Datasheet Texas Instruments UCC2891DR — 数据表

电流模式有源钳位PWM控制器16-SOIC -40至85

数据表

PDF, 1.2 Mb, 修订版: F, 档案已发布: Jul 1, 2009

从文件中提取

Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

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

RoHS

Compliant

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

下载
Design of a 60-A interleaved active-clamp forward converter
PDF, 192 Kb, 档案已发布: Jan 22, 2013
下载
Active Clamp Transformer Reset: High Side or Low Side?
PDF, 167 Kb, 档案已发布: Sep 17, 2004
下载
1Q 2013Issue Analog Applications Journal
PDF, 1.1 Mb, 档案已发布: Jan 22, 2013
下载
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
下载
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.

系列: UCC2891 (7)

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