Hunan Huaxin Electronic Technology Co., Ltd.
17-Years Professional Manfacturer of LED Power Supply.
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LED screen power supply, led display power supply, 5v single output DC 5v 40a
Specification
| Input | Output | Dimesion (mm) | IP grade | Protection | Efficiency |
| 200~240v AC | 5v 40amps | 200*110*50 | IP 20 | over voltage, over load, short circuit | >78% |
Installation
Features:
DUAL TRANSISTOR FORWARDER SCHEME: Adopt advanced power management chip scheme which is mature and reliable for many years Two-transistor forward uses two mosfets. mosfet has small impedance, low loss, high efficiency,low temperature rising.
MANUFACTURING PROCESS: By applying smd chip technology and smd components,significantly improve product stability, reduce the power supply's weight.
TRANSFORMER: Pure copper winding, secondary winding specially added copper slice as a heat conduction material, effectively control temperature rising.
OUTPUT INDUCTOR: More coil turns and higher permeability leads to high inductance.Output inductor using sendust as core material. With high inductance,power supply's size is smaller and weight is lighter.
EMI CIRCUIT: Adopt first order EMI filter circuit to meet EMI requirements and design standard, effectively avoid display interference
caused by power supply.
PROTECTION CIRCUIT: With built-in separate overload, short circuit protection circuit to ensure that in case user's system is abnormal, no safety problems occurs, neither damage occurs to the system. Provide stable, reliable and safe power supply to customers.
INPUT CHARACTERISTICS:
Rated Input Voltage:200~240Vac
Rated Input Frequency:50/60Hz
Input Current:2.7Amps max At any input voltage and rated, DC output rated load.
Inrush Current:50 Amps Max. Cold start at 240Vac input, with rated load and ambient 25 ℃ .
AC Leakage Current: 3.5mA Max. at 240 V ac input.
OUTPUT CHARACTERISTICS:
| Voltage | Min Load | Rated Load | Peak@10ms | Rated Output Power |
| 5V DC | 0 amps | 40 amps | 230 W | 200w |
Combined Load/Line Regulation:
| Voltage | Min Load | Rated Load | Line Regulation | Load Regulation |
| 5V DC | 0 amps | 40 amps | +/- 3% | +/- 5% |
Ripple and Noise:
Under nominal voltage and nominal load,the ripple and noise are as follows when measure with Max.Bandwidth of 20MHz and Parallel 47uF/0.1uF,crossed connected at testing point.
| Voltage | Ripple and Noise(Max.) |
| 5V DC | 200mV p-p |
Turn on delay time:
2 Seconds max.at 220V ac input and output max load.
Rise time:
400 ms max.at 220V ac input and output max load.
Efficiency:
78% min, at 220V ac input voltage and full load calculation efficiency.
Overshoot:
5% max when power supply at turn or turn off.
PROTECTION FUNCTION:
Over current Protection:
The power supply will be auto recovered when over current faults remove.
Operating Temperature:
-20℃ to 40℃ ,Full load , Normal operation.
Storage Temperature:
-20℃ to 40℃ ,with package..
Relative Humidity:
5%(0 ℃ )~90%(40℃ )RH, Full load, Normal operating.
SAFETY AND EMI REQUIREMENT:
Design by IEC60950 standard.
DIELECTRIC STRENGTH Hi-Pot:
Primary to secondary: 1500Vac/10mA/60S for type test.
Primary to case: 1500Vac/10mA/60S for type test.
Secondary to case: 300Vac/10mA/60S for type test.