Datasheet Texas Instruments UCC2897APWR — Ficha de datos

FabricanteTexas Instruments
SerieUCC2897A
Numero de parteUCC2897APWR
Datasheet Texas Instruments UCC2897APWR

Controlador PWM de pinza activa de modo actual avanzado 20-TSSOP -40 a 125

Hojas de datos

UCC2897A Advanced Current-Mode Active-Clamp PWM Controller datasheet
PDF, 1.7 Mb, Revisión: E, Archivo publicado: jun 3, 2011
Extracto del documento

Precios

Estado

Estado del ciclo de vidaActivo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricante

Embalaje

Pin20
Package TypePW
Industry STD TermTSSOP
JEDEC CodeR-PDSO-G
Package QTY2000
CarrierLARGE T&R
Device MarkingUCC2897A
Width (mm)4.4
Length (mm)6.5
Thickness (mm)1
Pitch (mm).65
Max Height (mm)1.2
Mechanical DataDescargar

Paramétricos

Control MethodCurrent
Duty Cycle(Max)74 %
Frequency(Max)1000 kHz
Gate Drive(Typ)2 A
Operating Temperature Range-40 to 125 C
Package GroupTSSOP
RatingCatalog
Special FeaturesHV Start-up,Input Line Monitor,Programmable Slope Compensation,Soft Start,Soft Switching
TopologyActive-Clamp Forward,Forward
UVLO Thresholds On/Off12.7/~8 V
Vin(Max)110 V
Vin(Min)18 V

Plan ecológico

RoHSObediente

Kits de diseño y Módulos de evaluación

  • Evaluation Modules & Boards: UCC2897AEVM
    UCC2897A Evaluation Module
    Estado del ciclo de vida: Activo (Recomendado para nuevos diseños)
  • Evaluation Modules & Boards: TPS2373-4EVM-758
    TPS2373 Evaluation Module for IEEE802.3bt PoE PD Applications
    Estado del ciclo de vida: Activo (Recomendado para nuevos diseños)

Notas de aplicación

  • UCC2897A Peak Current Mode Active Clamp Forward Converter Small Signal Modeling
    PDF, 748 Kb, Archivo publicado: enero 17, 2014
  • External Slope Compensation for UCC2897A in Some Special Applications
    PDF, 192 Kb, Archivo publicado: enero 5, 2010
  • Understanding and Designing an Active Clamp Current Mode Controlled Converter
    PDF, 845 Kb, Archivo publicado: mayo 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, Archivo publicado: agosto 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.

Linea modelo

Clasificación del fabricante

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