Datasheet Texas Instruments TPS51221RTVT — 数据表

制造商Texas Instruments
系列TPS51221
零件号TPS51221RTVT
Datasheet Texas Instruments TPS51221RTVT

固定频率99%占空比峰值电流模式笔记本电脑系统电源双控制器32-WQFN -40至85

数据表

Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Pwr Controlle datasheet
PDF, 946 Kb, 修订版: A, 档案已发布: Feb 26, 2009
从文件中提取

价格

状态

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

打包

Pin3232
Package TypeRTVRTV
Industry STD TermWQFNWQFN
JEDEC CodeS-PQFP-NS-PQFP-N
Package QTY250250
CarrierSMALL T&RSMALL T&R
Device MarkingTPS51221
Width (mm)55
Length (mm)55
Thickness (mm).75.75
Pitch (mm).5.5
Max Height (mm).8.8
Mechanical Data下载下载

参数化

Control ModeCurrent Mode
Duty Cycle(Max)99 %
Iout(Max)20 A
Iq(Typ)1.3 mA
Number of Phases1
Operating Temperature Range-40 to 85 C
Package GroupWQFN
RatingCatalog
Regulated Outputs2
Special FeaturesEnable,Frequency Synchronization,Light Load Efficiency,Phase Interleaving,Power Good,Synchronous Rectification
Switching Frequency(Max)1000 kHz
Switching Frequency(Min)200 kHz
TypeController
Vin(Max)28 V
Vin(Min)4.5 V
Vout(Max)12 V
Vout(Min)1 V

生态计划

RoHSCompliant

应用须知

  • Intel ATOM Power Solutions (Rev. A)
    PDF, 57 Kb, 修订版: A, 档案已发布: May 7, 2009

模型线

系列: TPS51221 (2)

制造商分类

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