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UCC28180 参数 Datasheet PDF下载

UCC28180图片预览
型号: UCC28180
PDF下载: 下载PDF文件 查看货源
内容描述: 可编程频率,连续导通模式( CCM )升压功率因数校正(PFC )控制器 [Programmable Frequency, Continuous Conduction Mode (CCM), Boost Power Factor Correction (PFC) Controller]
分类和应用: 功率因数校正控制器
文件页数/大小: 48 页 / 1765 K
品牌: TI [ TEXAS INSTRUMENTS ]
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UCC28180  
SLUSBQ5A NOVEMBER 2013REVISED NOVEMBER 2013  
www.ti.com  
The total closed loop transfer function, GVL_total, contains the combined stages and is plotted in Figure 35.  
GVL _ total(f) = GFB(f)GPWM _ PS(f)GEA(f)  
(120)  
(121)  
GVL _ totaldB(f) = 20log G  
(
(f)  
)
VL _ total  
100  
100  
80  
60  
40  
20  
0
50  
0
±50  
±100  
±150  
EA Gain  
Total Closed Loop Gain  
Total Closed Loop Phase Margin  
0.01  
0.1  
1
10  
100  
1000  
Frequency (Hz)  
C001  
Figure 35. Closed Loop Voltage Bode Plot  
38  
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Product Folder Links :UCC28180  
 
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