Datasheet Texas Instruments LM2679 — 数据表

制造商Texas Instruments
系列LM2679
Datasheet Texas Instruments LM2679

具有可调电流限制的简单开关8V至40V,5A降压DC / DC开关稳压器

数据表

LM2679 SIMPLE SWITCHER 5-A Step-Down Voltage Regulator With Adjustable Current Limit datasheet
PDF, 2.2 Mb, 修订版: O, 档案已发布: Jun 29, 2016
从文件中提取

价格

状态

LM2679S-12/NOPBLM2679S-3.3LM2679S-3.3/NOPBLM2679S-5.0LM2679S-5.0/NOPBLM2679S-ADJLM2679S-ADJ/NOPBLM2679SD-3.3/NOPBLM2679SD-5.0/NOPBLM2679SD-ADJ/NOPBLM2679SDX-3.3/NOPBLM2679SDX-ADJ/NOPBLM2679SX-12/NOPBLM2679SX-3.3/NOPBLM2679SX-5.0LM2679SX-5.0/NOPBLM2679SX-ADJLM2679SX-ADJ/NOPBLM2679T-12/NOPBLM2679T-3.3/NOPBLM2679T-5.0LM2679T-5.0/NOPBLM2679T-ADJ/NOPB
Lifecycle StatusActive (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesNoYesNoNoYesNoNoNoYesYesNoYesNoYesYesNoYesNoYesYesYesYes

打包

LM2679S-12/NOPBLM2679S-3.3LM2679S-3.3/NOPBLM2679S-5.0LM2679S-5.0/NOPBLM2679S-ADJLM2679S-ADJ/NOPBLM2679SD-3.3/NOPBLM2679SD-5.0/NOPBLM2679SD-ADJ/NOPBLM2679SDX-3.3/NOPBLM2679SDX-ADJ/NOPBLM2679SX-12/NOPBLM2679SX-3.3/NOPBLM2679SX-5.0LM2679SX-5.0/NOPBLM2679SX-ADJLM2679SX-ADJ/NOPBLM2679T-12/NOPBLM2679T-3.3/NOPBLM2679T-5.0LM2679T-5.0/NOPBLM2679T-ADJ/NOPB
N1234567891011121314151617181920212223
Pin7777777141414141477777777777
Package TypeKTWKTWKTWKTWKTWKTWKTWNHMNHMNHMNHMNHMKTWKTWKTWKTWKTWKTWNDZNDZNDZNDZNDZ
Industry STD TermTO-263TO-263TO-263TO-263TO-263TO-263TO-263VSONVSONVSONVSONVSONTO-263TO-263TO-263TO-263TO-263TO-263TO-220TO-220TO-220TO-220TO-220
JEDEC CodeR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-MSFM-LR-MSFM-LR-MSFM-LR-MSFM-LR-MSFM-L
Package QTY45454545454545250250250250025005005005005005005004545454545
CarrierTUBETUBETUBETUBETUBETUBETUBESMALL T&RSMALL T&RSMALL T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RTUBETUBETUBETUBETUBE
Device MarkingLM2679LM2679S-3.3S-5.0S-5.0S-ADJS-ADJS0003HBS0003JBS0003KBS0003HBS0003KBS-12LM2679S-5.0S-5.0LM2679LM2679T-12T-3.3LM2679LM2679LM2679
Width (mm)8.898.898.898.898.898.898.89555558.898.898.898.898.898.8910.1610.1610.1610.1610.16
Length (mm)10.110.110.110.110.110.110.16666610.110.110.110.110.110.114.98614.98614.98614.98614.986
Thickness (mm)4.444.444.444.444.444.444.44111114.444.444.444.444.444.444.5724.5724.5724.5724.572
Pitch (mm)1.271.271.271.271.271.271.27.8.8.8.8.81.271.271.271.271.271.271.271.271.271.271.27
Max Height (mm)4.654.654.654.654.654.654.65111114.654.654.654.654.654.654.74.74.74.74.7
Mechanical Data下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载下载

