Datasheet Texas Instruments UCC2891DR — Datenblatt

HerstellerTexas Instruments
SerieUCC2891
ArtikelnummerUCC2891DR
Datasheet Texas Instruments UCC2891DR

Aktueller Modus Active Clamp PWM-Controller 16-SOIC -40 bis 85

Datenblätter

UCC289x Current Mode Active Clamp PWM Controller datasheet
PDF, 1.2 Mb, Revision: F, Datei veröffentlicht: Jul 1, 2009
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Preise

Status

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

Verpackung

Pin16
Package TypeD
Industry STD TermSOIC
JEDEC CodeR-PDSO-G
Package QTY2500
CarrierLARGE T&R
Device MarkingUCC2891
Width (mm)3.91
Length (mm)9.9
Thickness (mm)1.58
Pitch (mm)1.27
Max Height (mm)1.75
Mechanical DataHerunterladen

Parameter

Control MethodCurrent
Duty Cycle(Max)100 %
Frequency(Max)1000 kHz
Gate Drive(Typ)2.5 A
Operating Temperature Range-40 to 85 C
Package GroupSOIC
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

Öko-Plan

RoHSCompliant

Design Kits und Evaluierungsmodule

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

Anwendungshinweise

  • Design of a 60-A interleaved active-clamp forward converter
    PDF, 192 Kb, Datei veröffentlicht: Jan 22, 2013
  • Active Clamp Transformer Reset: High Side or Low Side?
    PDF, 167 Kb, Datei veröffentlicht: Sep 17, 2004
  • 1Q 2013Issue Analog Applications Journal
    PDF, 1.1 Mb, Datei veröffentlicht: Jan 22, 2013
  • Understanding and Designing an Active Clamp Current Mode Controlled Converter
    PDF, 845 Kb, Datei veröffentlicht: 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, Datei veröffentlicht: 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.

Modellreihe

Herstellerklassifikation

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