VE-BAMD 데이터 시트보기 (PDF) - Vicor
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VE-BAMD Datasheet PDF : 10 Pages
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PIN FUNCTION / DESCRIPTION (CONT.)
Line Filter for High Boost HAM
A line filter is required to provide attenuation of conducted
emissions generated by the HAM module and to protect it from
line transients. It also presents a well defined high frequency AC
line impedance to the input of the HAM. To meet the listed
specifications, Vicor’s P/N 30205 line filter/transient suppressor
or equivalent must be used, see Figure 10. The addition of a
MOV external to this filter is required to meet normal mode
transient surge requirements.
MOV*
P/N 30076
LD
R
Cx
LC
Cy
D1
D2
Cy D3
HAM Filter P/N 30205
Cx = 1.5 uF(x2)SH Cy = 0.01 uF, Y2 type LC = 6.9 mH LD = 0.72 mH
R = 235 KΩ D1,2 = 1.5KE130CA D3 = 1.5KE150CA
*MOV required external to filter to meet normal mode transient surge requirements
Figure 10 — Required HAM filter, Vicor part # 30205
For applications using HAMD + BAMD or where the user
desires to construct a custom HAM filter, the filter should be
designed following Figure 10, the schematic of Vicor’s P/N
30205 filter. The current carrying capability of the inductors must
be scaled proportionally to the number of HAM modules used.
Inductance values must be selected according to Table 1. These
limits are to ensure proper operation of the HAM and do not
guarantee a system will meet conducted emissions specifications.
Parameter
Min
Typ
Max
Unit
Differential Mode
0.2
0.35
0.75
mH
Inductance (LD)
Common Mode
Inductance (LC)
3
6
mH
Table 1 — HAM filter inductance range
For applications requiring magnetic field shielding, do not place
a ferrous EMI shield over the plastic cover of the HAM module.
This can cause thermal problems due to induction heating effects.
4-40 INSERT
0.25 DP 4 PL
4.60 ±0.02
2.50
1.200
ø0.080 PIN
6 PLACES
0.060
2.40±0.02 2.00
0.100
0.500
1.45
±0.02
0.500
2.800
1.800
0.900
0.30 ±0.02
FACE MAY BE
BOWED 0.04 MAX
0.13 ±0.02
1.00
MAX
Figure 11 — HAM filter #30205 mechanical diagram
RATED CURRENT VS AMBIENT TEMPERATURE
90
80
70
60
50
40
1.0 2.0 3.0 4.0 5.0 6.0 7.0
CURRENT (AMPS)
Figure 12 — HAM filter #30205 current rating vs. temperature
90
80
70
DM
60
50
40
30
CM
20
10
0
0.01 0.04 0.1 0.4 1
4 10
0.02 0.07 0.2 0.7 2
7 20
FREQUENCY (MEGAHERTZ)
40 100
70
Figure 13 — HAM filter #30205 insertion loss vs. frequency
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 HAM, High-Boost Harmonic Attenuation Module
Set your site on VICOR at vicorpower.com
Rev. 2.5
Page 8 of 10
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