Taste the election office Partaker
Model:LR-120035 (12V 3.5A)
Type:ITX Power, DC-ITX Power Adapter, LCD, LED Display Adapter and Laptop Adapter
Parameter:
1, Standard round mouth output interface: 2.5mm inner diameters, 5.5mm outer diameter; 12V output voltage, 42W output power
2, Input voltage: 90-260Vac
3, Features: overcurrent protection, overvoltage protection and overheat protection etc.
4, Weight: 0.18KG
The purpose of the document is to specify the functional requirements of a 42W switching power supply.
2.3 Input Current:
1.2Amps max At any input voltage and rated, DC output rated load.
0.25mA Max.At240Vac input.
3、OUTPUT CHARACTERISTICS:
3.1 Power output
|
Voltage
|
Min. Load
|
Rated. Load
|
Stand by power
|
Output power
|
|
12Vdc
|
0.01A
|
3.5A
|
0.5W Max
|
42W
|
|
Voltage
|
Min. Load
|
Rated. Load
|
Line Regulation
|
Load Regulation
|
|
12Vdc
|
0.01A
|
3.5A
|
±1%
|
±5%
|
3.3 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.
+12Vdc 120mV p-p
3.4 Turn on delay time:
3Second Max.at 115Vac input and output Max.load.
3.5 Rise time:
40 mS Max.at 115Vac input and output Max load.
3.6 Hold up time:
5 mS Min.at 115Vac input and output Max.Load.
3.7 Efficiency:
75% Min, At 115/230Vac input voltage,1/4，1/2，3/4 and full load calculation average efficiency.
The power supply will auto recovered when faults remove 120%~170%.
IEC 721-3-2 2M2
5-9Hz,A=3.5mm
each 19mm to 20mm thick,all supported on a concrete or equivalent non-resilient floor.
Primary to secondary:1800Vac10mA/3S for type test.
6.3 Iusulation resistance:
Primary to secondary:10MΩ min at 500V DC.
<3>.GB9254-1998,GB17625.1-2003
