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参数资料
| 型号： | FLTR100V206Z |
| 厂商： | LINEAGE POWER LLC |
| 元件分类： | 电源滤波器 |
| 英文描述： | 75 V, SINGLE PHASE EMI FILTER |
| 封装： | ROHS COMPLIANT PACKAGE-8 |
| 文件页数： | 8/12页 |
| 文件大小： | 434K |
| 代理商： | FLTR100V206Z |
Data Sheet
March 2008
Lineage Power
5
75 Vdc Input Maximum, 20 A Maximum
FLTR100V20 Filter Module
Internal Schematics
8-1324a
Figure 4. Internal Schematic
GND
V I(+)
V O
V I(-)
V O
(+)
(+
(-
Application
Conducted noise on the input power lines can occur as
either differential-mode or common-mode noise cur-
rents. Differential-mode noise is measured between the
two input lines, and is found mostly at the low-
frequency end of the spectrum. This noise shows up as
noise at the fundamental switching frequency and its
harmonics. Common-mode noise is measured
between the input lines and ground and is mostly
broadband noise above 10 MHz. The high-frequency
nature of common-mode noise is mostly due to the
high-speed switching transitions of power train compo-
nents. Either or both types of noise may be covered in
a specification, as well as a combination of the two. An
approved measurement technique is often described,
as well.
Differential-mode noise is best attenuated using a filter
composed of line-to-line capacitors (X caps) and series
inductance, provided by either a discrete inductor or
the leakage inductance of a common-mode choke. In
addition to the differential filtering provided by the filter
module, it is recommended that an electrolytic capaci-
tor be located at the converter side of the filter to pro-
vide additional attenuation of low-frequency differential
noise and to provide a low source impedance for the
converter. This prevents input filter oscillations and
load-transient induced input voltage dips.
Common-mode noise is best attenuated by capacitors
from power module input to power module output,
capacitors from each input line to a shield plane
(Y caps), and common-mode chokes. It is recom-
mended that ceramic capacitors be added around each
power module from each input and output pin to a
shield plane under the module. The shield plane should
be connected to the CASE pin.
The GND pin of the filter module is attached to Y caps
within the module. This pin should be tied to a quiet
chassis ground point away from the power modules.
GND of the filter module should not be tied to the
CASE pin of the power module since this is a noisy
node and will inject noise into the filter, increasing the
input common-mode noise.
If no quiet grounding point is available, it is best to
leave the filter module GND pin unattached. Each
power system design will be different, and some exper-
imentation may be necessary to arrive at the best con-
figuration.
Figure 5 shows a typical schematic of a power module
with a filter module and recommended external compo-
nents. Figure 6 is a proposed layout. More than one
power module may be attached to a single filter module
as long as input current does not exceed 20 A. Figure 7
shows the recommended schematic for two power
modules attached to a single filter.
In applications where the addition of input-to-output
capacitors is undesirable, do not use C3 and C4 shown
shown in Figure 7.
In –48 V applications where the shield plane and the
power module case must be tied to a signal, remove
and connect the shield plane and CASE pin to the VI(+)
plane.
In +48 V applications where the shield plane and the
power module case must be tied to a signal, remove
and connect the shield plane and CASE pin to the VI(–)
plane.
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相关代理商/技术参数 |
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|---|---|
| FLTR100V20Z | 功能描述:电源线滤波器 75Vdc 20A Through Hole RoHS:否 制造商:EPCOS 电压额定值:277 VAC 电流额定值:100 A 安装风格:Chassis 端接类型:Screw |
| FLTR100V610 | 制造商:LINEAGEPOWER 制造商全称:LINEAGEPOWER 功能描述:75 Vdc Input Maximum, 10 A Maximum |
| FLTR100V610Z | 功能描述:电源线滤波器 75Vdc 10A 0.145in pin RoHS:否 制造商:EPCOS 电压额定值:277 VAC 电流额定值:100 A 安装风格:Chassis 端接类型:Screw |
| FLTR100V810 | 制造商:LINEAGEPOWER 制造商全称:LINEAGEPOWER 功能描述:75 Vdc Input Maximum, 10 A Maximum |
| FLTR100V810Z | 功能描述:电源线滤波器 75Vdc 10A 0.11in pin RoHS:否 制造商:EPCOS 电压额定值:277 VAC 电流额定值:100 A 安装风格:Chassis 端接类型:Screw |
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