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SMFLHP2805D/HR PDF预览

SMFLHP2805D/HR

更新时间: 2024-11-20 19:55:15
品牌 Logo 应用领域
CRANE /
页数 文件大小 规格书
15页 273K
描述
Analog Circuit, Hybrid,

SMFLHP2805D/HR 数据手册

 浏览型号SMFLHP2805D/HR的Datasheet PDF文件第2页浏览型号SMFLHP2805D/HR的Datasheet PDF文件第3页浏览型号SMFLHP2805D/HR的Datasheet PDF文件第4页浏览型号SMFLHP2805D/HR的Datasheet PDF文件第5页浏览型号SMFLHP2805D/HR的Datasheet PDF文件第6页浏览型号SMFLHP2805D/HR的Datasheet PDF文件第7页 
Crane Aerospace & Electronics Power Solutions  
SMFLHP Single and Dual DC-DC Converters  
28 Volt input – 100 Watt  
Features  
pꢀꢁꢀllꢂl ꢃꢄꢂꢁꢀꢅꢆꢃꢇ wꢆꢅh ꢈꢉꢁꢁꢂꢇꢅ ꢊhꢀꢁꢂ,  
ꢉꢄ ꢅꢃ 3 ꢉꢇꢆꢅꢊ (ꢉꢄ ꢅꢃ 285 wꢀꢅꢅꢊ)  
•ꢀ Operating temperature -55° to +125°C  
•ꢀ Qualified to MIL-PRF-38534 Class H and K  
•ꢀ Radiation hardness assurance (RHA) to level R 100 kRad(Si)  
•ꢀ Input voltage range 19 to 40 VDC  
•ꢀ Transient protection 80 V for 50 ms  
•ꢀ Fully isolated, magnetic feedback  
•ꢀ Fixed high frequency switching  
•ꢀ Remote sense / output trim on single output models  
•ꢀ Inhibit function  
MODELS  
•ꢀ Synchronization input and output  
VDC Output  
•ꢀ Indefinite short circuit protection  
SINGLE  
DUAL  
±5  
•ꢀ High power density with up to 87% efficiency  
3.3  
5
±12  
±15  
12  
15  
description  
DeSign FeatureS  
The Interpoint™ SMFLHP Series™ 28 volt dc-dc converters  
are rated up to 100 watts output power over a -55°C to +125°C  
temperature range with a 28 VDC nominal input. On dual output  
models, up to 70% of the rated output power can be drawn from  
either the positive or negative outputs. Current sharing allows  
the units to be paralleled for total power of up to 285 watts. The  
welded, hermetically sealed package is only 3.005 x 1.505 x  
0.400 inches.  
The SMFLHP Series converters are switching regulators that use  
a quasi-square wave, single ended forward converter design with  
a constant switching frequency of 600 kHz.  
Isolation between input and output circuits is provided with a  
transformer in the forward path and wide bandwidth magnetic  
coupling in the feedback control loop. The SMFLHP Series  
uses a unique dual loop feedback technique that controls output  
current with an inner feedback loop and output voltage with a  
cascaded voltage mode feedback loop.  
Screening  
SMFLHP converters offer screening options to Space Prototype  
(O), Class H, or Class K. Radiation tolerant to Radiation  
Hardness Assurance (RHA) levels of “-” (O), “P” or “R”, per  
MIL-PRF-38534. Interpoint model numbers use an “O” in the  
RHA designator position to indicate the “-” (dash) Radiation  
Hardness Assurance level of MIL-PRF-38534, which is defined  
as “no RHA”. See “Table 9: Element Evaluation” on page 14  
and “Table 10: Environmental Screening and RHA Levels” on  
page 15 for more information.  
The additional secondary current mode feedback loop improves  
transient response in a manner similar to primary current mode  
control and allows for ease of paralleling.  
Tight load regulation is achieved through a wide-bandwidth  
magnetic feedback circuit. The output voltage on single SMFLHP  
models can be easily trimmed up by adding an external resistor.  
See “Figure 2: Sense Connections and Trim Table – Single  
Output Models” on page 3 for voltage changes with different  
resistor values.  
Crane Aerospace & Electronics  
Page 1 of 15  
Power Solutions – Interpoint Products  
10301 Willows Rd. NE, Redmond, WA 98052  
+1 425.882.3100 • power@crane-eg.com  
www.craneae.com/interpoint  
Rev AA - 2013.08.31  
The information in this document is a derivative of documents cleared by the Department  
of Defense (DoD) Office of Security Review (OSR) for public release. OSR case numbers  
09-S-1007 dated March 13, 2009 and 12-S-2048 dated MAY 29, 2012.  

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