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NX5P2553 bảng dữ liệu(PDF) 24 Page - NXP Semiconductors |
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24 / 24 page ![]() NXP Semiconductors NX5P2553 Precision adjustable current-limited power switch © NXP Semiconductors N.V. 2015. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 6 July 2015 Document identifier: NX5P2553 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. 20. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 5 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 6 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2 7 Pinning information . . . . . . . . . . . . . . . . . . . . . . 3 7.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 7.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3 8 Functional description . . . . . . . . . . . . . . . . . . . 3 8.1 EN input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 8.2 UnderVoltage LockOut (UVLO) . . . . . . . . . . . . 4 8.3 ILIM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 8.4 OverCurrent Protection (OCP) . . . . . . . . . . . . . 4 8.4.1 Overcurrent at start-up . . . . . . . . . . . . . . . . . . . 4 8.4.2 Overcurrent when enabled . . . . . . . . . . . . . . . . 4 8.4.3 Short-circuit when enabled . . . . . . . . . . . . . . . . 4 8.5 Reverse-Voltage Protection (RVP) . . . . . . . . . . 4 8.6 FAULT output . . . . . . . . . . . . . . . . . . . . . . . . . . 5 8.7 OverTemperature Protection (OTP) . . . . . . . . . 5 9 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5 10 Recommended operating conditions. . . . . . . . 6 11 Thermal characteristics . . . . . . . . . . . . . . . . . . 6 12 Static characteristics . . . . . . . . . . . . . . . . . . . . . 6 12.1 Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 12.2 ON resistance . . . . . . . . . . . . . . . . . . . . . . . . . . 8 12.3 ON resistance graph. . . . . . . . . . . . . . . . . . . . . 9 12.4 Current limit . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 12.5 Current limit graph . . . . . . . . . . . . . . . . . . . . . 10 12.6 Thermal shutdown . . . . . . . . . . . . . . . . . . . . . 10 13 Dynamic characteristics . . . . . . . . . . . . . . . . . 10 13.1 Waveform and test circuits . . . . . . . . . . . . . . . 11 14 Application information. . . . . . . . . . . . . . . . . . 16 14.1 Application diagram . . . . . . . . . . . . . . . . . . . . 16 14.2 Best practices . . . . . . . . . . . . . . . . . . . . . . . . . 16 15 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 18 16 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 21 17 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 21 18 Legal information. . . . . . . . . . . . . . . . . . . . . . . 22 18.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 22 18.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 18.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 18.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 23 19 Contact information. . . . . . . . . . . . . . . . . . . . . 23 20 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 |
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