Datasheet Texas Instruments LM25117PMHE/NOPB — 数据表

制造商Texas Instruments
系列LM25117
零件号LM25117PMHE/NOPB
Datasheet Texas Instruments LM25117PMHE/NOPB

具有跟踪20-HTSSOP -40至125的4.5-42V宽输入电压,电流模式同步降压控制器

数据表

LM25117/Q1 Wide Input Range Synchronous Buck Controller With Analog Current Monitor datasheet
PDF, 2.0 Mb, 修订版: F, 档案已发布: Aug 27, 2015
从文件中提取

价格

状态

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

打包

Pin2020
Package TypePWPPWP
Industry STD TermHTSSOPHTSSOP
JEDEC CodeR-PDSO-GR-PDSO-G
Package QTY250250
CarrierSMALL T&RSMALL T&R
Device MarkingPMHLM25117
Width (mm)4.44.4
Length (mm)6.56.5
Thickness (mm)11
Pitch (mm).65.65
Max Height (mm)1.21.2
Mechanical Data下载下载

参数化

Control ModeCurrent Mode
Duty Cycle(Max)98 %
Iout(Max)20 A
Iq(Typ)4.8 mA
Number of Phases1
Operating Temperature Range-40 to 125 C
Package GroupHTSSOP
RatingCatalog
Regulated Outputs1
Special FeaturesAdjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Synchronous Rectification,Tracking,UVLO Adjustable
Switching Frequency(Max)750 kHz
Switching Frequency(Min)50 kHz
TypeController
Vin(Max)42 V
Vin(Min)4.5 V
Vout(Max)41 V
Vout(Min)0.8 V

生态计划

RoHSCompliant

设计套件和评估模块

  • Evaluation Modules & Boards: LM25117EVAL
    LM25117 Wide Vin Synchronous Buck Controller Evaluation Board
    Lifecycle Status: Active (Recommended for new designs)

应用须知

  • Analog Applications Journal 3Q 2015
    PDF, 7.1 Mb, 档案已发布: Jul 24, 2015
  • Ceramic or electrolytic output capacitors in DC/DC converters—Why not both?
    PDF, 2.1 Mb, 档案已发布: Jul 24, 2015
  • 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)