Datasheet Texas Instruments LM2742 — 数据表

制造商Texas Instruments
系列LM2742
Datasheet Texas Instruments LM2742

具有可调软启动的2.2-16V电压模式同步降压控制器

数据表

LM2742 N-Chan FET Synch Buck Reg Cntrlr for Low Output Voltages datasheet
PDF, 1.4 Mb, 修订版: C, 档案已发布: Mar 28, 2013
从文件中提取

价格

状态

LM2742MTC/NOPBLM2742MTCX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesYes

打包

LM2742MTC/NOPBLM2742MTCX/NOPB
N12
Pin1414
Package TypePWPW
Industry STD TermTSSOPTSSOP
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY942500
CarrierTUBELARGE T&R
Device MarkingMTCMTC
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

Parameters / ModelsLM2742MTC/NOPB
LM2742MTC/NOPB
LM2742MTCX/NOPB
LM2742MTCX/NOPB
Control ModeVoltage ModeVoltage Mode
Duty Cycle(Max), %9090
Iout(Max), A2020
Iq(Typ), mA1.51.5
Number of Phases11
Operating Temperature Range, C-40 to 125-40 to 125
Package GroupTSSOPTSSOP
RatingCatalogCatalog
Regulated Outputs11
Special FeaturesEnable,Power Good,Synchronous RectificationEnable,Power Good,Synchronous Rectification
Switching Frequency(Max), kHz20002000
Switching Frequency(Min), kHz5050
TypeControllerController
Vin(Max), V1616
Vin(Min), V2.22.2
Vout(Max), V13.513.5
Vout(Min), V0.60.6

生态计划

LM2742MTC/NOPBLM2742MTCX/NOPB
RoHSCompliantCompliant

应用须知

  • Automated Frequency Response Analyzer
    PDF, 939 Kb, 档案已发布: Oct 9, 2013
    This application report discusses a new method of doing stability Analysis testing by using basic labequipment, while not requiring any specific instruments.
  • 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
  • Power Management Considerations for FPGAs and ASICs
    PDF, 745 Kb, 档案已发布: Mar 22, 2007

模型线

制造商分类

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