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TPS2421-2DDAR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2421-2DDAR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 31 page  3 TPS2421-1, TPS2421-2 www.ti.com SLUS907I – JANUARY 2009 – REVISED JANUARY 2015 Product Folder Links: TPS2421-1 TPS2421-2 Submit Documentation Feedback Copyright © 2009–2015, Texas Instruments Incorporated • Changed VIN to VVIN in the functional block diagram, Equation 6, and Equation 7 .............................................................. 14 • Changed In to VVIN in Equation 21 ....................................................................................................................................... 18 Changes from Revision G (May 2013) to Revision H Page • Deleted minimum voltage from voltage range in the document title, features list and description ........................................ 1 • Added 5-A to document title ................................................................................................................................................... 1 • Changed listed to recognized in UL FEATURES bullet, also added specific UL number...................................................... 1 • Added SSDs, PCIE, and Fan Control to the APPLICATIONS list.......................................................................................... 1 • Added maximum-UV turn-on threshold of 2.9 V sentence to the first paragraph of the DESCRIPTION............................... 1 • Deleted capacitor, CVIN, and diode from the Typical Application image. Also changed RSET to RRSET and COUT to CLOAD. Removed voltage range and changed OUT to VOUT. Also removed note on the former COUT stating that this is only required in systems with lead and/or load inductance ................................................................................................ 1 • Changed COUT to CLOAD and RSET to RRSET throughout document ......................................................................................... 1 • Changed current limit value of the ISET description from 125% to 150% in thePin Functions table. Also removed TPS2421 only text form this description................................................................................................................................. 5 • Changed COUT to CVOUT for the power limit parameter in the Electrical Characteristics table................................................ 7 • Changed RSET = 100 kW to RRSET = 100 kΩ in the FAULT CURRENT vs JUNCTION TEMPERATURE graph................... 9 • Added note for TPS2421-1 to the VIN description in the PIN DESCRIPTION section ........................................................ 13 • Changed VIN to VVIN in the functional block diagram, Equation 6, and Equation 7 .............................................................. 14 • Changed In to VVIN in Equation 21 ....................................................................................................................................... 18 Changes from Revision F (April 2013) to Revision G Page • Deleted ISET, CT Voltage from the Absolute Maximum Ratings (1) table.................................................................................. 6 Changes from Revision E (September 2011) to Revision F Page • Changed CCT values From: MIN = 100 pF/µF To 0.1 nF and MAX From: 10 pF/µF To: -- in the Recommended Operating Conditions table ..................................................................................................................................................... 6 • Added RRSET to the Recommended Operating Conditions table ............................................................................................ 6 • Changed the conditions statement of the Electrical Characteristics table ............................................................................. 7 • Changed the TEST CONDITIONS for RON............................................................................................................................. 7 • Changed ILIM / IFLT To: ILIM / ISET.............................................................................................................................................. 7 • Changed the conditions statement of the Electrical Characteristics table ............................................................................. 8 • Changed the PIN DESCRIPTION section ............................................................................................................................ 12 • Changed the Application Information section. ...................................................................................................................... 17 Changes from Revision D (August 2010) to Revision E Page • Changed RFLT to RSET ........................................................................................................................................................ 9 • Changed equation 3 from RIFLT to RISET and IFAULT to ISET ........................................................................................ 12 Changes from Revision C (July 2010) to Revision D Page • Added Feature: UL Listed - File Number E169910 ................................................................................................................ 1 |
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