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1.5WATTVY-L PDF预览

1.5WATTVY-L

更新时间： 2024-11-09 12:50:51
品牌 Logo 应用领域
VOLGEN 转换器
页数 文件大小 规格书
3页 338K
描述
Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p Small Size, Long-Life, Isolated Type DC-DC Converter

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1.5WATTVY-L 数据手册

 浏览型号1.5WATTVY-L的Datasheet PDF文件第2页浏览型号1.5WATTVY-L的Datasheet PDF文件第3页 
Application Notes  
Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p  
Small Size, Long-Life, Isolated Type DC-DC Converter  
1.5 Watt VY-L Series  
Usually for VY-L series, output capacitors are not required. However, in order to  
obtain lower noise level by taking advantage of the performance of the converte  
<EMI Evaluation Test>  
<Method to decrease the noise level>  
VY-L series is most suitable for analog and digital circuit which has  
achieved ultra low noise.  
The test data below is an EMI test data which proves that it passed the make sure to design the printed board with special attention to the following item  
FCC Class B (3m) standards  
RADIATED EMISSION FCC Class B <3m>  
The input/ output noise can be lowered.  
1. Use low impedance capacitor with good high frequency characteristic.  
2. Shorten the lead of each capacitor as much as possible, and make it low lead  
inductance.  
3. Make the wiring loop space between the (+) and (-) of both input and output p  
side as small as possible. The possibilities of leakage inductance can be  
decreased.  
4. Design the print pattern of the main circuit as thick and short as possible.  
5. The pin side of VY-L series do not have a metallic shield, so if the pin side of  
printed circuit board is ground plane, the radiation noise will be shut off and  
noise can be lowered.  
Model Name  
Serial No.  
Power Supply  
Load  
DET. Mode  
Limits  
Band Number  
Antenna Mode  
Test Equip.  
VY05-12W06L  
ES1  
+5V  
±12V 65mA  
Peak  
30MHz - 1000KHz  
3 Meas Mode : D  
Horizontal  
TR4172, TR14307  
Figure 9  
Lowering the noise level of VY-SL series  
C1=33µF C2=4.7µF C3=0.47µF (Electrolytic or multilayer ceramic)  
Figure 7  
Model Name  
Serial No.  
Power Supply  
Load  
DET. Mode  
Limits  
Band Number  
Antenna Mode  
Test Equip.  
VY05-12W06L  
ES1  
+5V  
±12V 65mA  
Peak  
30MHz- 1000KHz  
3 Meas Mode : D  
Vertical  
Figure 10  
Lowering the noise level of VY-WL series  
C1=33µF C2, C3=4.7µF C4, C5=0.47µF (Electrolytic or multilayer ceramic)  
TR4172, TR14307  
Figure 11  
Output noise of VY-05-12W06L (measured by figure 11 circuit)  
+12V65mA  
3.8mVp-p  
10mV/div  
100%  
2µs/div  
Figure  
* The above test has been performed at the following site.  
Testing institution: Shindengen Electric Manufacturing Co., Ltd. EMI Laboratory  
Field intensity measuring set: R-205  
-12V65mA  
4.2mVp-p  
0%  
Power supply terminal interfering voltage measuring set: C-205  
10mV/div  
10mV  
Figure 12  
2μs  
2µs/div  
Kaga Electronics/Volgen DC-DC CONVERTERS  
www.volgen.com  
123

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