参数资料
| 型号： | IRAC1150-D2 |
| 厂商： | International Rectifier |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | BOARD CONTROL FOR IR1150S |
| 标准包装： | 1 |
| 系列： | µPFC™ |
| 主要目的： | 电源管理，功率因数校正 |
| 已用 IC / 零件： | IR1150S |
| 已供物品： | 板，文档 |
| 相关产品： | IR1150SDKR-ND - IC PFC CONTROLLER CCM 8-SOIC IR1150SPBFDKR-ND - IC PFC CONTROLLER CCM 8-SOIC IR1150SPBFCT-ND - IC PFC CONTROLLER CCM 8-SOIC IR1150SPBFTR-ND - IC PFC CONTROLLER CCM 8-SOIC IR1150SCT-ND - IC PFC CONTROLLER CCM 8-SOIC |
3.2.4 Output Voltage Loop Compensation
The loop compensation provided for on the IRAC1150-D2 Control Board provides the
frequency response shown below in Fig. 9. It provides for stable operation, good
power factor and THD with a 28Hz crossover frequency, while providing a soft start
time of approximately 40msec. The compensation should suffice for most all systems,
however detailed compensation design criteria is discussed in Application Note AN-
1077.
48.97
50
0
20 ? log ( H ( 1j ? ω n )
)
50
? 60.402 100
0.1
1
10
100
1 . 10
3
1 . 10
4
1 . 10
5
1 . 10
6
0
0
0.1
f n
1 × 10
6
10
20
30
arg ( H ( 1j ? ω n ) )
deg
40
50
60
70
80
1 . 10
1 . 10
1 . 10
? 90 90
0.1
1
10
100
3
4
5
1 . 10
6
0.1
f n
1 × 10
6
Figure 9 - Voltage Loop Gain and Phase Plots
Rev. 2.0
7/6/2005
International Rectifier
Page 11 of 12
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