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參數(shù)資料
| 型號： | PQ60025ETL35NYS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, EIGHTH-BRICK PACKAGE-8 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 1561K |
| 代理商： | PQ60025ETL35NYS-G |
Product # PQ60025ETL35
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2ET625F Rev. B
5/28/08
Page 12
Technical Specification
Input:
Output:
Current:
Package:
35V – 75 V
2.5 V
35 A
Eighth-brick
Startup/Restart Inhibit Period:TheRestartInhibit
Periodensuresthattheconverterwillremainoffforapproxi-
mately200msonceitisshutdown.Whenanoutputshortis
present,thisgeneratesa5Hz“hiccupmode,”whichprevents
theconverterfromoverheating.Inall,therearefiveways
thattheconvertercanbeshutdownthatinitiateaRestart
InhibitPeriod:
InputUnder-VoltageLockout
OutputOver-VoltageProtection
OverTemperatureShutdown
CurrentLimit
TurnedoffbytheON/OFFinput
FigureFshowsturn-onscenarios,whereaRestartInhibit
Periodisinitiatedatt1,t2,andt3
AStartupInhibitPeriodisinitiatedwhentheinputvoltageis
broughtupfromzerovoltageduringinitialstartup,beginning
astheinputvoltagereachesapproximately10V.Attheend
oftheStartupInhibitPeriod(typically10ms),iftheON/OFF
pinhasbeenactiveforatleast1ms,andtheinputvoltageis
abovetheUnder-VoltageLockoutthreshold,theoutputturns
onwiththeTypicalTurn-OnTime.Thisisshownattimet0.
Attimet1,theinputvoltagefallsbelowtheInputUnder-
VoltageLockoutthreshold.Thisdisablestheunitandinitiates
aRestartInhibitPeriod.DuringtheRestartInhibitPeriod,if
theinputvoltageagainexceedstheUVLOthreshold,theunit
cannotbeenabledagainuntiltheRestartInhibitPeriodhas
elapsed.Oncethisoccurs,theoutputturnsonwiththeTypi-
calTurn-OnTime.
Attimet2,theON/OFFpindisablestheunitandinitiatesa
RestartInhibitPeriod.DuringtheRestartInhibitPeriod,ifthe
ON/OFFpinisagainactivated,theunitcannotbeenabled
againuntiltheRestartInhibitPeriodhaselapsed.Oncethis
occurs,theoutputturnsonwiththeTypicalTurn-OnTime.
WhentheON/OFFpingoeshighaftert3,andtheRestart
InhibitPeriodhaselapsed,theoutputturnsonapproximately
1.6msaftertheON/OFFpinisactivated,withtheTypical
Turn-OnTime.
IftheUnder-VoltageLockoutthresholdhasnotbeensatis-
fiedattheendofeitherInhibitPeriod,theunitwillremain
disableduntiltheinputvoltageexceedstheUVLOthreshold.
Oncethisoccurs,theoutputturnsonwiththeTypicalTurn-
OnTime.
IftheON/OFFpinisactivatedaftereitherInhibitPeriodhas
elapsed,theoutputwillturnonapproximately1.6msafter
theON/OFFpinisactivated,withtheTypicalTurn-OnTime.
Under-Voltage
LockoutTurn-
OnThreshold
ON/OFF
(poslogic)
Figure F:
Startup Inhibit Period (turn-on time not to scale)
Vout
Vin
200ms
10ms
(typicalstart-up
inhibitperiod)
(typicalrestart
inhibitperiod)
t0
t1
t2
t3
t
ON
OFF
15ms
(typicalturnontime)
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