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LB05-10B24 参数 Datasheet PDF下载

LB05-10B24图片预览
型号: LB05-10B24
PDF下载: 下载PDF文件 查看货源
内容描述: AC-DC转换 [AC-DC CONVERTER]
分类和应用:
文件页数/大小: 10 页 / 219 K
品牌: MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
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For multi-output converters, the main output is typically a fully regulated output. If the end  
application requires critical regulation on the auxiliary output(s), a linear regulator or other  
regular should be added after the converter. (Note: Some MORNSUN converters have built in  
linear regulators; please contact our Technical Department for details).  
3. AC-DC Converter Safety Related Design Notes  
3.1 Marking Requirements  
Wherever, there are fuses, protective grounds, or switches, clear symbols should be indicated  
according safety standards. Touchable dangerous high voltage and energy sources should be  
marked with Caution!indications.  
3.2 Input Cable Requirements:  
Input cables of L, N and E should be brown, blue and yellow/green cables, respectively.  
Ensure that the ground cable (yellow & green cable) of Type I devices (those that rely on  
basic insulation and protection ground to avoid electric shock) are securely connected to the  
ground, and the earth resistance is lower than 0.1Ω  
3.3 Clearance and Creepage  
For Type I devices, ensure:  
¨
¨
L and N are in front of the fuse.  
The clearance distance between the input and the metal case is above 2mm and  
creepage is above 2.5mm.  
For Type II devices (those that rely on strengthened insulation or double insulation to avoid  
electric shock) ensure:  
¨
¨
L and N are in front of the fuse  
The clearance distance between the input and the metal case is above 2mm and  
creepage is above 2.5mm.  
¨
The clearance between the input and the metal case or SELV is above 4mm, and  
creepage of that is above 5mm.  
3.4 Input energy  
If the input capacitor is large, a discharge resistor may be added to ensure that, after  
disconnect, the voltage held between Input L, N, and the protective ground will be discharged to  
37% of its maximum value or below. In Figure 2, R1 is the discharge resistor.  
4. Heat Dissipation in AC/DC Converter Module Applications  
Trends toward higher density in AC/DC module designs make heat dissipation an important  
concern. The effect of heat on the electrolytic capacitor is of particular concern, as the life of  
such capacitors can be drastically reduced when operated in a constant high temperature  
environment, leading to a higher potential for failure. Proper handling of heat will increase the  
life of the converter and surrounding components, thus lowering risk of failures. Some