Datasheet Texas Instruments UC1854J — 数据表

制造商Texas Instruments
系列UC1854
零件号UC1854J
Datasheet Texas Instruments UC1854J

高功率因数预调节器16-CDIP -55至125

数据表

UCx854 High-Power Factor Preregulator datasheet
PDF, 949 Kb, 修订版: A, 档案已发布: Dec 16, 2016
从文件中提取

价格

状态

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

打包

Pin16
Package TypeJ
Industry STD TermCDIP
JEDEC CodeR-GDIP-T
Package QTY1
CarrierTUBE
Device MarkingUC1854J
Width (mm)6.92
Length (mm)19.56
Thickness (mm)4.57
Pitch (mm)2.54
Max Height (mm)5.08
Mechanical Data下载

参数化

Control MethodCCM
Duty Cycle(Max)95 %
Operating Temperature Range-55 to 125 C
Package GroupCDIP
Package Size: mm2:W x LSee datasheet (CDIP) PKG
RatingMilitary
Special FeaturesAverage Current Mode,Enable
UVLO Thresholds On/Off16/10 V

生态计划

RoHSSee ti.com

应用须知

  • U-134 UC3854 Controlled Power Factor Correction Circuit Design
    PDF, 346 Kb, 档案已发布: Sep 5, 1999
    The UC1854 provides active power factor correction for power systems that otherwise would draw non-sinusoidal current from sinusoidal power lines. This device implements all the control functions necessary to build a power supply capable of optimally using available power-line current while minimizing line-current distortion. This application note describes the concepts and design of a boost prere
  • DN-39E Optimizing Performance in UC3854 Power Factor Correction Applications
    PDF, 277 Kb, 档案已发布: Sep 5, 1999
    The performance of the UC3854 Power-Factor Correction IC in the 250W application example has been evaluated using a precision PFC/THD instrument. The result was a power factor of 0.999 and Total Harmonic Distortion (THD) of 3.81%, measured to the 50th line frequency harmonic at nominal line and full load. Users should get similar results at these conditions. as well as over most line and load rang
  • DN-41 Extend Current Transformer Range
    PDF, 37 Kb, 档案已发布: Sep 5, 1999
    The problems with self reset of current transformers for unipolar pulse applications can be overcome with simple forced-reset techniques derived from magnetic amplifiers. Duty factors above 90% are achievable with these techniques. This design note describes a circuit configured for forced reset and a configuration that generates a negative voltage from the current transformer.
  • AC Requirements for Power Factor Correction Circuits
    PDF, 29 Kb, 档案已发布: Mar 28, 2002
    This technical brief identifies the recommended range of IAC for each of the devices within the UCC3854 family of PFC controllers.
  • Accurate PWM Duty Cycle Clamp
    PDF, 58 Kb, 档案已发布: Jan 25, 2002
    Power supply applications using current sense transformers require a duty cycle clamp on the pulse width modulator (PWM) to ensure transformer reset. Not all PWMs come with a duty cycle clamp presenting a problem for the power supply designer. This application note shows how to implement a duty cycle clamp by using a simple delay circuit.

模型线

制造商分类

  • Semiconductors > Space & High Reliability > Power Management Products > Offline and Isolated DC/DC Controller and Converter