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參數(shù)資料
| 型號(hào)： | PKJ4719EIP |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 75.5 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, PACKAGE-8 |
| 文件頁數(shù)： | 21/33頁 |
| 文件大?。?/td> | 2116K |
| 代理商： | PKJ4719EIP |
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PKJ4000EPIEN/LZT146025R7AEricssonPowerModules,March2007
EMC Specification
TheconductedEMImeasurementwasperformedusinga
moduleplaceddirectlyonthetestbench.
Thefundamentalswitchingfrequencyis140kHzforPKJ
4810EPI@VI=53V,IO=(0.1...1.0)×IOmax.
External filter(classB)
RequiredexternalinputfilterinordertomeetclassBin
EN55022,CISPR22andFCCpart15J.
Thecapacitorsareceramictype.LowESRiscriticalfor
achieveingtheseresults.
Test set-up.
PKJ 4810E PI with filter.
DC
Power
Source
+
-
5H 50
5H 50
LISN
in
out
rcvr
50 ohm input
1 m Twisted Pair
50 ohm temination
Optional Connection
to Earth Ground
Filter
(if used)
Power Module
Resistive
Load
Printed Circuit Board
EMC
Reciver
Computer
Conducted EMI Inputterminalvalue(typ)
PKJ 4810E PI without filter.
C1,2,6: 0.68uF
C3,7: 47uF
C4,5: 3.9nF
L1: Common mode inductor
on 768 uH (Pulse PO 422)
L2: DC choke: 15uH
C1
C2
C3
C6
C7
C5
C4
Layout Recommendation
The radiated EMI performance of the DC/DC converter will be
optimised by including a ground plane in the PCB area under
the DC/DC converter. This approach will return switching
noise to ground as directly as possible, with improvements to
both emissions and susceptibility. If one ground trace is used,
it should be connected to the input return. Alternatively, two
ground traces may be used, with the trace under the input side
of the DC/DC converter connected to the input return and the
trace under the output side of the DC/DC converter connected
to the output return. Make sure to use appropriate safety isola-
tion spacing between these two return traces. The use of two
traces as described will provide the capability of routing the
input noise and output noise back to their respective returns.
BNC
Connector
to Scope
Ceramic
Capacitor
+Vout
+Sense
Trim
-Sense
-Vout
Load
Tantalum
Capacitor
* Conductor from Vout to capacitors = 50mm [1.97in]
+
0.1uF
10uF
Outputrippleandnoisetestsetup
Output ripple and noise
The circuit below has been used for the ripple and noise meas-
urements on the PKJ 4000E Series DC/DC converters.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PKJ4719EPI | 功能描述:DC/DC轉(zhuǎn)換器 2.5 Vdc 30A Iso Input 48V 75W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PKJ4719PI | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 2.5V 30A 75W - Bulk |
| PKJ4719PIT | 功能描述:DC/DC轉(zhuǎn)換器 2.5 Vdc 30A Iso Input 36-75V 75W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PKJ4810EPI | 功能描述:DC/DC轉(zhuǎn)換器 3.3 Vdc 25A Iso Input 48V 82.5W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PKJ4910PI | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 3.3V 30A 100W 9PIN - Bulk |
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