Go  List       PASS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
                            FAIL                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
Control and Logic Signals Ripple and Noise       N/T                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
                            N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
Model :                            Reference                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
1.      Equipment :                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
               (1)    AC Source : Chroma 61505                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
              (2)    DC Load : Chroma 63102/63103                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                (3)    Oscilloscope : Tektronix TDS 5054                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
2.      Test Condition :                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
  (1)    AC Input Voltage : Min. and Max. of Input Voltage                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
  (2)    Input Frequency : 60Hz /50Hz                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
  (3)    Load Condition : LD1 & LD2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
  (4)    Temperature :Room Ambient Temperature                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
  (5)   Wavefrom Requirement  :  PG/PSON                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
3.      Spec :                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
  The power good signal (TTL compatible) shall be provided to indicate normal operating conditions of the power supply. The power good signal will be asserted (low state) during power up until the +5VDC outputs are within the regulation range defined in Section 3.2.1 The electrical and timing characteristics of the power good signal, are shown in Table 7 and Figure1: Power Supply Timing. PWR_OK should be de-asserted to a low state when any of the +12 VDC, +5 VDC, or +3.3 VDC output voltages falls below its under voltage threshold, or when mains power has been removed for a time                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
  Ripple and noise are defined as periodic or random signals over the frequency band of 10Hz to 100MHz.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
  Measurements will be made with an oscilloscope set to 100MHz bandwidth limit. A 100nF multilayer (X7R)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
  ceramic capacitor will be connected to bypass the control and logic signal outputs when measuring the                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
  ripple/noise.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
  Parameter Description   Min Typ Max Unit                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
  PS_ON         400 mVpk-pk                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
  POK         400 mVpk-pk                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
4.      Test Result : PASS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
Load Vout PS_ON POK                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
Line                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
Load 1 90V/60HZ 11.2mV 18.4mV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
264V/50HZ 16.0mV 23.2mV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
Load 2 90V/60HZ 22.4mV 42.4mV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
264V/50HZ 16.8mV 29.6mV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
Spec < 400mV < 400mV                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
90Vac/60Hz Load1[1] 90Vac/60Hz Load2
tek00003.png
tek00002.png
(1) PS_ON (2) POK (1) PS_ON (2) POK
264Vac/50Hz Load1 264Vac/50Hz Load2
tek00000.png
tek00001.png
(1) PS_ON (2) POK (1) PS_ON (2) POK

[1]
ptc:100MHz,实际使用250MHz