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参数资料
| 型号： | 5962-9166402HZC |
| 厂商： | CRANE ELECTRONICS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | FM-8 |
| 文件页数： | 8/15页 |
| 文件大小： | 561K |
| 代理商： | 5962-9166402HZC |
SyncHronizAtion
AsynchronizationfeatureisincludedwiththeSMHFSeriesthat
allowstheusertomatchtheswitchingfrequencyoftheconverter
tothefrequencyofthesystemclock.Thisallowstheuser
toadjustthenominally550kHzoperatingfrequencytoany
frequencywithintherangeof500kHzto600kHz.Thisisinitiated
byapplyingacompatibleinputofthedesiredfrequencytopin5.
Theinitialtransitiononthesyncpinshouldbeanegativetransi-
tion(i.e.fromhighstatetolowstate)
SHort circuit Protection
SMHFSeriesconvertersprovideshortcircuitprotectionby
restrictingtheoutputcurrenttoapproximately115%ofthe
fullloadoutputcurrent.Theoutputcurrentissensedinthe
secondarystagetoprovidehighlypredictableandaccurate
currentlimiting,andtoeliminatefoldbackcharacteristics.
unDervoLtAge Lockout
Undervoltagelockoutpreventstheunitsfromoperatingbelow
approximately14VDCinputvoltagetokeepsystemcurrent
levelssmooth,especiallyduringinitializationorre-startopera-
tions.
PWM
Controller
ID
IC
Limit
Ref.
Output
Common
Positive
Output
Positive
Input
Inhibit
Input
Common
5 H
2 F
FET
Driver
Figure 1: SMHF Single Output - BlOck DiagraM
Crane Aerospace & Electronics Power Solutions
smHF single and dual dc/dc converters
Page2of15
RevD-20070404
28 Volt input – 15 Watt
www.craneae.com
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