参数资料
型号: PMB8811P
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT PACKAGE-10
文件页数: 20/32页
文件大小: 1551K
代理商: PMB8811P
EN/LZT146066R2A EricssonPowerModules,April2007
PMB8818TPDatasheet
EMC Specification
TheconductedEMImeasurementwasperformedusinga
regulatorplaceddirectlyonthetestbench.Thefundamental
switchingfrequencyforPMB8000is300kHz.Themeasure-
mentbelowhasbeenperformedwithVin=12V,Vout=5V
andmaxload.Inputfilter4x4.7
mFandoutputfilter2x150
mFwasusedduringthemeasurement.
Layout Recommendation
-10
0
20
40
60
80
100
Level [dBA]
150k 300k
500k
1M
2M
3M
5M 7M 10M
30M
Frequency [Hz]
MES EPM_PMB16A_1_pre PK
PMB 8818.
Conducted EMIInputterminalvalue(typ)
Output ripple and noise test setup
Output ripple and noise
Thecircuitbelowhasbeenusedfortherippleandnoise
measurementsonthePMB8000SeriesDC/DCregulators.
TheradiatedEMIperformanceoftheDC/DCregulatorwill
beoptimisedbyincludingagroundplaneinthePCBarea
undertheDC/DCregulator.Thisapproachwillreturnswitch-
ingnoisetogroundasdirectlyaspossible,withimprove-
mentstobothemissionsandsusceptibility.
Test set up.
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