Isolated LED TV Power Supply ac/dc power converter 270W with Constant Voltage DC4.5V
Features:
* Synchronous rectification,high power factor>0.95
* High efficiency up to 90%
* Low output ripple and noise,high reliability
* With over-current/over-voltage/short-circuit/over-power protection
* Ultra-low start up temperature -40
* 2 years warranty
Applications:
1. Electrical equipment, Instrumentation;
2. Digital and electronic products;
3. Advisement player
4. LED display,LCD TV, LED TV
5. Display screen,LED video wall
6. Communications and security products.
Specifications:
|
Switching power supply |
NHP300-4.5-A |
|
|
OUTPUT |
DC Voltage |
4.5V |
|
Current Range |
0~60A |
|
|
Rated Current |
60A |
|
|
Rated Power |
270W |
|
|
Ripple & Noise(max.) |
<200mVp-p |
|
|
Regulation |
+/-3% |
|
|
Leakage current |
3.5mA |
|
|
INPUT |
Voltage Range |
100-240V AC |
|
Frequency Range |
47-63Hz |
|
|
Efficiency(Typ.) |
90% |
|
|
Environment |
Storage Temperature |
-40 ~ +85 |
|
Operaing Temperature |
-40 ~ +80 |
|
|
Relative Humidity |
10%-95% |
|
|
Cooling |
Natural convection |
|
|
Safety |
Safety standards |
CE |
|
Withstand Voltage |
Input-output withstand vol. |
3000Vac/10mA/1min |
|
Input-FG withstand vol. |
1500Vac/10mA/1min |
|
|
Output-FG withstand vol. |
500Vac/10mA/1min |
|
|
Others |
Dimension |
242*58*29mm (L*W*H) |
Company Advantage:
* Cheap wholesale price
* High quality products
* Short lead time
* Professional R&D team
* Standardized production process
* Best after sale service
Competitive Advantage:
* Ultra-thin 29mm
* High efficiency up to 90%
* Low output ripple and noise
* Output over-current,short-circuit,over-load,over-voltage protection
* Synchronous rectification+PFC
* Ultra-low start up temperature-40
* CE / ROHS / FCC approval
