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Switching power supplyClass: BATTERY CHARGER
5
General
The switch mode power  supply  developed  our  company  adopting  international  high and  new technology, which applies  to  automation  fields  such  as:  LED  large  screen, engineering control equipment, communication equip -ment,  instruments & meters, etc. This series of products  is  designed  according  to  IEC 950 ,  UC1950 ,  UL1012, TUVEN60950,EMC LVD
and so on. Employing imported elements, its quality is stable and reliable, and theproducts are popular throughout the country and far sold to America a nd  Europe. Welcome to negotiate and cooperate with us.
Features
Imported elements,  high reliability,  built-in filter, low ripple,  each article has  passed  full  load  and  burn - in  test, compac-
tness,  light weight,  inner mounted  with  inrush current  suppressing  circuit  and  output  capacitor  whose working temperature  
is  lower  than 105℃,  it shows  high  efficiency  and long  service life,  so it is suitable for  all-range voltage, short circuit 
protection, overload protection, over-voltage protection.
Performance
AC input voltage
85~132VAC or 170~264 VAC (selectable range)
AC input frequency
47~63Hz
Efficiency
25W:71% 50W: 75% 100W: 79% 200W: 81% ( Full load for 12V single output type)
Output stability
0.5% typical value
Load stability
1% typical value ( For main output circuit)
Micro-adjustment range of output voltage
±10%~ 15% (For main output circuit)
Ripple and noise
1% peak value ( Real measurement value is less than 20mV)
Over-voltage protection
115%~135% ( For main output circuit)
Over-load protection
All output terminals have short-circuit protection and overload protection
Withstand voltage
Type Between primary and secondary Between primary and enclosure Between secondary and enclosure
TUV 3000VAC 1500VAC 500VAC
Others1500VAC 1500VAC 500VAC
Holding time
The typical value is 20ms at full load
Temperature factor
0.02%-0.05%/℃
EMI standard
a (FCC) PART 15A, Grade B (b) En55022, CISPR PUB22A, Grade B
Safety standard
(a)UL1012(b)EN60950(IEC950,UL1950)
Working environment temperature
-10~60℃
Storage environment humidity
-20~+85℃

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