| No. |
Item |
Check list |
Result |
| A |
Inf. |
Main control IC: OB3318 Half
bridge
Dimming mode: Burst mode, analog mode, external LPWM mode
Lamp quantity: 100K dummy load X1
Input voltage: typical 12V
Operation frequency: 48KHz~52KHz
Burst frequency: 195Hz~205Hz |
| B |
X’FMR |
Turns ratio: 20:2485
Endure voltage: 1500V rms 60sec
Secondary DCR: 770ohm+15%
Secondary leakage inductor: 200mH+10% |
| Open lamp voltage less than
95% of endure voltage? |
OK |
| Normal running voltage less
than 85% of endure voltage? |
OK |
| Striking voltage higher than
lamps’ start up voltage (1000V)? |
OK |
| C |
Striking Time |
Striking time >1S? |
OK |
| D |
Input Current |
Inrush current less than Spec.
or I2T? |
OK |
| Normal running current less
than 60% of Spec. (1A)? |
OK |
| E |
Switching |
Operating range of VGS less
than 90%of Spec. (+25V)? |
OK |
| Operating range of VDS less
than 90%of Spec. (+30V)? |
OK |
| F |
Balance |
Current difference less than
1mA? |
none |
| G |
Efficiency |
Higher than 80%? |
OK |
| H |
Reliability |
72 hours run in test |
OK |
| 24 hours 40oC burn in test |
none |
| -20~70oC thermal shock test |
none |
| Vibration test |
none |
