Main Products: 
45W Telecom Power Supply 9V / 3.0A , 9V moden / 2A Output CMD45-48T9
Negotiable /Set
Min.Order:1 Set
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Product Details
Input 20~58V Telecom Power Supply 45W Output 9V/3.0A,9Vmoden/2A CMD45-48T9
Key Features
DC input range:20~58Vdc
Dual outputs: 9V/3.0A,9Vmoden/2A
High efficiency:72%
Line regulation: ≤±1%
Load regulation: ≤±3%
Low ripple&noise:≤50mV
short circuit protection
Output over current protection
Output over voltage protection
Input over voltage protection
Input under voltage lock-out
DC/OK signal
IN/OK signal
Soft 9V On/Off function
Natural cool
RoHS compliant
UL94V-0 flame-retarded rating
Product Overview
This DC-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 |
48 |
Vdc |
|||
|
DC input voltage range |
20 |
58 |
Vdc |
||
|
Max. input current |
3.5 |
A |
Min. input voltage, full load |
||
|
Efficiency |
72 |
% |
Rated input voltage, rated load |
Output Characteristics
|
Parameter |
Min |
Typ |
Max |
Units |
Notes |
|
|
Output voltage range |
9Vmoden |
8.75 |
9 |
9.25 |
Vdc |
Full input range and full load range |
|
9V |
8.75 |
9 |
9.25 |
Vdc |
||
|
9V Battery charging |
Battery Management |
|||||
|
Output current range |
9Vmoden |
0.3 |
2 |
A |
||
|
9V |
0.3 |
3 |
A |
|||
|
Line Regulation |
±0.3 |
±1 |
% |
|||
|
Load Regulation |
±1 |
±3 |
% |
|||
|
Ripple & noise |
9Vmoden |
50 |
mV |
Nominal input; full load; 20 MHz bandwidth,(parallel output electrolytic capacitor 10uF/50V and 104 polyester capacitor) |
||
|
9V |
50 |
mV |
Nominal input; full load; 20 MHz bandwidth,(parallel output electrolytic capacitor 10uF/50V and 104 polyester capacitor) |
|||
|
Dynamic response |
Deviation |
±7 |
% |
25% to 50% to 25% Iout max, 50% to 75% to 50% Iout max, 0.1A/us |
||
|
Settling time |
500 |
uS |
To within 1% Vout nom. |
|||
|
Turn-on rise time |
500 |
ms |
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