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Table 1: Required Equipment 

ac Power Supply, 85 V

ac

 –   265 

V

ac

, 1 A  

Yokogawa Power Meter WT210 

Multimeter 

 

Electronic Load, 5 V up to 3 A 

NCP1027ATX Evaluation Board 

 

 
 

Test Procedure: 
 
1.

 

Connect the test setup as shown in Figure 1. 

 
2.

 

Apply an input voltage, 85 V

ac

 < V

IN

 < 265 V

ac

, 50 Hz or 60 Hz. 

 
3.

 

Connect electronic load to output connector. 

 
4.

 

Test the conditions given in Table 2. 

 
 
 
 
 
 
 
 
 
 
 

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