Power board for LCD tv 1. Size for screen LCD47 inch. 2. High Efficiency 3. Competitive price and good quality
1. Input Electrical Characteristics
Input Voltage Range: 100 to 240Vac, Single phase.
Input Frequency Range: 47 To 63Hz
Input Current:
1)2.5 A Max, at 110Vac, Full load
2) 1.5A Max, at 220Vac, Full load
Efficiency:
1) Greater than 84%,AT FULL LOAD 230Vac,50Hz
2)80%,AT FULL LOAD 115Vac,60Hz greater than
STANDBY Power Consumption: less than 0.5W (5VS 30mA LOAD)
The internal power loss at 5VS 30mA load shall be less than 0.5W
Inrush Current
1) 50A MAX. At 110Vac, Cold start.
2) 80A MAX. At 230Vac, Cold start.
Power Factor: INPUT VOLTAGE 220VAC, FULL LOAD CONDITION, PF more than 95%
HI-POT Tests: Primary-Secondary: 3KVac for 1 minute. (Leakage current 10mA).
2. Output Electrical Characteristics
DC Output Characteristics
Item | 5Vsb | 5V | 12V | 24V |
Min.Output Current | 0.03A | 0.1A | 0.3A | 0.3A |
Rated current | 1A | 3A | 23A | 3A |
Peak Output current | 2A | 4A | 4A | 4.5A |
Regulation | ±5% | ±5% | ±5% | ±5% |
Ripple & Noise | less than 80mV | less than 80mV | less than 1200mV | less than 240mV |
Remark:
1) Measurements shall be made with an oscilloscope with 20MHz bandwidth.
2) Outputs shall be bypassed at the connector with a 0.1uF ceramic capacitor and a 47uF electrolytic capacitor to simulate system loading.
Short Circuit Protection
A short circuit place at any output will not cause damage and the power supply shall shut down or auto restart.
Leakage Current: Less than 0.5mA at 230V input.
3.Products pictures
250W LCD power supply pcb
