The power supply was designed for LED display :, small size, high efficiency, stability, and reliability. Power supply has input undervoltage, output current limiting, output short circuit protection. Power supply will apply with high rectification which greatly improves the power efficiency,can reach 82.0% above, saving energy consumption, to meet with the European RoHS standard.
|
Output Power (W) |
Rated Input Voltage (Vac) |
Rated Output Voltage (Vdc) |
Output Current Range (A) |
Precision |
Ripple and Noise (mVp-p) |
|
300 |
110/220(±20%) |
+5.0 |
0-60.0 |
±2% |
≤150 |
|
Item |
Description |
Tech Spec |
Unit |
Remark |
|
1 |
Working temperature |
-30—50 |
℃ |
|
|
2 |
Storing temperature |
-40—80 |
℃ |
|
|
3 |
Relative humidity |
10—90 |
% |
No condensation |
|
4 |
Heat dissipation method |
Fan cooling |
|
The power supply should be installed on the metal plate to dissipate heat |
|
5 |
Air pressure |
80— 106 |
Kpa |
|
|
6 |
Height of sea level |
2000 |
m |
|
1 |
Input character | ||||
|
Item |
Description |
Tech Spec |
Unit |
Remark |
|
|
1.1 |
Rated voltage range |
200-240 |
Vac |
Refer to the diagram of input voltage and load relation. |
|
|
1.2 |
Input frequency range |
47—63 |
Hz |
|
|
|
1.3 |
Efficiency |
≥85.0 |
% |
Vin=220Vac 25℃ Output Full Load (at room temperature) |
|
|
1.4 |
Efficiency factor |
≥0.40 |
|
Vin=220Vac Rated input voltage, output full load |
|
|
1.5 |
Max input current |
≤3 |
A |
|
|
|
1.6 |
Dash current |
≤70 |
A |
@220Vac Cold state test @220Vac |
|
|
2 |
Output character | ||||
|
Item |
Description |
Tech Spec |
Unit |
Remark |
|
|
2.1 |
Output voltage rating |
+5.0 |
Vdc |
|
|
|
2.2 |
Output current range |
0-40.0 |
A |
|
|
|
2.3 |
Output voltage adjustable range |
4.2-5.1 |
Vdc |
|
|
|
2.4 |
Output voltage range |
±1 |
% |
|
|
|
2.5 |
Load regulation |
±1 |
% |
|
|
|
2.6 |
Voltage stability accuracy |
±2 |
% |
|
|
|
2.7 |
Output ripple and noise |
≤200 |
mVp-p |
Rated input, output full load, 20MHz bandwidth, load side and 47uf / 104 capacitor |
|
|
2.8 |
Start output delay |
≤3.0 |
S |
Vin=220Vac @25℃ test |
|
|
2.9 |
Output voltage raise time |
≤90 |
ms |
Vin=220Vac @25℃ test |
|
|
2.10 |
Switch machine overshoot |
±5 |
% |
Test conditions: full load, CR mode |
|
|
2.11 |
Output dynamic |
The voltage change is less than±10% VO; the dynamic response time is less than 250us |
mV |
LOAD 25%-50%-25% 50%-75%-50% |
|
|
3 |
Protection character | ||||
|
Item |
Description |
Tech Spec |
Unit |
Remark |
|
|
3.1 |
Input under-voltage protection |
135-165 |
VAC |
Test conditions: full load |
|
|
3.2 |
Input under-voltage recovery point |
140-170 |
VAC |
|
|
|
3.3 |
Output current limiting protection point |
46-60 |
A |
HI-CUP hiccups self-recovery, avoid long-term damage to power after a short-circuit power. |
|
|
3.4 |
Output short circuit protection |
Self-Recovery |
A |
||
|
3.5 |
over temperature protection |
/ |
|
|
|
|
4 |
Other character | ||||
|
Item |
Description |
Tech Spec |
unit |
Remark |
|
|
4.1 |
MTBF |
≥40,000 |
H |
|
|
|
4.2 |
Leakage Current |
＜1(Vin=230Vac) |
mA |
GB8898-2001 test method |
|
|
Item |
Description |
Tech Spec |
Remark |
|
|
1 |
Electric Strength |
Input to output |
3000Vac/10mA/1min |
No arcing, no breakdown |
|
2 |
Electric Strength |
Input to ground |
1500Vac/10mA/1min |
No arcing, no breakdown |
|
3 |
Electric Strength |
Output to ground |
500Vac/10mA/1min |
No arcing, no breakdown |
Input voltage & load cure
Temperture & load cure
Effi & load cure
Installation hole size
1, the safe use, to avoid hand contact with heat sink, resulting in electric shock. 2, PCB board mounting hole stud diameter of not more than 8mm.