Datasheet Texas Instruments UCC2891DR — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | UCC2891 |
| Numero de parte | UCC2891DR |
Controlador PWM Active Clamp de modo actual 16-SOIC -40 a 85
Hojas de datos
UCC289x Current Mode Active Clamp PWM Controller datasheet
PDF, 1.2 Mb, Revisión: F, Archivo publicado: jul 1, 2009
Extracto del documento
Precios
Estado
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No |
Embalaje
| Pin | 16 |
| Package Type | D |
| Industry STD Term | SOIC |
| JEDEC Code | R-PDSO-G |
| Package QTY | 2500 |
| Carrier | LARGE T&R |
| Device Marking | UCC2891 |
| Width (mm) | 3.91 |
| Length (mm) | 9.9 |
| Thickness (mm) | 1.58 |
| Pitch (mm) | 1.27 |
| Max Height (mm) | 1.75 |
| Mechanical Data | Descargar |
Paramétricos
| Control Method | Current |
| Duty Cycle(Max) | 100 % |
| Frequency(Max) | 1000 kHz |
| Gate Drive(Typ) | 2.5 A |
| Operating Temperature Range | -40 to 85 C |
| Package Group | SOIC |
| Rating | Catalog |
| Special Features | HV Start-up,Input Line Monitor,Multi-topology,Programmable Slope Compensation,Soft Start,Soft Switching |
| Topology | Active-Clamp Forward,Flyback,Forward |
| UVLO Thresholds On/Off | 13.0/8.0 V |
| Vin(Max) | 110 V |
| Vin(Min) | 18 V |
Plan ecológico
| RoHS | Obediente |
Kits de diseño y Módulos de evaluación
- Evaluation Modules & Boards: UCC2891EVM-520
Evaluation Module for UCC2891 Current Mode Active Clamp PWM Controller
Estado del ciclo de vida: Activo (Recomendado para nuevos diseños)
Notas de aplicación
- Design of a 60-A interleaved active-clamp forward converterPDF, 192 Kb, Archivo publicado: enero 22, 2013
- Active Clamp Transformer Reset: High Side or Low Side?PDF, 167 Kb, Archivo publicado: sept 17, 2004
- 1Q 2013Issue Analog Applications JournalPDF, 1.1 Mb, Archivo publicado: enero 22, 2013
- Understanding and Designing an Active Clamp Current Mode Controlled ConverterPDF, 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 UCC2897AEVMPDF, 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
Serie: UCC2891 (7)
- UCC2891D UCC2891DG4 UCC2891DR UCC2891DRG4 UCC2891PW UCC2891PWG4 UCC2891PWR
Clasificación del fabricante
- Semiconductors > Power Management > Offline and Isolated DC/DC Controllers and Converters > PWM and Resonant Controller