5 sh, E 6 is, Application – GE Industrial Solutions FLTR100V20 Filter Module User Manual

Page 6

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6

Lineage Power

Data Sheet

March 2008

75 Vdc Input Maximum, 20 A Maximum

FLTR100V20 Filter Module

Application

(continued)

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

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

C1

V

I

(+)

V

I

(-)

V

O

(+)

V

O

(-)

GND

FILTER

MODULE

C5

V

I

(-)

V

I

(+)

CASE

V

O

(-)

V

O

(+)

C3

POWER MODULE

C2

SHIELD PLANE

Vdc INPUT(+)

Vdc INPUT(-)

CHASSIS GROUND

V

I

(+)

V

I

(-)

CHASSIS

GROUND

FILTER

MODULE

C5

V

I

(+)

V

I

(-)

POWER

MODULE

C2

C3

C1

C4

CASE

SHIELD

PLANE

Vdc INPUT(+)

Vdc INPUT(-)

V

O

(+)

V

O

(-)

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