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参数资料
| 型号： | PKB4913PIPNBLA |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 90 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, PACKAGE-8 |
| 文件页数： | 31/42页 |
| 文件大小： | 2514K |
| 代理商： | PKB4913PIPNBLA |
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EMC Specification
The conducted EMI measurement was performed using a module
placed directly on the test bench .
The fundamental switching frequency is 195 kHz for
PKB 4711 PINB @ VI = 53V, IO = (0 .1 . . .1 .0) x IOmax .
External filter (class B)
Required external input filter in order to meet class B in
EN 55022, CISPR 22 and FCC part 15J .
Test set-up.
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
Layout Recommendation
The radiated EMI performance of the DC/DC converter will be opti-
mised 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 sus-
ceptibility. It is also important to consider the stand-off of the PKB
4000 series DC/DC converter. 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 con-
verter 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 isolation 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 .
Conducted EMI Input terminal value (typ)
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
Output ripple and noise test setup
Output ripple and noise
The circuit below has been used for the ripple and noise measure-
ments on the PKB 4000 Series DC/DC converters .
EMI without filter
EMI with filter
EN/LZT 146 033 R9A Ericsson Power Modules, March 2007
PKB 4000 Datasheet
37
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PKB4913SINB | 功能描述:DC/DC转换器 90W 12V 7.5A 36-75Vin SMT RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PKB4918HCPI | 功能描述:DC/DC转换器 1.5Vdc 60A Isolated Input 36-75V 90W RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PKB4918LCPI | 功能描述:DC/DC转换器 1.2Vdc 50A Isolated Input 36-75V 60W RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PKB5713PINB | 制造商:Ericsson 功能描述:PKB 1/8TH-BRICK SERIES ISOLATED, THRU-HOLE, CONVERTER - Trays |
| PKB-632 | 制造商:STANDARD INSERTS 功能描述: |
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