Datasheet Texas Instruments UCC2891PWR — 数据表

制造商Texas Instruments
系列UCC2891
零件号UCC2891PWR
Datasheet Texas Instruments UCC2891PWR

电流模式有源钳位PWM控制器16-TSSOP -40至85

数据表

UCC289x Current Mode Active Clamp PWM Controller datasheet
PDF, 1.2 Mb, 修订版: F, 档案已发布: Jul 1, 2009
从文件中提取

价格

状态

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

打包

Pin16
Package TypePW
Industry STD TermTSSOP
JEDEC CodeR-PDSO-G
Package QTY2000
CarrierLARGE T&R
Device MarkingUCC2891
Width (mm)4.4
Length (mm)5
Thickness (mm)1
Pitch (mm).65
Max Height (mm)1.2
Mechanical Data下载

参数化

Control MethodCurrent
Duty Cycle(Max)100 %
Frequency(Max)1000 kHz
Gate Drive(Typ)2.5 A
Operating Temperature Range-40 to 85 C
Package GroupTSSOP
RatingCatalog
Special FeaturesHV Start-up,Input Line Monitor,Multi-topology,Programmable Slope Compensation,Soft Start,Soft Switching
TopologyActive-Clamp Forward,Flyback,Forward
UVLO Thresholds On/Off13.0/8.0 V
Vin(Max)110 V
Vin(Min)18 V

生态计划

RoHSCompliant

设计套件和评估模块

  • Evaluation Modules & Boards: UCC2891EVM-520
    Evaluation Module for UCC2891 Current Mode Active Clamp PWM Controller
    Lifecycle Status: Active (Recommended for new designs)

应用须知

  • Design of a 60-A interleaved active-clamp forward converter
    PDF, 192 Kb, 档案已发布: Jan 22, 2013
  • Active Clamp Transformer Reset: High Side or Low Side?
    PDF, 167 Kb, 档案已发布: Sep 17, 2004
  • 1Q 2013Issue Analog Applications Journal
    PDF, 1.1 Mb, 档案已发布: Jan 22, 2013
  • Understanding and Designing an Active Clamp Current Mode Controlled Converter
    PDF, 845 Kb, 档案已发布: May 6, 2010
    The UCC2897A Current Mode Active Clamp PWM Controller offers a highly integrated feature set resulting in precision control required for an active clamp forward or flyback converter. The UCC2897A data sheet contains all the design details necessary for accurately programming the device. However, there are significant design considerations and trade-offs unique to the active clamp power stage that
  • Method of Providing Hiccup Operation for UCC2897AEVM
    PDF, 361 Kb, 档案已发布: Aug 27, 2009
    This application note is to provide users of the UCC2897AEVM with a method of generating acyclic restart or restart attempt of the EVM should the converter encounter an overcurrent condition including an output short.

模型线

制造商分类

  • Semiconductors > Power Management > Offline and Isolated DC/DC Controllers and Converters > PWM and Resonant Controller