Datasheet Texas Instruments UCC2897A — 数据表

制造商Texas Instruments
系列UCC2897A
Datasheet Texas Instruments UCC2897A

先进的电流模式有源钳位PWM控制器

数据表

UCC2897A Advanced Current-Mode Active-Clamp PWM Controller datasheet
PDF, 1.7 Mb, 修订版: E, 档案已发布: Jun 3, 2011
从文件中提取

价格

状态

UCC2897APWUCC2897APWRUCC2897ARGPRUCC2897ARGPT
Lifecycle StatusActive (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityNoYesNoYes

打包

UCC2897APWUCC2897APWRUCC2897ARGPRUCC2897ARGPT
N1234
Pin20202020
Package TypePWPWRGPRGP
Industry STD TermTSSOPTSSOPVQFNVQFN
JEDEC CodeR-PDSO-GR-PDSO-GS-PQFP-NS-PQFP-N
Package QTY7020003000250
CarrierTUBELARGE T&RLARGE T&RSMALL T&R
Device MarkingUCC2897AUCC2897A2897A2897A
Width (mm)4.44.444
Length (mm)6.56.544
Thickness (mm)11.93.93
Pitch (mm).65.65.5.5
Max Height (mm)1.21.211
Mechanical Data下载下载下载下载

参数化

Parameters / ModelsUCC2897APW
UCC2897APW
UCC2897APWR
UCC2897APWR
UCC2897ARGPR
UCC2897ARGPR
UCC2897ARGPT
UCC2897ARGPT
Control MethodCurrentCurrentCurrentCurrent
Duty Cycle(Max), %74747474
Frequency(Max), kHz1000100010001000
Gate Drive(Typ), A2222
Operating Temperature Range, C-40 to 125-40 to 125-40 to 125-40 to 125
Package GroupTSSOPTSSOPQFNQFN
RatingCatalogCatalogCatalogCatalog
Special FeaturesHV Start-up,Input Line Monitor,Programmable Slope Compensation,Soft Start,Soft SwitchingHV Start-up,Input Line Monitor,Programmable Slope Compensation,Soft Start,Soft SwitchingHV Start-up,Input Line Monitor,Programmable Slope Compensation,Soft Start,Soft SwitchingHV Start-up,Input Line Monitor,Programmable Slope Compensation,Soft Start,Soft Switching
TopologyActive-Clamp Forward,ForwardActive-Clamp Forward,ForwardActive-Clamp Forward,ForwardActive-Clamp Forward,Forward
UVLO Thresholds On/Off, V12.7/~812.7/~812.7/~812.7/~8
Vin(Max), V110110110110
Vin(Min), V18181818

生态计划

UCC2897APWUCC2897APWRUCC2897ARGPRUCC2897ARGPT
RoHSCompliantCompliantCompliantCompliant

应用须知

  • UCC2897A Peak Current Mode Active Clamp Forward Converter Small Signal Modeling
    PDF, 748 Kb, 档案已发布: Jan 17, 2014
  • External Slope Compensation for UCC2897A in Some Special Applications
    PDF, 192 Kb, 档案已发布: Jan 5, 2010
  • 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