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AXA003A0X 参数 Datasheet PDF下载

AXA003A0X图片预览
型号: AXA003A0X
PDF下载: 下载PDF文件 查看货源
内容描述: 8.3 - 14VDC输入; 0.75Vdc至5.5VDC输出; 3A输出电流 [8.3 - 14Vdc Input; 0.75Vdc to 5.5Vdc Output; 3A output current]
分类和应用:
文件页数/大小: 18 页 / 573 K
品牌: LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
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Data Sheet  
Austin MiniLynxTM 12V SIP Non-isolated Power Modules:  
March 31, 2008  
8.3 – 14Vdc Input; 0.75Vdc to 5.5Vdc Output; 3A output current  
Using 1% tolerance trim resistor, set point tolerance  
Feature Descriptions (continued)  
of ±2% is achieved as specified in the electrical  
specification. The POL Programming Tool, available  
at www.lineagepower.com under the Design Tools  
section, helps determine the required external trim  
resistor needed for a specific output voltage.  
Output Voltage Programming  
The output voltage of the Austin MiniLynxTM 12V can  
be programmed to any voltage from 0.75Vdc to  
5.5Vdc by connecting a resistor (shown as Rtrim in  
Figure 29) between Trim and GND pins of the  
module. Without an external resistor between Trim  
and GND pins, the output of the module will be  
0.7525Vdc. To calculate the value of the trim resistor,  
Rtrim for a desired output voltage, use the following  
equation:  
Voltage Margining  
Output voltage margining can be implemented in the  
Austin MiniLynxTM modules by connecting a resistor,  
R
margin-up, from the Trim pin to the ground pin for  
margining-up the output voltage and by connecting a  
resistor, Rmargin-down, from the Trim pin to the Output  
pin for margining-down. Figure 30 shows the circuit  
configuration for output voltage margining. The POL  
Programming Tool, available at  
10500  
Rtrim =  
1000 Ω  
Vo 0.7525  
www.lineagepower.com under the Design Tools  
section, also calculates the values of Rmargin-up and  
Rtrim is the external resistor in  
Vo is the desired output voltage  
R
margin-down for a specific output voltage and % margin.  
Please consult your local Lineage Power technical  
representative for additional details.  
For example, to program the output voltage of the  
Austin MiniLynxTM 12V module to 1.8V, Rtrim is  
calculated as follows:  
Vo  
10500  
Rtrim =  
1000  
Rmargin-down  
1.8 0.7525  
Rtrim = 9.024kΩ  
Austin Lynx or  
Lynx II Series  
Q2  
VIN(+)  
VO(+)  
Trim  
Rmargin-up  
LOAD  
ON/OFF  
TRIM  
Rtrim  
R
trim  
Q1  
GND  
GND  
Figure 30. Circuit Configuration for margining  
Output voltage.  
Figure 29. Circuit configuration to program  
output voltage using an external resistor.  
Table 1 provides Rtrim values required for some  
common output voltages.  
Table 1  
V
O, set (V)  
Rtrim (K)  
Open  
0.7525  
1.2  
22.46  
1.5  
13.05  
1.8  
9.024  
2.5  
5.009  
3.3  
3.122  
5.0  
1.472  
LINEAGE POWER  
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