Datasheet Texas Instruments LM2747 — 数据表

制造商Texas Instruments
系列LM2747
Datasheet Texas Instruments LM2747

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

数据表

Datasheet
PDF, 1.3 Mb
从文件中提取
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

LM2747MTCLM2747MTC/NOPBLM2747MTCXLM2747MTCX/NOPB
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesNo

打包

LM2747MTCLM2747MTC/NOPBLM2747MTCXLM2747MTCX/NOPB
N1234
Pin1414
Package TypePWPW
Industry STD TermTSSOPTSSOP
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY942500
CarrierTUBELARGE T&R
Device Marking27472747
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 / ModelsLM2747MTC
LM2747MTC
LM2747MTC/NOPB
LM2747MTC/NOPB
LM2747MTCX
LM2747MTCX
LM2747MTCX/NOPB
LM2747MTCX/NOPB
Control ModeVoltage ModeVoltage Mode
Duty Cycle(Max), %8686
Iout(Max), A2020
Iq(Typ), mA1.71.7
Number of Phases11
Operating Temperature Range, C-40 to 125-40 to 125
Package GroupTSSOPTSSOP
RatingCatalogCatalog
Regulated Outputs11
Special FeaturesEnable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,TrackingEnable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,Tracking
Switching Frequency(Max), kHz10001000
Switching Frequency(Min), kHz5050
TypeControllerController
Vin(Max), V1414
Vin(Min), V11
Vout(Max), V1212
Vout(Min), V0.60.6

生态计划

LM2747MTCLM2747MTC/NOPBLM2747MTCXLM2747MTCX/NOPB
RoHSCompliantCompliant

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

制造商分类

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