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參數(shù)資料
| 型號： | ALD20K48-S |
| 英文描述： | Single Output 16th Brick: 60Watts |
| 中文描述： | 單輸出16日磚：60Watts |
| 文件頁數(shù)： | 17/20頁 |
| 文件大小： | 605K |
| 代理商： | ALD20K48-S |
Technical Reference Notes
ALD12/18/20/25 Series
(Single Output 16
th
Brick)
MODEL: ALD12/18/20/25 SERIES
AUGUST 17, 2005 – REVISION C
SHEET 17 OF 20
Input Filter for FCC Class B Conducted Noise
A reference design for an input filter that can provide FCC Class B conducted noise levels is shown below (See Figure 42). Two
common mode connected inductors are used in the circuit along with balanced bypass capacitors to shunt common mode currents
into the ground plane. Shunting noise current back to the converter reduces the amount of energy reaching the input LISN for
measurement.
The application circuit shown has an earth ground (frame ground) connected to the converter output (-) terminal. Such a
configuration is common practice to accommodate safety agency requirements. Grounding an output terminal results in much
higher conducted emissions as measured at the input LISN because a hard path for common mode current back to the LISN is
created by the frame ground. “Floating” loads generally result in much lower measured emissions. The electrical equivalent of a
floating load, for EMI measurement purposes, can be created by grounding the converter output (load) through a suitably sized
inductor(s) while maintaining the necessary safety bonding.
Figure 42: Class B Filter Circuit
PARTS LIST
CKT CODE
DESCRIPTION
CTX01-15091
Cooper Electronic
Technologies
0.47 μF X 4pcs
22 nF X 4 pcs
33 uF
Common
Mode Choke
X-Cap
Y-Cap
Cin
FILTER
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ALD20M48- | Single Output 16th Brick: 60Watts |
| ALD20M48-6 | Single Output 16th Brick: 60Watts |
| ALD20M48-6S | Single Output 16th Brick: 60Watts |
| ALD20M48N- | Single Output 16th Brick: 60Watts |
| ALD20M48N-6 | Single Output 16th Brick: 60Watts |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ALD20M48- | 制造商:ASTEC 制造商全稱:Astec America, Inc 功能描述:Single Output 16th Brick: 60Watts |
| ALD20M48-6 | 制造商:ASTEC 制造商全稱:Astec America, Inc 功能描述:Single Output 16th Brick: 60Watts |
| ALD20M48-6S | 制造商:ASTEC 制造商全稱:Astec America, Inc 功能描述:Single Output 16th Brick: 60Watts |
| ALD20M48N- | 制造商:ASTEC 制造商全稱:Astec America, Inc 功能描述:Single Output 16th Brick: 60Watts |
| ALD20M48N-6 | 制造商:ASTEC 制造商全稱:Astec America, Inc 功能描述:Single Output 16th Brick: 60Watts |
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