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参数资料
| 型号： | PMB8310PN |
| 厂商： | ERICSSON POWER MODULES AB |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 33 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, PACKAGE-10 |
| 文件页数： | 21/32页 |
| 文件大小： | 1554K |
| 代理商： | PMB8310PN |
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EN/LZT146065R2A EricssonPowerModules,April2007
PMB8518TPDatasheet
Vout(V)
Radj(kohm)
Vtrim(V)
0.75
Open
1.0
41.42
0.684
1.2
22.46
0.670
1.5
13.05
0.650
1.8
9.024
0.630
2.5
5.009
0.583
3.3
3.122
0.530
5.00
1.472
0.417
5.50
1.212
0.383
Circuitconfigurationforoutputvoltageadjust
Increase
+Out
GND
Vadj
Load
Radj
Sense
Operating Information
Remote Control (RC)
Standard Version with "positive logic".
RC
Regulator
condition
min
typ
max
Unit
Lowlevel
referencedtoGND
OFF
-0.3
0.3
V
Open
ON
1.7
16
V
TheRCpinmaybeusedtoturnonorturnofftheregulator
usingasuitableopencollectorfunction.
TurnoffisachievedbyconnectingtheRCpintoground.
TheregulatorwillruninnormaloperationwhentheRCpinis
leftopen.
RC
+IN
Module
+IN
GND
Input Voltage
Theinputvoltagerange8.3…16VdcmakesthePMB8000
easytouseinintermediatebusapplicationswhenpow-
eredbyanon-regulatedbusconverteroraregulatedbus
converter.Foroutputvoltagetrimsover5.25Vouttheinput
voltagemustbereducedtoamaximumof14Vinorderto
maintainspecifieddata.
RC
Regulator
condition
min
typ
max
Unit
Highlevel
referencedtoGND
OFF
1.7
16
V
Open
ON
TheRCpinmaybeusedtoturnonorturnofftheregulator
usingasuitableopencollectorfunction.
TurnoffisachievedbyconnectingtheRCpintotheinput
voltage.Theregulatorwillruninnormaloperationwhenthe
RCpinisleftopen.
RC
Vi
Module
Vi
GND
Option "negative logic"
Output Voltage Adjust (Vadj)
AllPMB8000SeriesDC/DCregulatorshaveanOutput
Voltageadjustpin(Vadj).Thispincanbeusedtoadjustthe
outputvoltageaboveoutputvoltageinitialsetting(0.75V).
Whenincreasingtheoutputvoltagethemaximumpower
ratingoftheconverterremainsthesame,andtheoutput
currentcapabilitywillthereforedecreasecorrespondingly.
Toincreasetheoutputvoltagearesistororavoltagesignal
shouldbeconnected/appliedbetweenVadjpinandGND,
pin5.Theresistor/voltagesignalvalueforsomestandard
outputtrimsaregivenbelow,forothervoltagesetpoints
usetheformulastocalculatethecorrectresistororvoltage
signal.Foroutputvoltagesof5.25Vandhighertheinput
voltageisrestrictedtomaximum14Vin.
Formula1:Radj=(10500/(Vout–0.7525))–1000(ohm)
Formula2:Vtrim=(0.7–0.0667x(Vout–0.7525))(V)
Turn off input voltage
ThePMB8000SeriesDC/DCregulatorsmonitortheinput
voltageandwillturnonandturnoffatpredeterminedlevels.
Theminimumhysteresisbetweenturnonandturnoffinput
voltageis0.2Vwheretheturnoninputvoltageisthehigh-
est.
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