FLTR100V10-62Z Lineage Power, FLTR100V10-62Z Datasheet - Page 8
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FLTR100V10-62Z
Manufacturer Part Number
FLTR100V10-62Z
Description
Power Line Filters 75Vin 10A 0.18in pin
Manufacturer
Lineage Power
Datasheet
1.FLTR100V10Z.pdf
(13 pages)
Specifications of FLTR100V10-62Z
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
CC109103801
March 2008
Application
Figures 9 and 10 show some experimental results
obtained by using the filter module, together with the
recommended external components shown in Figures
6 and 7. The JW075A5 module is a lower-noise version
of the standard JW series with internal modifications to
the power module. The lower noise of the JW075A5
module is achieved at the cost of lower efficiency, and
a reduced maximum power rating. Measured noise is
highly dependent on layout, grounding, cable orienta-
tion, and load characteristics and will, therefore, vary
from application to application.
Thermal Considerations
Filter modules operate in a variety of thermal environ-
ments; however, sufficient cooling should be provided
to help ensure reliable operation. Considerations
include ambient temperature, airflow, module power
dissipation, and the need for increased reliability. A
reduction in the operating temperature of the module
will result in an increase in reliability.
The thermal data presented in the data sheet is based
on physical measurements taken in a wind tunnel. The
thermal reference point used for thermal derating
curves presented in Figure 1 is the case of the module.
For reliable operation this temperature should not
exceed 100
Other Considerations
It is essential for good EMI performance that the input
lines not be contaminated with noise after passing
through the filter. Filtered input traces should therefore
be kept away from noise sources such as power mod-
ules and switching logic lines. If input voltage sense
traces must be routed past the power modules from the
quiet side of the filter module, they should be filtered at
the point where they leave the quiet input lines. Input
traces should be kept as far away from output power
traces as possible.
8
o
C.
(continued)
The fundamental switching frequency noise spike can
be somewhat reduced by adding a high-frequency
capacitor of a few microfarads across the input lines of
the filter module.
Adding additional components to the input filter to
improve performance usually has very limited payback,
and may actually increase the noise conducted onto
the input lines. Adding Y caps to the input side of the fil-
ter module couples any noise in the ground plane
directly into the input lines, usually degrading perfor-
mance. Adding additional X and Y caps to the power
module side of the filter module produces low-
impedance loops for high-frequency currents to flow,
possibly degrading performance.
Adding additional common-mode or differential-mode
filtering to the power module output leads decreases
the power module output noise, and also frequently
reduces the input noise by decreasing the noise cou-
pled from output leads to input leads. Common-mode
output filtering is particularly important if the load is tied
to chassis ground. If common-mode filtering is added
to the power module output, ensure that remote-sense
leads sense the output voltage before the common-
mode filter. Do not use remote-sense on the load side
of an output common-mode filter.
If input noise performance is unsatisfactory after apply-
ing the filter module as described previously, the best
remedy is to modify the layout and grounding scheme.
It is often useful to make a model of the power card,
using copper tape and a vector card, to experiment
with various layout and grounding approaches prior to
committing to a printed-wiring board.
75 Vdc Input Maximum, 10 A Maximum
Lineage Power