[原创] TI UCC281803.5kW PFC效率大于98%参考设计TIDA－00779

TI公司的UCC28180是可编频率(18 kHz到250 kHz)连续导电模式(CCM)功率因速修正(PFC)控制器,8引脚封装,通用AC输入,工作在100W 到几kW范围,主要用在服务器和台式计算机电源,白色家电(空调器,冰箱),工业电源和平板(PDP,LCD和LED)TV等.本文介绍了UCC28180主要特性,功能框图,典型应用电路图以及230-V, 3.5-kW PFC效率大于98%参考设计TIDA-00779主要特性,系统指标,电路图和材料清单.

The UCC28180 is a flexible and easy-to-use, 8-pin,active Power-Factor Correction (PFC) controller thatoperates under Continuous Conduction Mode (CCM)to achieve high Power Factor, low current distortionand excellent voltage regulation of boost preregulatorsin AC - DC front-ends. The controller issuitable for universal AC input systems operating in100-W to few-kW range with the switching frequencyprogrammable between 18 kHz to 250 kHz, toconveniently support both power MOSFET and IGBTswitches. An integrated 1.5-A and 2-A (SRC-SNK)peak gate drive output, clamped internally at 15.2 V(typical), enables fast turn-on, turn-off, and easymanagement of the external power switch without theneed for buffer circuits.
..

查看全文