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WRB1215YMD-6W PDF预览

WRB1215YMD-6W

更新时间： 2022-09-01 10:37:08
品牌 Logo 应用领域
MICRODC 转换器
页数 文件大小 规格书
3页 810K
描述
Wide Input,Isolated& Regulated Single Output DC/DC Converter

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中文翻译

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WRB1215YMD-6W 数据手册

 浏览型号WRB1215YMD-6W的Datasheet PDF文件第1页浏览型号WRB1215YMD-6W的Datasheet PDF文件第3页 
WRA-YMD-6W＆WRB-YMD-6W Series  
TYPICAL CHARACTERISTICS  
TEMPERATURE CHARACTERISTICS  
Temperature Derating Graph  
Parameter  
Conditions  
Min.  
Typ.  
500  
Max.  
95  
Units  
Storage humidity range  
NO-load power consumption  
Operating temperature  
Storage temperature  
Lead temperature  
Temp.rise at full load  
Cooling  
%
MW  
°C  
-40  
-55  
85  
125  
300  
°C  
1.5mm from case for 10 seconds  
°C  
15  
°C  
Free air convection  
Plastic(UL94-V0)  
Case material  
Short circuit protection*  
Case material  
Continuous,automatic recovery  
Copper metal or Aluminum alloy  
K hours  
MTBF  
1000  
Weight  
15  
g
*Supply voltage must be discontinued at the end of short circuit duration.  
RECOMMENDED CIRCUIT  
ISOLATION SPECIFICATIONS  
OUTPUT Graph  
Parameter  
Test conditions  
Min.  
Typ.  
100  
Max.  
Units  
Flash tested for 1 minute and 1mA max  
Test at Viso=500VDC  
Isolation test voltage  
Isolation resistance  
Isolation capacitance  
1500  
1000  
VDC  
MΩ  
pF  
Input/Output  
APPLICATION NOTE  
1) Requirement on output load  
In order to ensure the product operate efficiently and reliably, in addition to a max load (namely full  
load), a minimum load is specified for this kind of DC/DC converter. Make sure the specified range of  
input voltage is not exceeded, the minimum output load no less than 10% load. If the actual load is less  
than the specified minimum load, the output ripple may increase sharply while its efficiency and reliability  
will reduce greatly. If the actual output power is very small, please add an appropriate resistor as extra  
loading, or contact our company for other lower output power products.  
2) Recommended Circuit  
All the WRA_YMD-6W  
& WRB_YMD-6W Series have been tested according to the following  
recommended testing circuit before leaving factory. This series should be tested under load. Never be  
tested under no load (see Figure 1).  
If you want to further decrease the input/output ripple,you can increase capacitance properly or  
choose capacitors with low ESR. However, the capacitance of the output filter capacitor must be proper.  
If the capacitance is too big, a startup problem might arise. For every channel of output,provided the safe  
and reliable operation is ensured,the greatest capacitance of its filter capacitor sees (Table 1). General:  
Cin:  
5V&12V  
100μF  
24V&48V  
10μF-47μF  
Cout: 10PF/100mA  
3) Input current  
When it is used in unregulated power supply,be sure that the fluctuating range of the power supply  
and the rippled voltage do not exceed the module standard.Input current of power supply should afford  
the startup current of this kind of DC/DC module (Figure 2).  
EXTERNAL CAPACITOR TABLE (TABLE 1)  
General: Ip≤1.4*Iin-max  
Single Vout  
Cout  
(μF)  
2200  
1000  
680  
Dual Vout  
Cout  
(μF)  
680  
470  
330  
220  
_
(VDC)  
3.3  
5
(VDC)  
±5  
4) No parallel connection or plug and play  
±9  
9
±12  
±15  
_
12  
470  
15  
330  
24  
220  
_
_
http://www.microdc.cn  
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646  
Page 2 of 3  
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中文翻译

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