DC-DC Converter     
  NI20 Series  

 
[ 20 Watts ]
 
     
 
 
General Description
 
 
 
Non-Isolated DC to DC Converter Deliver 8 Amp and 10 Amp Output Current

NI series is the non isolation dc-dc converter delivering 8 and 10 Amp output current; efficiency of this series could up to 92%.

 
    Feature
  ◆ Standard Size in 2.5 x 0.275 x 0.55 inches
◆ Output Current: 8 Amp & 10 Amp
◆ Operating Temperature: -25~50 degrees
◆ Output Power: 12~33 Watts
◆ Minimum Load 0% (of full load)
◆ Efficiency 82~92%
 
    Specification
  All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
  Input Specification  
  Characteristics Conditions min. typ. max. unit  
  Voltage Range  Io nom  Vi : 5V 4.5   5.5 VDC  
  Vi : 12V 4.5   13.5 VDC  
  Vi : 12V 7   13.5 VDC  
  Filter Capacitor  
                 
  Output Specification  
  Characteristics Conditions min. typ. max. unit  
  Output Power     12   26.4 W  
  Voltage Accuracy Vi nom, Io nom       ±2 %  
  Minimum Load Vi nom   0     %  
  Line Regulation Vi min ...Vi max, Io nom     ±0.5   %  
  Load Regulation Vi nom, 10%Io...Io nom     ±1   %  
  Ripple Vi nom, Io nom, BW = 20MHz     200 mV  
  Noise Vi nom, Io nom, BW = 20MHz     200 mV  
  Temperature Coefficient  Vi nom, Io nom       ±0.02 % / ℃  
  Short Circuit Protection Current limit, Shut Down  
                 
  General Specification  
  Characteristics Conditions min. typ. max. unit  
  Switching Frequency Vi nom, Io nom     200   KHz  
  Operating Temperature with derating   -25   +50  
  Storage Temperature Non operational   -55   +105  
  Humidity         95 % RH  
  Cooling Free air convection  
                 
  Physical Specification  
  Characteristics Conditions min. typ. max. unit  
  Dimension Tolerance ±0.5 63.6 x 7.0 x 14.0 mm  
  2.5 x 0.275 x 0.55 inches  
  Weight     10.5 g  
                 
    Model.
                 
 
Model No. Input Range Output Voltage Output Current Eff
( V.DC ) ( V.DC ) ( mA ) (%)
Single Output Models
NI20-5-1.5S 4.5 ~ 5.5 1.5 8000 82
NI20-5-1.8S 4.5 ~ 5.5 1.8 8000 86
NI20-5-2.1S 4.5 ~ 5.5 2.1 8000 88
NI20-5-2.5S 4.5 ~ 5.5 2.5 8000 89
NI20-5-3.3S 4.5 ~ 5.5 3.3 8000 91
NI20-12-1.5S 4.5 ~ 13.5 1.5 8000 81
NI20-12-1.8S 4.5 ~ 13.5 1.8 8000 84
NI20-12-2.1S 4.5 ~ 13.5 2.1 8000 85
NI20-12-2.5S 4.5 ~ 13.5 2.5 8000 86
NI20-12-3.3S 4.5 ~ 13.5 3.3 8000 89
NI20-12-5S 7 ~ 13.5 5 4000 92
 
     
      NI20 SPC.  [ Download DataSheet ]