9 - 36V to 4.5V 40A 180W DC to DC Converters for Bus / Car LED Display Screen
Features:
* To prevent car screen flower screen, the splash screen and two horizontal line design
* Input reverse connect protection
* High efficiency 94% & small size
* Low output ripple and noise
* Aluminum metal shell,natural cooling
* Through the EMC certification
* 2 years warranty
Specifications:
|
Switching power supply |
NHD-200-4.5E |
|
|
OUTPUT |
DC Voltage |
4.5V |
|
Current Range |
0~40A |
|
|
Rated Current |
40A |
|
|
Rated Power |
180W |
|
|
Ripple & Noise(max.) |
<100mVp-p |
|
|
Voltage set point accuracy |
+/- 3.0%Vo max |
|
|
Over-current protection |
>120%io,hiccup |
|
|
Line Regulation |
0.2%Vo max |
|
|
Load Regulation |
0.2%Vo max |
|
|
Short-circuit protection |
Hiccup |
|
|
Hold up time |
>8mS |
|
|
Overshoot and undershoot |
< +/- 5.0% |
|
|
INPUT |
Voltage Range |
DC9-36V |
|
Frequency Range |
BW=20MHz |
|
|
Efficiency(Typ.) |
94% |
|
|
DC Current |
<25A |
|
|
Inrush Current(Typ.) |
100A at DC Cold start |
|
|
Leakage Current |
Input-Output< 0.2mA ; Input-PG:<0.3mA |
|
|
Environment |
MIBF |
>2 million hrs |
|
Temp.Coefficient |
< 0.02%/ |
|
|
Storage Temperature range |
-55 ~ +115 |
|
|
Operaing board Temperature range |
-25 ~ +65 |
|
|
Safety | ||
