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WRB1215S-3WR2

更新时间： 2024-02-08 19:38:47
品牌 Logo 应用领域
RSG /
页数 文件大小 规格书
7页 665K
描述
Ultra-Miniature SIP Package

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WRB1215S-3WR2 技术参数

是否Rohs认证： 符合生命周期：Contact Manufacturer
包装说明：, SIP7/8,.1Reach Compliance Code：unknown
风险等级：5.67Base Number Matches：1

WRB1215S-3WR2 数据手册

 浏览型号WRB1215S-3WR2的Datasheet PDF文件第1页浏览型号WRB1215S-3WR2的Datasheet PDF文件第2页浏览型号WRB1215S-3WR2的Datasheet PDF文件第3页浏览型号WRB1215S-3WR2的Datasheet PDF文件第4页浏览型号WRB1215S-3WR2的Datasheet PDF文件第5页浏览型号WRB1215S-3WR2的Datasheet PDF文件第7页 
TEST CONFIGURATIONS  
Input Reflected-Ripple Current Test Setup  
Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate the source impedance.  
Oscilloscope  
Lin  
Current  
Probe  
Load  
Cin  
DC  
DC  
Lin(4.7µH)  
Cin(220µF, ESR < 1.0Ω at 100 KHz)  
DESIGN CONSIDERATIONS  
1) Requirement on output load  
To ensure this module can operate efficiently and reliably, during operation, the minimum output load could not be less than 5% of the full load,  
otherwise output ripple maybe increase dramatically. If the actual output power is very small, please connect a resistor with proper resistance at the  
output end in parallel to increase the load, suppose to use the resistance of 5% rated power, or use our company’s products with a lower rated output  
power.  
2) Recommended circuit  
All the WRA_S-3WR2 & WRB_S-3WR2 series have been tested according to the following recommended test circuit before leaving the factory  
(see Figure 6).  
If you want to further decrease the input/output ripple, you can increase a capacitance-values 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 must be less than the Max. Capacitive  
Load.  
General:  
Cin1:  
5V&12V  
24V&48V  
100μF  
10μF  
47μF  
1μF  
Cin2: 5V&12V  
24V&48V  
Lin:  
Cs:  
4.7μH~12μH  
10μF~22μF  
Cout: 100μF(Typ.)  
Lout:  
Cd:  
2.2μH~10μH  
47nF/100V  
Single output  
Dual output  
Lin  
Lout  
Lout  
Lin  
2
2
1
6
6
Vin  
Vin  
+Vo  
0V  
+Vo  
0V  
Cout  
Cout  
Cin1  
Cin2  
Cin1 Cin2  
8
7
7
8
Cout  
Cs  
1
-Vo  
GND  
Cd  
Vc  
GND  
Vc  
Cd  
D1 Ic  
D1 Ic  
R
R
3
3
(Figure 6)  
3) Ctrl Terminal  
When open or high impedance, the converter works well; When this pin is ‘high’, the converter shut down. It should be note that the input current  
should be between 5-10mA, exceeding the maximum 20mA will cause permanent damage to the converter. The value of R can be derived as follows:  
VC -VD -1.0  
R =  
-300  
IC  
For Detailed parameter, please refer to "EMC RECOMMENDED CIRCUIT".  
4) 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 flash startup average current of this kind of DC/DC module (Figure 7).  
General: Vin:5V  
Iave =1110mA  
Vin:12V Iave =640mA  
Vin:24V Iave =325mA  
Vin:48V Iave =160mA  
Iave  
Input Voltage  
Range  
Input Voltage (V)  
(Figure 7)  
5) It is not recommended to increase the output power capability by connecting two or more converters in parallel. The product is not  
hot-swappable  
The copyright and authority for the interpretation of the products are reserved by MORNSUN  
WRA_S-3WR2 & WRB_S-3WR2 2013.07.22-A/3  
Page 6 of 7  
1...34567

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