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MGH2805D/883 PDF预览

MGH2805D/883

更新时间： 2024-09-14 12:49:11
品牌 Logo 应用领域
CRANE 转换器
页数 文件大小 规格书
18页 329K
描述
MCH/MGH Single and Dual DC/DC Converters

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MGH2805D/883 技术参数

生命周期：Contact Manufacturer包装说明：DFP, FL18,.8,100
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.56Is Samacsys：N
其他特性：ADDITIONAL -5V OUTPUT AVAILABLE模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：50 V最小输入电压：12 V
标称输入电压：28 VJESD-30 代码：R-MDMA-F18
JESD-609代码：e4功能数量：1
输出次数：2端子数量：18
最高工作温度：125 °C最低工作温度：-55 °C
最大输出电流：0.24 A最大输出电压：5.2 V
最小输出电压：4.8 V标称输出电压：5 V
封装主体材料：METAL封装代码：DFP
封装等效代码：FL18,.8,100封装形状：RECTANGULAR
封装形式：MICROELECTRONIC ASSEMBLY认证状态：Not Qualified
筛选级别：MIL-STD-883子类别：Other Analog ICs
表面贴装：YES技术：HYBRID
温度等级：MILITARY端子面层：GOLD
端子形式：FLAT端子节距：2.54 mm
端子位置：DUAL最大总功率输出：1.5 W
微调/可调输出：NOBase Number Matches：1

MGH2805D/883 数据手册

 浏览型号MGH2805D/883的Datasheet PDF文件第2页浏览型号MGH2805D/883的Datasheet PDF文件第3页浏览型号MGH2805D/883的Datasheet PDF文件第4页浏览型号MGH2805D/883的Datasheet PDF文件第5页浏览型号MGH2805D/883的Datasheet PDF文件第6页浏览型号MGH2805D/883的Datasheet PDF文件第7页 
Crane Aerospace & Electronics Power Solutions  
MCH/MGH Single and Dual DC/DC Converters  
28 VOLT INPUT – 1.5 WATT  
FEATURES  
MODELS  
• -55°C to +125°C operation  
• 12 to 50 VDC input  
VDC OUTPUT  
SINGLES  
DUALS  
• Fully isolated  
5
5.2 (MCH)  
12  
5
• Magnetic feedback  
12  
15  
• Fixed frequency 370 kHz typ.  
• Topology – Current Mode Flyback  
• 80 V for up to 120 ms transient protection  
(70 V for 15 V single and dual models)  
• Inhibit function  
15  
• Indefinite short circuit protection  
• Undervoltage lockout  
• Up to 79% efficiency (MGH models)  
MCH SERIES™ SINGLE & DUAL  
DC/DC CONVERTERS  
With a miniature footprint of just 0.8 square inches, the MCH  
Series™ of DC/DC converters delivers 1.5 watts of output power  
while saving significant board real estate. The wide input voltage  
range of 12 to 50 VDC accepts the varying voltages of military, aero-  
space, or space bus power and tightly regulates output voltages to  
protect downstream components. Transient protection of 80 volts for  
up to 120 milliseconds exceeds the requirements of MIL-STD-704A  
for the 5, 5.2, and 12 volt single models and the 12 volt dual model.  
The 15 volt single and dual converters will withstand transients of up  
to 70 volts for up to 120 milliseconds.  
INHIBIT FUNCTION  
When an open collector TTL logic low is applied to the inhibit  
terminal, pin 7, the converter shuts down and lowers the output  
voltage to near zero and input current to as low as 2.3 mA. Leaving  
the terminal open or applying an open collector TTL logic high will  
enable the converter.  
PROTECTION FEATURES  
Undervoltage lockout prevents the MCH Series converters from  
operating below approximately 8 VDC input voltage to keep system  
current levels smooth, especially during initialization or re-start oper-  
ations. All models include a soft-start function to prevent large  
current draw and minimize overshoot. The converters also provide  
short circuit protection by restricting the current.  
CONVERTER DESIGN  
MCH Series DC/DC converters incorporate a continuous flyback  
topology with a constant switching frequency of approximately 370  
kHz. Current-mode pulse width modulation (PWM) provides output  
voltage regulation. Output error voltage is magnetically fed back to  
the input side of the PWM to regulate output voltage. Regulation is  
also affected by the load; refer to the Electrical Characteristics  
tables on the following pages.  
MIL-STD-461  
Use Interpoint’s FMSA-461 EMI filter to pass the CE03 requirements  
of MIL-STD-461C.  
CONVENIENT PACKAGING  
Dual models regulate the negative output with magnetic coupling to  
the positive output. Up to 80% of the total load may be on one output  
providing that the other output carries a minimum of 20% of the total  
load. The dual models can be used at double the output voltage by  
connecting the load between positive and negative outputs, leaving  
the common unconnected. (ex: MCH2805D can be used as a 10  
VDC output.)  
The MCH Series converters are packaged in hermetically sealed,  
projection-welded metal cases which provide EMI/RFI shielding.  
Crane Aerospace & Electronics  
Page 1 of 18  
Rev E - 20060508  
Electronics Group (Interpoint Brand)  
PO Box 97005 • Redmond WA 98073-9705  
425.882.3100 • electronics@craneae.com  
www.craneae.com  
1234567...18

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