参数化

Parameters / ModelsLM2679S-12/NOPB
LM2679S-12/NOPB
LM2679S-3.3
LM2679S-3.3
LM2679S-3.3/NOPB
LM2679S-3.3/NOPB
LM2679S-5.0
LM2679S-5.0
LM2679S-5.0/NOPB
LM2679S-5.0/NOPB
LM2679S-ADJ
LM2679S-ADJ
LM2679S-ADJ/NOPB
LM2679S-ADJ/NOPB
LM2679SD-3.3/NOPB
LM2679SD-3.3/NOPB
LM2679SD-5.0/NOPB
LM2679SD-5.0/NOPB
LM2679SD-ADJ/NOPB
LM2679SD-ADJ/NOPB
LM2679SDX-3.3/NOPB
LM2679SDX-3.3/NOPB
LM2679SDX-ADJ/NOPB
LM2679SDX-ADJ/NOPB
LM2679SX-12/NOPB
LM2679SX-12/NOPB
LM2679SX-3.3/NOPB
LM2679SX-3.3/NOPB
LM2679SX-5.0
LM2679SX-5.0
LM2679SX-5.0/NOPB
LM2679SX-5.0/NOPB
LM2679SX-ADJ
LM2679SX-ADJ
LM2679SX-ADJ/NOPB
LM2679SX-ADJ/NOPB
LM2679T-12/NOPB
LM2679T-12/NOPB
LM2679T-3.3/NOPB
LM2679T-3.3/NOPB
LM2679T-5.0
LM2679T-5.0
LM2679T-5.0/NOPB
LM2679T-5.0/NOPB
LM2679T-ADJ/NOPB
LM2679T-ADJ/NOPB
Control ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage Mode
Duty Cycle(Max), %9191919191919191919191919191919191919191919191
Iout(Max), A55555555555555555555555
Iq(Typ), mA4.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.2
Operating Temperature Range, C-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125
Package GroupDDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263VSONVSONVSONVSONVSONDDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263TO-220TO-220TO-220TO-220TO-220
RatingCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalog
Regulated Outputs11111111111111111111111
Special FeaturesFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency Synchronization
Switching Frequency(Max), kHz260260260260260260260260260260260260260260260260260260260260260260260
Switching Frequency(Min), kHz260260260260260260260260260260260260260260260260260260260260260260260
TypeConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverter
Vin(Max), V4040404040404040404040404040404040404040404040
Vin(Min), V88888888888888888888888
Vout(Max), V3737373737373737373737373737373737373737373737
Vout(Min), V1.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.23

生态计划

LM2679S-12/NOPBLM2679S-3.3LM2679S-3.3/NOPBLM2679S-5.0LM2679S-5.0/NOPBLM2679S-ADJLM2679S-ADJ/NOPBLM2679SD-3.3/NOPBLM2679SD-5.0/NOPBLM2679SD-ADJ/NOPBLM2679SDX-3.3/NOPBLM2679SDX-ADJ/NOPBLM2679SX-12/NOPBLM2679SX-3.3/NOPBLM2679SX-5.0LM2679SX-5.0/NOPBLM2679SX-ADJLM2679SX-ADJ/NOPBLM2679T-12/NOPBLM2679T-3.3/NOPBLM2679T-5.0LM2679T-5.0/NOPBLM2679T-ADJ/NOPB
RoHSCompliantSee ti.comCompliantSee ti.comCompliantSee ti.comCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantSee ti.comCompliantSee ti.comCompliantCompliantCompliantSee ti.comCompliantCompliant
Pb FreeYesYesYesYesYesYesYesYes

