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參數(shù)資料
| 型號： | M-FIAM5BH13 |
| 廠商： | Vicor Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Military COTS28 Vin Filter Input Attenuator Module |
| 中文描述： | 軍事COTS28輸入電壓濾波器輸入衰減模塊 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 188K |
| 代理商： | M-FIAM5BH13 |
Set your site on VICOR at www.vicorpower.com
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
MFIAM5
Rev. 1.7
Page 4 of 5
+
–
+
–
R1
2.0k
R2
2.0k
D1
C1
4.7uf, 63v
R3
64.9k
64.9k
R5
10K
R6
10K
R7
1.0k
24.3k
R9
14.0k
R10
1.0K
C2
.1ufd
Cbulk
880 Uf d
Input
+28v
rtn
15v, 1N5245B
U1A
LM258N
615001
Vicor FIAM & Mods
Vc
Q1
IRFP3710
ND PN
U1B
LM258N
U2
LM4040CIZ-5.0
1
2
3
4
8
5
6
7
8
4
4
1
2
3
2
3
+28V
C1
C2
C3
D1
Q1
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
U1
U2
4.7uF, 63V
0.1uF
880uF, 100V
1N5245B
IRFP3710ND
2.0K
2.0K
64.5K
64.5K
10K
10K
1K
24.3K
14K
1K
LM258N
LM4040CIZ-5.0
Transient Surpressor Circuit
Vout
Volts
50
27
28
32
12.5 Millisec Max
Vin
Vout
MIL-STD-704E Transient /Overvoltage Protection
The standard (COTS) 24V input 2nd Generation Converter Modules may be used in Military 28 volt applications. The
M-FIAM5 provides compliance to MIL-STD-461E conducted emissions and susceptibility standards. Additional circuitry,
as illustrated in the accompanying schematic (see Fig. 1), provides compliance to the MIL-STD-704E transient
overvoltage specification. The 24V input modules employ undervoltage and overvoltage protection. These converters,
shut down if the input falls below 18V or rises to 36V or above.18V is consistent with the MIL-STD-704E specification,
but the standard also requires uninterrupted performance in the event of an input voltage transient to 50V for a period
of 12.5 millisec. The above referenced circuit clamps the input voltage, in the event that it exceeds 32V, as illustrated in
figure 2. This performance prevents the converter from shutting down, thus meeting the transient overvoltage
specification of MIL- STD-704E.
Figure 1–
Transient / Overvoltage protection circuit.
Figure 2–
Overvoltage clamping
Addendum A
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