Datasheet Texas Instruments LM2747MTC/NOPB — 数据表

制造商Texas Instruments
系列LM2747
零件号LM2747MTC/NOPB
Datasheet Texas Instruments LM2747MTC/NOPB

具有预偏置启动和可选Cloc 14-TSSOP的1-14V,精度为1%的电压模式同步降压控制器-40至125

数据表

LM2747 Synch Buck Cntrlr w/Pre-bias Startup 7 Optional Clk Synch datasheet
PDF, 1.3 Mb, 修订版: B, 档案已发布: Mar 28, 2013
从文件中提取

价格

状态

Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes

打包

Pin1414
Package TypePWPW
Industry STD TermTSSOPTSSOP
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY9494
CarrierTUBETUBE
Device Marking2747MTC
Width (mm)4.44.4
Length (mm)55
Thickness (mm)11
Pitch (mm).65.65
Max Height (mm)1.21.2
Mechanical Data下载下载

参数化

Control ModeVoltage Mode
Duty Cycle(Max)86 %
Iout(Max)20 A
Iq(Typ)1.7 mA
Number of Phases1
Operating Temperature Range-40 to 125 C
Package GroupTSSOP
RatingCatalog
Regulated Outputs1
Special FeaturesEnable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,Tracking
Switching Frequency(Max)1000 kHz
Switching Frequency(Min)50 kHz
TypeController
Vin(Max)14 V
Vin(Min)1 V
Vout(Max)12 V
Vout(Min)0.6 V

生态计划

RoHSCompliant

设计套件和评估模块

  • Evaluation Modules & Boards: LM2747-19AEVAL
    LM2747 Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: LM2747EVAL
    Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization
    Lifecycle Status: Active (Recommended for new designs)

应用须知

  • AN-1603 LM274X Reference Designs (Rev. C)
    PDF, 222 Kb, 修订版: C, 档案已发布: May 1, 2013
    This application note presents several reference designs that implement the LM274X synchronous buckcontroller. The designs address various applications in a wide variety of configurations. The designreference will give an engineer a head start on their project, with designs encompassing sequencing,tracking, synchronizing multiple power supplies, DDR termination, buck-boost, low PCB real esta
  • Current Limit Foldback Improves Short Circuit Protection in LM274X Family (Rev. B)
    PDF, 89 Kb, 修订版: B, 档案已发布: Apr 23, 2013
    This application report discusses the function of the low side current limit used in the LM274X, andpresents a simple method to enhance the short-circuit protection. the current limit is required to protect thepower components from thermal stress, which can reduce life span. Typically, high side current limitdesigns require an internal rising edge blanking time or external filter to avoid no
  • Optmiz Pwr Cntrlr Dsigns thru Utiliz Freq & Sync, Ext Ref, Trking & Precis EN
    PDF, 359 Kb, 档案已发布: Apr 24, 2008
  • Reduce buck-converter EMI and voltage stress by minimizing inductive parasitics
    PDF, 926 Kb, 档案已发布: Jul 21, 2016

模型线

系列: LM2747 (4)

制造商分类

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