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參數(shù)資料
| 型號： | PQ60050QGA20NNS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-8 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 1015K |
| 代理商： | PQ60050QGA20NNS-G |
48 V
5.0 V
20 A
Quarter-brick
48 V
5.0 V
20 A
Quarter-brick
Product # PQ60050QGA20
Phone 1-888-567-9596
Doc.# 005-2QG650D Rev. E
07/15/09
Page 11
Technical Specification
Input:
Output:
Current:
Package:
48 V
5.0 V
20 A
Quarter-brick
APPLICATIONCONSIDERATIONS
Input System Instability: This condition can occur because any
DC/DCconverterappearsincrementallyasanegativeresistance
load.Adetailedapplicationnotetitled“InputSystemInstability”
is available on the SynQor web site (www.synqor.com) which
provides an understanding of why this instability arises, and
shows the preferred solution for correcting it.
Application Circuits: Figure D below provides a typical circuit
diagram which details the input filtering and voltage trimming.
Input Filtering and External Capacitance: Figure E below
provides a diagram showing the internal input filter components.
This filter dramatically reduces input terminal ripple current, which
otherwise could exceed the rating of an external input electrolytic
capacitor. The recommended external input capacitance is specified
inthe“InputCharacteristics”section.Moredetailedinformationis
availableintheapplicationnotetitled“EMICharacteristics”onthe
SynQor website.
Startup Inhibit Period: The Startup Inhibit Period ensures that
the converter will remain off for approximately 200ms when it is
shutdownforanyreason.Whenanoutputshortispresent,this
generatesa5Hz“hiccupmode,”whichpreventstheconverterfrom
overheating. In all, there are seven ways that the converter can be
shutdown,initiatingaStartupInhibitPeriod:
InputUnder-VoltageLockout
InputOver-VoltageShutdown(notpresentinQuarter-brick)
OutputOver-VoltageProtection
OverTemperatureShutdown
CurrentLimit
ShortCircuitProtection
TurnedoffbytheON/OFFinput
Vin
External
Input
Filter
Trim
Vin(+)
Iload
Cload
L
Vout(+)
Rtrim-up
or
Rtrim-down
Vsense(+)
ON/OFF
Vin(_)
Vin(+)
Vin(_)
Vout(_)
Vsense(_)
Electrolytic
Capacitor
33F
ESR
1Ω
Figure D: Typical application circuit (negative logic unit, permanently enabled).
Figure E: Internal Input Filter Diagram (component values listed on page 3).
C
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| PQ60050QGA20NYS-G | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
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| PQ60050QGA20NRS-G | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
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| PQ60050QGA20NRS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter |
| PQ60050QGA20NYS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter |
| PQ60050QGA20PKS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter |
| PQ60050QGA20PNS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter |
| PQ60050QGA20PRS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter |
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