PRELIMINARY
Conducted Noise
Figure 1—FIAM
and Model V48A12C500A DC-DC converter.
Figure 2—FIAM
and Model V48B24C250A DC-DC converter.
Inrush Limiting
Transient Immunity
Tek
Stop:
Single Seq. 5.00MS/s
[
T
Ch1 Zoom:
]
Tek Run: 10.0MS/s
1.0X Vert 0.005X Horz
@ 200.0V
INPUT CURRENT
INPUT VOLTAGE
Ch1=Vdc in
Ch2=Vdc out
Ch3=Idc in
@0.2A/mV
©
INPUT TRANSIENT
Ch1=Input
Ch2=Output
4
©
©
OUTPUT VOLTAGE
2
©
2
©
Ch1
10.0 V
Ch2
Ch4
10.0 V
M2.00ms
10.0mVΩ
Ch1
31.8 V
OUTPUT VOLTAGE
48V offset
Ch1
25.0V
Ch2
25.0V
M5.00µs Ch4
8.2A
Figure 3—Inrush
Limiting:
Inrush current with 330µF
external capacitance.
Figure 4—Transient
Immunity:
FIAM output response to an
input transient.
Transient and Surge Protection
Note:
The FIAM is shown in the on state. To disable,
open the connection between ON/OFF and –Out.
–IN
–IN
EMI
GND
–OUT
ON
OFF
–IN
PR
–OUT
TRANSORB P/N
20461-120
+IN
FIAM
NC
+IN
NC
NC
+OUT
PC
+IN
2nd Generation
48Vdc Input
DC-DC Converters
–S
SC
+S
+OUT
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FIAM, Filter Input Attenuator Module
Rev. 1.1
Page 2 of 4
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VICOR [ VICOR CORPORATION ]
