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参数资料
| 型号： | PKB4619PIPNBP |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 62.5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 58 X 19.94 MM, 7.62 MM HEIGHT, LOW PROFILE, EIGHTH BRIK PACKAGE-8 |
| 文件页数： | 10/12页 |
| 文件大小： | 233K |
| 代理商： | PKB4619PIPNBP |
7
PKB 4000
EN/LZT 146 033 R1A Ericsson Power Modules, October 2003
EMC Specication
The conducted EMI measurement was performed using a
module placed directly on the test bench.
The fundamental switching frequency is 330kHz..
External lter (class B)
Required external input lter in order to meet class B in
EN 55022, CISPR 22 and FCC part 15J.
The capacitors are ceramic type. Low ESR is critical for
achieveing these results.
Test set-up.
C1
C2
C3
C4
C1: 2x1F/100V ceramic
C2: 4x1F/100V ceramic
C3: 100F/100V electrolytic
C4: 2x2700pF/2000V ceramic
C5: 2700pF/2000V ceramic
L1: Common mode inductor
1.5 mH, each winding consists of 13 turns
of AWG # 21 wire on the T18-10-10E HS72 core from TDK.
L1
+
IN
-
+
OUT
-
C5
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
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.
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| PKB4711PINB | 功能描述:DC/DC转换器 5Vdc 15A Isolated Input 36-75V 75W 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: |
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| PKB4711PINBMLA | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 5V 15A 75W - Bulk |
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