Megmeet MCP300WL Series LED Display Power Supply
$67.99 – $78.99
Megmeet MCP300WL-5.0 Production Specification
1. Megmeet MCP300WL-5.0 Electrical Specification :
1.1 Block diagram
The power supply unit consists of input stage, PFC stage, DC/DC stage, and control circuit. Input stage includes surge protect circuit, EMC circuit, soft-start-up circuit, etc. This circuits help to meet EMC regular of EN55022 etc. DC/DC stage delivers a desired output voltage. Control circuit carries out many functions as OVP, OLP, OTP, loop control.
Main components functions are described as below:
·BG100- input rectifier
·C101- Input Capacitor
·Q100- PFC Mosfet
·D101- PFC Output Diode
·C101- PFC Output Capacitor
·Q201&Q204- DC/DC Mosfet
·Q200&Q205- DC/DC Output Synchronic-Rectifiers
·C200- Output Capacitor
·U- Isolated Opt couple for feedback control
1.2 Input Electrical Characteristics
Table 1
Input | 90Vac to 264Vac |
Normal | 100Vac to 240Vac |
Frequency | 47Hz-63Hz |
Max | 4.5A max. |
Inrush | 60A typ. peak@230Vac |
Efficiency | 87.5% min@220Vac, full Load |
Leakage | Less Than 3.5 mA,@ 240Vac input |
Normal | 300W |
Input | T5AH/250Vac |
Power | >0.95@ full Load 220Vac input(Universal AC Input With Active PFC) |
1.3.1 Output Voltage & Current Regulation
Table 2
Output | Regulation | Min. | Rated |
+5V | ±5% | 0A | 60A |
Note:* The testing of peak current shall be
performed under the peak current pulse width within 100ms conditions.
1.3.2 Input voltage Derating Guideline
1.3.3 Operate temperature rating Guideline
1.3.4
DC Output Ripple & Noise.
Table 3
Output Voltage | Ripple & Noise (Max.) |
+5V | 150mVp-p@ 25℃ |
300mVp-p@-40℃ |
Note: 1) Ripple & Noise test: Ripple & Noise bandwidth is set to 20MHz.
2) Use a 0.1uF ceramic capacitor in parallel with a 10uF electrolytic capacitor at output connector terminals for
ripple & noise measurements.
1.3.5 Output Transient Response.
Table 4. Test condition.
Voltage | Slew | Load |
+5V /±5% |
1A/uS | 25% to 50% load and 50% to 75% load |
Note: 1) Load change repetition rate: 50Hz to 100Hz. 2) Ripple & Noise test: Ripple & Noise bandwidth is set to 20MHz. 3) Use a 0.1uF ceramic capacitor in parallel with a 10uF electrolytic capacitor at output connector terminals for ripple & noise measurements.
1.3.6 Hold-Up Time
Table 5
Output | 100Vac | 220Vac |
+5V | ≥10 mS | ≥10 mS |
Note: 1) All of dc output at full load. 2) Use a 0.1uF ceramic capacitor in parallel with a 10uF electrolytic capacitor at output connector terminals for ripple & noise measurements.
1.3.7 DC Output Overshoot During Turn-On & Turn-Off
Table 6
Output | Output(V) | Overshoot | |
Turn-on | Turn-off |
+5V | +5V | ≤10% | ≤10% |
Note: All of dc output current from Min. to Max.
1.3.8 DC output voltage rise time
Table 7
Output | 120Vac &Full | 220Vac &Full |
+5V | ≤100 mS | ≤100mS |
Note: The rise time measured is when the output voltages rise from10% to 90% of specified output voltage Vout observed
on the channel waveform.
1.3.9 Power on delay time
Table 8
Output | 220Vac @ | 220Vac @ |
+5V | ≤3S | ≤5S |
Note: The Power delay time measured is when AC power on to 90% of specified output voltage observed on the channel
waveform.
1.1 Protection
1.4.1 DC Output Overcurrent Protection
Table 9
Output | Over | Comments |
+5V | >65A Typ. | Turn off |
Note: The over-current protection should be tested at other load rating.
1.4.2 DC Output Short Circuit Protection
Table 10
Output | Comments |
+5V | Turn off |
1.4.3 Over voltage Protection
Table 11
Output | Comments |
+5V | 6.5V Max. |
Note: The power supply shall restart after recycling power.
1.4.4 OTP
OTP | Comments |
>70℃ | Self-recovery/, 220VAC@4.6V/50A |
2. Isolation
2.1 Insulation Resistance
Table 12
Input | DC500V 10 MΩ min. (at room temperature) |
Input | DC500V 10 MΩ min. (at room temperature) |
Output | DC500V 10 MΩ min. (at room temperature) |
2.2
Dielectric Strength
Table 13
Input | 3000Vac 50Hz 1minute ≤10mA | |||
Input | To | FG | 1500Vac 50Hz 1minute ≤10mA | |
Output | to | FG | 500V | DC 1minute ≤10mA |
Notes: Input line (L&N) should be shorted, and all output should be Shorted.
3. Safety The power supply shall comply with the following criterion:
1) UL60950/IEC60950/EN60950
2) GB4943-2001
4. EMC
4.1 EMI
The power supply shall comply with the following criterion:
1) Conduction Emission: *EN55032, Class B *FCC PART15 Class B
2) Radiated Emission: *EN55032, Class B; *FCC PART15 Class B
Note: Megmeet can work together with customer to modify the power and the system to meet above criterion.
4.2 EMS
The power supply shall comply with the following criterion:
1) ESD *GB17626.2-1998/IEC61000-4-2-Level 3
2) EFT *GB17626.4-1998/IEC61000-4-4-Level 3
3) SURGE *GB17626.5-1998/IEC61000-4-5-Level 3
4) DIP *GB17626.11-1998/IEC61000-4-11
Fall to | Drop time | Performance judgment |
0%Ut | 10ms | B |
70%Ut | 500ms | C |
40%Ut | 200ms | C |
0%Ut | 5000ms | C |
5) Lighting NOT APPLICABLE /
5. Environmental Requirement
5.1 Temperature
* Operating: -40℃ to +60℃
Note: the power can power on and work @ -40℃
* Storage: -40℃ to +85℃.
5.2 Humidity
* Operating: From 10% to 90% relative humidity (non-condensing).
* Storage: From 5 to 95% relative humidity (non-condensing).
5.3 Altitude
* Operating: -60 to 5000 m
* Storage: up to 5000 m
5.4 Cooling Method
* Ventilation cooling.
5.5 Vibration
* 10-55Hz, 19.6m/s²(2G), 20minutes each along X, Y and Z axis.
5.6 Shock
* 49m/s²(5G),11ms, once each X, Y and Z axis.
6. Dimension: 210mm X80mm X 31mm (L*W*H).
7. Weight: 700 g
8. MTBF: The MTBF shall be at least 150, 000 hours at 25 ℃, full load and normal input condition
9.Picture(3D)
10. Power supply mount dimension:
Additional information
Type Number | MCP300WL-3.8, MCP300WL-4.2, MCP300WL-4.5, MCP300WL-5.0 |
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