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TPS2540ARTET Datasheet(PDF) 2 Page - Texas Instruments |
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TPS2540ARTET Datasheet(HTML) 2 Page - Texas Instruments |
2 / 40 page TPS2540, TPS2540A TPS2541, TPS2541A SLVSAG2C – OCTOBER 2010 – REVISED OCTOBER 2011 www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. DESCRIPTION (CONT.) The TPS2540A/41A auto detect mode also has a longer detach detection time, so that it can support certain unique non-compliant devices. The TPS2540/40A/41/41A power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered, incorporating a 73-m Ω, N-channel MOSFET in a single package. Constant-current mode is used when the output load exceeds the current-limit threshold. ILIM_SEL logic input selects one of two current-limit thresholds, each one being individually adjustable via an external resistor. Additional USB switch features include a de-glitched output fault reporting (FAULT), and a logic-level enable EN (TPS2540/40A) or OUT discharge control DSC (TPS2541/41A). With the TPS2540/40A, the mode “000” is used to force an output discharge. PRODUCT INFORMATION(1) TA FUNCTION TDCPLOW (2) PACKAGE MARKING Enable 2540 ≤0.9 s Output Discharge 2541 -40 °C to 85°C QFN16 Enable 2540A ≤9 s Output Discharge 2541A (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or visit the device product folder on www.ti.com. (2) Low DP_IN period in DCP mode, see Figure 31. 2 Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated Product Folder Link(s): TPS2540, TPS2540A TPS2541, TPS2541A |
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