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AH9281_11 参数 Datasheet PDF下载

AH9281_11图片预览
型号: AH9281_11
PDF下载: 下载PDF文件 查看货源
内容描述: 两相双绕组高压智能风扇电机驱动器与FG / RD [Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD]
分类和应用: 驱动器风扇电机高压
文件页数/大小: 16 页 / 470 K
品牌: BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
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Data Sheet  
Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD AH9281/82  
Typical Application (Continued)  
Coil 1  
Coil 2  
ZD1 35V  
ZD2 35V  
5
4
DOB  
DO  
AH9281/2  
VCC  
FG/RD  
GND  
1
2
3
GND  
R1  
47  
RPU  
4.7k  
VCC=5V or 12V  
D1  
FG/RD  
C1  
2.2 F  
Figure 18. Typical Application 4 of AH9281/82 (SOT-89-5, Note 5)  
Note 5:  
1. D1 is an ordinary diode used to filter the noise from VCC and protect IC if VCC and GND are plugged  
reversed.  
2. R1=47typical.  
3. C1=2.2µF typical, electrolytic capacitors are better. They should be fine tuned based on system design.  
4. ZD1 and ZD2 breakdown voltage are 35V.  
5. RPU=4.7ktypical.  
.
Oct. 2011 Rev. 1. 4  
BCD Semiconductor Manufacturing Limited  
13