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Help CenterDC110V to DC48V20A DC-DC Converter
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Specifications
1.Wide input voltage range2.High reliability, safety and credibility
3.Input and output complete isolation, strong protect
DC110V to DC48V20A DC-DC Converter
Model: DD110T4820
Introduction:
DC/DC Converter is specially designed for meeting the requirements of all kinds of communication equipments of communication and electric power departments, which adopts the high frequency switching technology and has many good points, including high accuracy voltage stabilizing, low output noise, strong capacity of resisting disturbance, small volume, light weight, beautiful external shape, etc.
The DD110T4820 use the PWM (pulse width modulation) technology with automatic current sharing function and N +1 backup function (N+1 combination of modules structure), which can be used in parallel. When the power supply module failure, it can safely auto-exit and alarm, which ensure that the power supply system works normally.
Features:
- With N +1 backup function
- Input and output complete isolation, safety and credibility
- Advance current control mode and stable & reliable circuit topological structure
- Using the inside air-cooling methods, with lower noise
- High reliability, Maintain Simply, quickly and easily
- Strong protection functions: output over/under voltage, overcurrent, short-circuit and input over/ under voltage, and overtemperature protection
- EMC characteristics: Consistent with the standard EN55022 CLASS B & IEC61000-4 LEVEL 3
Technical Parameter:
Technical Index |
Performance Parameter |
Input Voltage Range |
90~120Vdc |
Output Voltage Range |
40~60Vdc |
Output Rated Value |
48 Vdc |
Output Current |
20 Adc |
Load Regulation |
≤0.5% |
Power Grid Regulation |
≤0.2% |
Degree of unbalanceness for equalized current |
≤±3% |
Phone Weighted Noise Voltage |
300~3400Hz ≤2mV (CCITT) |
Peak - Peak Noise Voltage |
≤100mV |
Wide Frequency Noise Voltage |
3.4 ~ 150KHz ≤100mV 0.15 ~ 30MHz ≤30mV |
Discrete Noise Voltage |
3.4 ~ 150KHz ≤5 mV 150 ~ 200KHz ≤3 mV 250 ~ 500MHz ≤2 mV 0.5 ~ 30MHz ≤1 mV |
Efficiency |
≥90% |
Dynamic Response |
20% ~ 100% Step Load ≤200 us 170V ~ 265Vac Step to power grid ≤200 us |
Output Overvoltage Protection |
50±1 Vdc |
Output Current Limiting Protection |
22±0.5 Adc |
Input High-voltage Current-limiting Protection |
≤36±1 Vdc |
Overtemperature Protection |
85±5°C |
Working Temperature |
-10~50°C |
MTBF |
100,000 Hrs. |
Weight |
8 Kg |
Dimension (W×H×D) |
Rack-mounted: 483mm×88mm×325mm (19inch, 2U) |
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