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1.5WATTVY-L [VOLGEN]

Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p Small Size, Long-Life, Isolated Type DC-DC Converter; 对应于模拟Ciruits ，超低噪音8mVp -P小尺寸，长寿命，隔离型DC -DC转换器
1.5WATTVY-L
型号： 1.5WATTVY-L
厂家： VOLGEN KAGA ELECTRONICS INC.    VOLGEN KAGA ELECTRONICS INC.
描述：

Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p Small Size, Long-Life, Isolated Type DC-DC Converter
对应于模拟Ciruits ，超低噪音8mVp -P小尺寸，长寿命，隔离型DC -DC转换器

转换器
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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  
Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p  
Small Size, Long-Life, Isolated Type DC-DC Converter  
1.5 Watt VY-L Series  
<Soldering Conditions>  
<Temperature Derating>  
Soldering is to be executed under the following conditions.  
Use VY-L series within the ambient temperature in the figure below.  
1. Soldering iron  
2. Soldering dip  
340°C to 360° C, 2sec.  
230°C±5°C, 5 sec.  
Capable temp. range for startup (no guarantee)  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
<Cleaning Conditions>  
This product can not be washed whole. When and if cleaning should  
be necessary, use IPA and hand-wash only the soldered surface  
by brush cleaning.  
For further information, contact us.  
<To prevent reverse input voltage protection (ex.)>  
VY-L series will be damaged if the input voltage is connected reversed.  
lf there is a possibility of reverse connection, add a protection circuit  
as shown in the figure below.  
0
-30-20-10 0 10 20 30 40 50 60 70 80  
Ambient Temp. (℃)  
The figure below is an example using the fuse and diode.  
Figure 14  
<Input Voltage Derating>  
Input Voltage Derating  
100  
Figure 13  
90  
80  
<Over-Voltage Protection>  
70  
60  
50  
VY-L series do not have a built-in over-voltage protection.  
As shown in the block diagram, VY-L series drives the transformer by the  
switching operation of the primary TR. So this method is of very little  
possibility of over-voltage to be occurred by TR damage.  
However, to avoid damage at over-voltage mode, in advance, adding a  
circuit to intercept the supplying power circuit can be recommended.  
40  
30  
20  
10  
0
6
4.75  
5
5.25  
5.5  
5.75  
Input Voltage (V)  
Figure 15  
Kaga Electronics/Volgen DC-DC CONVERTERS  
www.volgen.com  
Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p  
Small Size, Long-Life, Isolated Type DC-DC Converter  
1.5 Watt VY-L Series  
<Precautions>  
- For this product, parallel operation is not possible.  
- Series connection is possible. When connecting in series, add diode  
to prevent reverse bias to the output of each converter.  
- This product has a built-in over-current, short protection circuit, but  
long time short circuit will cause failure, so avoid it.  
- Be sure to execute soldering to the printed circuit board within the  
noted regulation temperature.  
- It can not be used in case that it would affect lives or properties directly  
by failure of this product. Make sure to confirm us before adopting it.  
- Product can not be used under oscillation, strike or temp. conditions  
that are out of the specification. Contact for any questions.  
- No test certificate is attached to this product.  
<Guarantee>  
This product shall be guaranteed for one year. During this period, if  
there should be any failure definitely due to our designing or  
manufacturing workmanship, we will replace it with new one at our  
own expense.  
But in case that it should be modified and/ or made internal remodeling  
by buyer itself whatsoever, we connot guarantee it.  
This guarantee shall cover only 1.5Watt VY-L series.  
Kaga Electronics (USA) Inc.  
2480 N. First St., Suite #100, San Jose, CA 95131  
TEL: 408-570-0955 FAX: 408-570-0186  
E-mail: information@volgen.com  
URL: http://www.volgen.com  
*All specification are subjected to change without notice.  

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