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LM46002A-Q1 Datasheet(PDF) 2 Page - Texas Instruments |
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LM46002A-Q1 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 60 page 2 LM46002-Q1, LM46002A-Q1 SNVSAA2B – JULY 2015 – REVISED JULY 2017 www.ti.com Product Folder Links: LM46002-Q1 LM46002A-Q1 Submit Documentation Feedback Copyright © 2015–2017, Texas Instruments Incorporated Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Pin Configuration and Functions ......................... 3 6 Specifications......................................................... 4 6.1 Absolute Maximum Ratings ...................................... 4 6.2 ESD Ratings.............................................................. 4 6.3 Recommended Operating Conditions ....................... 4 6.4 Thermal Information .................................................. 5 6.5 Electrical Characteristics........................................... 5 6.6 Timing Requirements ................................................ 6 6.7 Switching Characteristics .......................................... 7 6.8 Typical Characteristics .............................................. 8 7 Detailed Description ............................................ 14 7.1 Overview ................................................................. 14 7.2 Functional Block Diagram ....................................... 14 7.3 Feature Description................................................. 15 7.4 Device Functional Modes........................................ 23 8 Applications and Implementation ...................... 24 8.1 Application Information............................................ 24 8.2 Typical Applications ................................................ 24 9 Power Supply Recommendations ...................... 40 10 Layout................................................................... 40 10.1 Layout Guidelines ................................................. 40 10.2 Layout Example .................................................... 43 11 Device and Documentation Support ................. 44 11.1 Device Support .................................................... 44 11.2 Receiving Notification of Documentation Updates 44 11.3 Community Resources.......................................... 44 11.4 Trademarks ........................................................... 44 11.5 Electrostatic Discharge Caution ............................ 44 11.6 Glossary ................................................................ 44 12 Mechanical, Packaging, and Orderable Information ........................................................... 45 4 Revision History Changes from Revision A (August 2015) to Revision B Page • Editorial changes to meet writing/editing standards .............................................................................................................. 1 • Added LM46002A-Q1 version information throughout data sheet ......................................................................................... 1 • Added WEBENCH ® content and links .................................................................................................................................... 1 • Added maximum operating junction temperature................................................................................................................... 4 • Added standard note 1 to Thermal Information table ............................................................................................................ 5 • Updating the Soft-start charge current (ISSC) minimum from 1.25 µA to 1.17 µA and typical from 2.2 µA to 2 µA ............... 6 • Updating RPGOOD value on EN = 3.3 V and EN = 0 V ........................................................................................................ 6 • Updating Equation 16 ........................................................................................................................................................... 27 Changes from Original (July 2015) to Revision A Page • Changed from Preview to Production Data ............................................................................................................................ 1 |
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