应用须知

  • AN-643 EMI/RFI Board Design (Rev. B)
    PDF, 742 Kb, 修订版: B, 档案已发布: May 3, 2004
    Application Note 643 EMI/RFI Board Design
  • AN-1187 Leadless Leadframe Package (LLP) (Rev. R)
    PDF, 21.3 Mb, 修订版: R, 档案已发布: May 7, 2013
    This application report discusses the Leadless Leadframe Package (LLP).
  • Input and Output Capacitor Selection
    PDF, 219 Kb, 档案已发布: Sep 19, 2005
  • AN-1197 Selecting Inductors for Buck Converters (Rev. B)
    PDF, 558 Kb, 修订版: B, 档案已发布: Apr 23, 2013
    This application report provides design information to help select an off-the-shelf inductor for anycontinuous-mode buck converter application.
  • AN-1Positive-to-Negative Buck-Boost Converter Using LM267x SIMPLE SWITCHER (Rev. E)
    PDF, 291 Kb, 修订版: E, 档案已发布: Apr 23, 2013
    The third generation Simple Switcher LM267X series of regulators are monolithic integrated circuits withan internal MOSFET switch. These regulators are simple to use and require only a few externalcomponents. In this article the design of a polarity inverting converter will be discussed.
  • AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)
    PDF, 3.6 Mb, 修订版: A, 档案已发布: Apr 23, 2013
    This application note will explore how the layout of your DC/DC power supply can significantly affect theamount of EMI that it produces. It will discuss several variations of a layout analyze the results andprovide answers to some common EMI questions such whether or not to use a shielded inductor.
  • AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)
    PDF, 1.4 Mb, 修订版: A, 档案已发布: Apr 23, 2013
    This application note provides thermal power analysis techniques for analyzing the power IC.
  • AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)
    PDF, 2.7 Mb, 修订版: A, 档案已发布: Apr 23, 2013
    This application report shows how to measure the critical points of a bode plot with only an audiogenerator (or simple signal generator) and an oscilloscope. The method is explained in an easy to followstep-by-step manner so that a power supply designer can start performing these measurements in a shortamount of time.
  • Semiconductor and IC Package Thermal Metrics (Rev. C)
    PDF, 201 Kb, 修订版: C, 档案已发布: Apr 19, 2016
  • Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)
    PDF, 512 Kb, 修订版: A, 档案已发布: Sep 12, 2014
    Printed Circuit Board (PCB) layout for Switched Mode Power Supplies (SMPS) is critical to achieve proper converter operation good thermal performance and excellent radiated EMI performance. Optimized board layout for low radiated EMI is made very simple by the package and pin arrangement of the SIMPLE SWITCHER Synchronous Buck Converter family LM4360x and LM4600x
  • Simple Techniques Minimize Cross-Coupling in Distributed Power Systems
    PDF, 335 Kb, 档案已发布: Mar 21, 2007
  • AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)
    PDF, 82 Kb, 修订版: C, 档案已发布: Apr 23, 2013
    When designing a high frequency switching regulated power supply layout is very important. Using agood layout can solve many problems associated with these types of supplies. The problems due to a badlayout are often seen at high current levels and are usually more obvious at large input to output voltagedifferentials. Some of the main problems are loss of regulation at high output current
  • AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)
    PDF, 374 Kb, 修订版: C, 档案已发布: Apr 23, 2013
    This application report provides SIMPLE SWITCHER™ PCB layout guidelines.
  • AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)
    PDF, 2.5 Mb, 修订版: C, 档案已发布: Apr 24, 2013
    Electromagnetic Interference (EMI) is an unwanted effect between two electrical systems as a result ofeither electromagnetic radiation or electromagnetic conduction. EMI is the major adverse effect caused bythe application of switch-mode power supplies (SMPS). In switching power supplies EMI noise isunavoidable due to the switching actions of the semiconductor devices and resulting disconti
  • AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)
    PDF, 427 Kb, 修订版: C, 档案已发布: Apr 23, 2013
    This application note discusses stresses in wide input DC-DC converters.
  • AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)
    PDF, 9.2 Mb, 修订版: B, 档案已发布: Apr 23, 2013
    This thermal application report provides guidelines for the optimal board layout to achieve the best thermalresistance for exposed packages. The thermal resistance between junction-to-ambient (ОёJA) is highlydependent on the PCB (Printed Circuit Board) design factors. This becomes more critical for packageshaving very low thermal resistance between junction-to-case such as exposed pad TSSOP

模型线

制造商分类

  • Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Converter (Integrated Switch)