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400W Telecom Power Supply dual output 12V / 28A , 3.3V / 1A SC400-220T12
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Min.Order:1 Set
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Product Details
Telecom Power Supply 400W Output 12V/28A,3.3V/1A SC400-220T12
Key Features
Input range: 140~300Vac
Dual outputs:12V/28A,3.3V/1A
High efficiency:87%
Line regulation: ≤±3%
Load regulation: ≤±3%
Power factor: 95%
short circuit protection
Output over current protection
Output over voltage protection
Input over voltage protection
Input under voltage lock-out
Over temperature protection
RoHS compliant
Product Overview
This AC-DC converter use advanced power processing, control and packaging technologies to provide the performance, flexibility, reliability and cost effectiveness of a mature power component. High frequency switching provides high power density with low noise and high efficiency.
Electric Characteristics
Input Characteristics
|
Parameter |
Min |
Typ |
Max |
Units |
Notes |
|
Rated input voltage |
220 |
Vac |
|||
|
AC input voltage range |
140 |
300 |
Vac |
||
|
AC input frequency range |
47 |
63 |
Hz |
||
|
Max. input current |
3.5 |
A |
Min. input voltage, full load |
||
|
Input inrush current |
50 |
A |
Max. input voltage,25℃, first start |
||
|
Efficiency |
87 |
% |
Rated input voltage, rated load |
||
|
Power factor |
95 |
% |
Output Characteristics
|
Parameter |
Min |
Typ |
Max |
Units |
Notes |
|
|
Output voltage range |
12V |
11.6 |
12 |
12.6 |
Vdc |
|
|
3.3V |
3.2 |
3.3 |
3.4 |
Vdc |
||
|
Output current range |
12V |
0 |
28 |
A |
||
|
3.3V |
0 |
1 |
A |
|||
|
Line Regulation |
±3 |
% |
||||
|
Load Regulation |
±3 |
% |
||||
|
Temperature Regulation |
±0.02 |
% / °C |
Over operating temperature range |
|||
|
Ripple & noise |
12V |
120 |
mV |
Rated input, full load, 20 MHz bandwidth |
||
|
3.3V |
50 |
mV |
Rated input, full load, 20 MHz bandwidth |
|||
|
Dynamic response |
Deviation |
±5 |
% |
25% to 50% to 25% Iout max, 50% to 75% to 50% Iout max, 1A/us |
||
|
Settling time |
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