1
|
R
|
DC resistance
|
pin 1-2, limits <110 mOhms
|
To check the auxiliary winding resistance is below a maximum. Also acts as a check of correct wire gauge and good termination.
|
2
|
R
|
DC resistance
|
pin 3-4, limits <450 mOhms
|
To check the primary winding resistance is below a maximum. Also acts as a check of correct wire gauge and good termination.
|
3
|
R
|
DC resistance
|
pin 9-8, limits <100 mOhms
|
To check the first secondary winding resistance is below a maximum. Also acts as a check of correct wire gauge and good termination.
|
4
|
R
|
DC resistance
|
pin 7-10, limits <100 mOhms
|
To check the second secondary winding resistance is below a maximum. Also acts as a check of correct wire gauge and good termination.
|
5
|
LS
|
Series Inductance
|
Pin 3-4, 100mV, 100 Khz, nominal 127 mH +/- 10% (as per published spec)
|
To check the correct number of turns and correct operation of the core material
|
6
|
LL
|
Leakage Inductance
|
Pins 3 -4 Hi, Pins 8-9 Low, 100mV, 100 kHz , check below 2.3 uH as per spec.
|
To check leakage is below specified limit as a validation of correct placement and operation of windings.
|
7
|
TR
|
Turns Ratio
|
Energize pins 3-4, 100 mV 100 kHz, check Turns ratio and phase 3-4:2-1 to be 1:0.21 +/- 3%
|
To check correct ratio of windings
|
8
|
TR
|
Turns Ratio
|
Energize pins 3-4, 100mv 100kHz, check Turns ratio and phase 3-4:7-10 to be 1:0.29 +/- 3%
|
To check correct ratio of windings
|
9
|
TR
|
Turns Ratio
|
Energize pins 3-4, 100mv 100kHz, check Turns ratio and phase 3-4:8-9 to be 1:0.29 +/- 3%
|
To check correct ratio of windings
|
10
|
HPAC
|
AC Hi-Pot
|
1.5kV AC, 1 second, Pins 1,2,3,4 High, Pins 7,8,9,10 LO. Check <5mA current
|
To check isolation as per datasheet.
|
|
|
|
|
AT5600 Run time 1.35 sec
|
|
|
|
|
(AT3600 Run time 3.81 sec)
|