Datasheet > 1.5WATTVY-L

1.5WATTVY-L

更新时间： 2022-05-17 00:21:39

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

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

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

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

12 3

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