Datasheet > 30D-12D12NNL

30D-12D12NNL

更新时间： 2022-02-26 10:11:20

品牌	Logo	应用领域
元册 - YUANDEAN		/
页数	文件大小	规格书
3页	356K
描述
DC-DC Converter

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30D-12D12NNL 数据手册

YUAN DEAN SCIENTIFIC CO.,LTD

30D SERIES

Application Note

+Vo

Vin

DC DC

GND

Filtering

-Vo

In some circuits which are sensitive to noise and ripple, a filtering capacitor

may be added to the DC/DC output end and input end to reduce the noise and

ripple. However, the capacitance of the output filter capacitor must proper. If

the capacitance is too big, a startup problem might arise. For every channel of

output, providing the safe and reliable operation is ensured, the greatest

capacitance of its filter capacitor refer to the external capacitor table. To get an

extreme low ripple, an "LC" filtering network may be connected to the input and

output ends of the DC/DC converter, which may produce a more significant

filtering effect. It should also be noted that the inductance and the frequency of

the "LC" filtering network should be staggered with the DC/DC frequency to

avoid mutual interference (see figure 1).

External Capacitor Table

External

capacitor

Vin

Vout

capacitor

5VDC

9VDC

4.7uF/25V

5VDC

9VDC

4.7uF/25V

2.2uF/25V

1uF/25V

12VDC 2.2uF/25V 12VDC

15VDC 2.2uF/25V 15VDC 0.47uF/50V

24VDC

1uF/50V

24VDC 0.47uF/50V

Markings and dimensions

PIN#12

10 11

0.25±0.05

0.5±0.05

27.94

2.54

2.00

4.00

9.00

32.20

Unit：mm Unless otherwise specified, all tolerances are ±0.25

PIN Connection

Single

Dual

+Vin

-Vout

COM

+Vout

-Vin

-Vout

COM

Rev:2 2018/10/08

1 23

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