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參數(shù)資料
| 型號： | PQ60025HPA80NRF-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 200 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, HALF BRICK PACKAGE-10 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 1536K |
| 代理商： | PQ60025HPA80NRF-G |
Product # PQ60025HPA80
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HP625K Rev. D
05/28/10
Page 12
Input:
Output:
Current:
Package:
35-75 V
2.5 V
80 A
Half-brick
Technical Specification
Startup Inhibit Period:TheStartupInhibitPeriodensuresthat
theconverterwillremainoffforapproximately200mswhenitis
shutdownforanyreason.Whenanoutputshortispresent,this
generates a 5Hz “hiccup mode,” which prevents the converter
fromoverheating.Inall,therearesevenwaysthattheconverter
canbeshutdown,initiatingaStartupInhibitPeriod:
InputUnder-VoltageLockout
InputOver-VoltageShutdown(notpresentinQuarter-brick)
OutputOver-VoltageProtection
OverTemperatureShutdown
CurrentLimit
ShortCircuitProtection
TurnedoffbytheON/OFFinput
Figure F shows three turn-on scenarios, where a Startup Inhibit
Periodisinitiatedatt0,t1,andt2:
Beforetimet0,whentheinputvoltageisbelowtheUVLthreshold,
theunitisdisabledbytheInputUnder-VoltageLockoutfeature.
WhentheinputvoltagerisesabovetheUVLthreshold,theInput
Under-VoltageLockoutisreleased,andaStartupInhibitPeriodis
initiated.Attheendofthisdelay,theON/OFFpinisevaluated,
andsinceitisactive,theunitturnson.
Attimet1,theunitisdisabledbytheON/OFFpin,anditcannot
beenabledagainuntiltheStartupInhibitPeriodhaselapsed.
When the ON/OFF pin goes high after t2, the Startup Inhibit
Period has elapsed, and the output turns on within the typical
Turn-OnTime.
Under-Voltage
LockoutTurn-On
Threshold
ON/OFF
(poslogic)
Figure F: Startup Inhibit Period (turn-on time not to scale)
Vout
Vin
200ms
(typicalstart-up
inhibitperiod)
t0
t1
t2
t
20ms
(typical
turnontime)
ON
OFF
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