Power Supply of LCD ( FA5550 )
-Specification
Item
|
Characteristics
|
| Input voltage | 85Vac to 264 Vac |
| Output voltage | 390 Vdc |
| Output power | 400W |
| Protection | Overvoltage limiting function Overcurrent limiting of power MOSFET Brownout function Open/short protection at FB pin |
| Switching frequency | 65kHz |
-Circuit Diagram
Click to enlarge the Circuit Diagram
-Typical Characteristics Curves
Harmonic Current
-Waveforms
AC input current