kΩ 420 480 530 RILIM1 = 20 kΩ 2150 2430 2650 Maximum DC output ISHORT VILIM_SEL = Logic HI mA current from IN to OUT RILIM1 = 16.9 kΩ 2550 2840 3100 RILIM0 = 698 kΩ VILIM_SEL = Logic LO 25 55 85 -40 ≤ TJ ≤ 85°C Response time to tIOS VIN = 5.0 V (see Figure 30) 1.5 µs short-circuit Supply Current Supply current, switch ICCL VEN = VDSC = 0 V, OUT grounded, -40 ≤ TJ ≤ 85°C 0.1 2 disabled VILIM_SEL = Logic 150 185 µA HI ICCH Supply current, operating VEN = VDSC = VIN, VILIM_SEL = Logic 130 170 LOW Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS2540, TPS2540A TPS2541, TPS2541A |
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