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                                      PASS
+5VDC / +3.3VDC Power / Sequencing                 FAIL
                                       
Model :                                       
                                       
1.      Equipment :                                    
               (1)    AC Source : Chroma 6530                                
              (2)    DC Load : Chroma 63102/63103                              
(3)     Freqency Response Analyzer : Venable Instruments 3120
                                                     
2.      Test Condition :                                    
  (1)    AC Input Voltage : Min. and Max. of Input Voltage                          
  (2)    Input Frequency : 47Hz/63Hz                              
  (3)    Load Condition :  LD1 and LD2                              
  (4)    Temperature :Room Ambient Temperature                            
  (5)   Wavefrom Requirement  :  12V, 5V and 3.3V + (Math 5V-3.3V)                        
                                       
3.      Spec :                                    
  The +12V and +5 V output levels must be equal to or greater than the +3.3 V output at all times during power-up and normal operation. The time between any output of +12V and +5 V reaching its minimum in-regulation level and +3.3 V reaching its minimum in-regulation level must be 20 msec.                    
                     
                     
                     
                     
                                       
4.      Test Result : PASS                                  
                                       
Vin
(V)
Load condition Power
Sequencing
(ms)
SPEC
(ms)
         
 
90V/47Hz LD1 3.97 20  
LD2 3.67  
264V/63Hz LD1 3.77  
LD2 3.45  
 
 
90Vac/60Hz Load2             90Vac/60Hz Load1            
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(1) 12V (2) 5V (3) 3.3V               (1) 12V (2) 5V (3) 3.3V                
                               
264Vac/50Hz LD2             264Vac/50Hz LD1            
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                tek00002.png
 
                   
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
                                       
(1) 12V (2) 5V (3) 3.3V                   (1) 12V (2) 5V (3) 3.3V