参数资料
型号: 20MX15-12-12-8RIZ
厂商: POWER-ONE INC
元件分类: 电源模块
英文描述: 2-OUTPUT 15.6 W DC-DC REG PWR SUPPLY MODULE
文件页数: 6/20页
文件大小: 319K
代理商: 20MX15-12-12-8RIZ
Board Mountable
DC-DC Converters
IMX/IMY 15 Series
Edition 7/5.2000
14/20
CISPR 22/EN 55022, Level B Radiated
Electromagnetic
emission
requirements
according
to
EN 55022, class B (radiated emmission) can be achieved
by adding an external common mode choke and (for
20 IMX 15 types) an additional capacitor, see:
Input Data.
The filter components should be placed as close as possi-
ble to the input of the converter.
Fig. 26
Choke dimensions
Vi+
Vi–
L
V+
V–
Module
07114
Fig. 25
Example for external circuitry to comply with CISPR22/EN
55022, level B, radiated
15
8.5
15
07110
Table 11: Input filter components for EN 55022, level B,
radiated.
Type
Current compensated choke
20 IMX 15
1 mH, 2A
40 IMX 15
e.g. Tokin, type SC-02-10GS
110 IMY 15
Fig. 23
Typical disturbance voltage (quasi-peak) at the input ac-
cording to CISPR 11/EN 55011 and CISPR 22/EN 55022,
measured at Ui nom and Io nom. Output leads 0.1 m, twisted.
(40 IMX 15-05-7R)
Electromagnetic Emission
07020
EN 55022 A
EN 55022 B
90
80
70
60
50
40
30
20
10
0
.01
0
.05
0.1
0.5
1
2
5
10
20
30
[dB
V]
MHz
0
.02
50
40
30
20
10
0
30
50
100
200
500
1000
[dB
V/m]
[MHz]
A
B
07108
Fig. 24
Typical radio frequency-interference voltage at Ui nom,
Io nom, measured with an antenna (distance 10 m).
Output leads 1 m, twisted.
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