FLTR100V20 Filter Module
75 Vdc Input Maximum, 20 A Maximum
Data Sheet
March 2008
Application
(continued)
V
I
(+)
Vdc INPUT(+)
V
I
(+)
V
I
(+)
FILTER
MODULE
Vdc INPUT(-)
(-)
V
I
V
I
(-)
V
O
(-)
GND
V
I
(-)
CASE
V
O
(+)
V
O
(+)
C5
POWER MODULE
V
O
(-)
CHASSIS GROUND
C1
C2
C3
SHIELD PLANE
8-1325d
Note: C1 through C4 can be 0.01 µF to 0.1 µF. Select the voltage rating to meet input-to-output isolation requirements. C5 should be the recom-
mended value indicated in the power module data sheet.
Figure 5. Recommended Schematic When Used as the Input Filter to a High-Frequency dc-to-dc Converter
POWER
MODULE
C1
C4
FILTER
MODULE
V
I
(+)
Vdc INPUT(+)
C5
SHIELD
PLANE
V
O
(+)
Vdc INPUT(-)
(-)
V
I
CHASSIS
GROUND
CASE
V
O
(-)
C2
C3
8-1328f
Note: Vdc input(+) and Vdc input(–) planes should overlay each other, as should the V
I
(+) and V
I
(–) planes, as should the V
O
(+) and V
O
(–)
planes. Avoid routing signals or planes under the power module or the filter module. Ensure all connections are low impedance.
Figure 6. Recommended Layout When Used as the Input Filter to a High-Frequency dc-to-dc Converter
6
Lineage Power