DC-DC Converter     
  SU20 Series  

 
[ 20 Watts ]
 
     
 
 
General Description
 
 
 
20W 2:1 & 4:1 Wide Input Range with Compact Size of DC to DC Converter for PCB Mounting

SU series is been designed in 2 X 2 standard size delivering output power 20 and 40 watts. Widely input range 2:1 and 4:1 with isolation voltage 1600 VDC; also offer optional remote on/ off control function.

 
    Feature
  ◆ Standard Size in 2.0 x 2.0 x 0.45 inches
◆ DIP Product with Nickel-Coated Copper with Non-Conductive Base, Six-Side Shielded
◆ Package: Module for PCB Mountable and Screw Terminal
◆ Operating Temperature: -25~70 degrees
◆ 2:1 & 4:1 Wide Input Range
◆ Regulated Output
◆ Low Ripple and Noise
◆ Vout Trim and ON/OFF Control Function
◆ Remote On/ Off Control Pin
◆ Minimum Load 0% (of full load)
◆ Single, Dual and Triple Outputs

 
    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 : 12V (2:1) 9   18 VDC  
  Vi : 24V (2:1) 18   36 VDC  
  Vi : 24V (4:1) 10   40 VDC  
  Vi : 48V (2:1) 36   75 VDC  
  Vi : 48V (4:1) 18   75 VDC  
  Filter type  
                 
  Output Specification  
  Characteristics Conditions min. typ. max. unit  
  Output Power     13.2   20 W  
  Voltage Accuracy Vi nom, Io nom       ±2 %  
  Minimum Load Vi nom   0     %  
  Line Regulation Vi min ...Vi max, Io nom Single   ±0.5   %  
  Dual   ±0.5   %  
  Triple ±1 / ±5 typ. %  
  Load Regulation Vi nom, 10%Io...Io nom Single   ±0.5   %  
  Dual   ±3   %  
  Triple ±3 / ±5 typ. %  
  Ripple Vi nom, Io nom, BW = 20MHz 0.2% Vout +20 max. mV  
  Noise Vi nom, Io nom, BW = 20MHz 0.5% Vout +50 max. mV  
  Temperature Coefficient Vi nom, Io nom       ±0.02 % / ℃  
  Short Circuit Protection Hiccup mode, Auto-recovery  
                 
  General Specification  
  Characteristics Conditions min. typ. max. unit  
  Switching Frequency Vi nom, Io nom 2:1 Range   200   KHz  
      4:1 Range   250   KHz  
  Isolation Voltage Input  / Output   1600     VDC  
  Isolation Resistance Input  / Output   100      
  Operating Temperature 2:1 Range: at Full Load -25   +70  
    4:1 Range: with derating -25   +70  
  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 50.8 x 50.8 x 11.4 mm  
  2.0 x 2.0 x 0.45 inches  
  Weight     70 g  
  Case Material Nickel-Coated Copper with Non-Conductive Base, Six-side shielded.  
                 
    Model.
                 
 
Model No. Input Range Output Voltage Output Current Eff
( V.DC ) ( V.DC ) ( mA ) (%)
Single Output Models
2:1 Range
SU20-12-3.3S 9 ~ 18 3.3 4000 76
SU20-12-5S 9 ~ 18 5 4000 78
SU20-12-12S 9 ~ 18 12 1670 81
SU20-12-15S 9 ~ 18 15 1330 82
SU20-12-24S 9 ~ 18 24 833 83
SU20-24-3.3S 18 ~ 36 3.3 4000 78
SU20-24-5S 18 ~ 36 5 4000 81
SU20-24-12S 18 ~ 36 12 1670 86
SU20-24-15S 18 ~ 36 15 1330 85
SU20-24-24S 18 ~ 36 24 833 88
SU20-48-3.3S 36 ~ 75 3.3 4000 76
SU20-48-5S 36 ~ 75 5 4000 82
SU20-48-12S 36 ~ 75 12 1670 84
SU20-48-15S 36 ~ 75 15 1330 85
SU20-48-24S 36 ~ 75 24 833 87
4:1 Range
SU20-24F-3.3S 10 ~ 40 3.3 4000 82
SU20-24F-5S 10 ~ 40 5 4000 84
SU20-24F-12S 10 ~ 40 12 1670 82
SU20-24F-15S 10 ~ 40 15 1330 82
SU20-24F-24S 10 ~ 40 24 833 82
SU20-48F-3.3S 18 ~ 75 3.3 4000 83
SU20-48F-5S 18 ~ 75 5 4000 85
SU20-48F-12S 18 ~ 75 12 1670 82
SU20-48F-15S 18 ~ 75 15 1330 82
SU20-48F-24S 18 ~ 75 24 833 82
Dual Output Models
2:1 Range
SU20-12-5D 9 ~ 18 ±5 ±2000 77
SU20-12-12D 9 ~ 18 ±12 ±833 81
SU20-12-15D 9 ~ 18 ±15 ±600 82
SU20-24-5D 18 ~ 36 ±5 ±2000 82
SU20-24-12D 18 ~ 36 ±12 ±833 84
SU20-24-15D 18 ~ 36 ±15 ±600 85
SU20-48-5D 36 ~ 75 ±5 ±2000 83
SU20-48-12D 36 ~ 75 ±12 ±833 85
SU20-48-15D 36 ~ 75 ±15 ±600 84
4:1 Range
SU20-24F-5D 10 ~ 40 ±5 ±2000 81
SU20-24F-12D 10 ~ 40 ±12 ±833 82
SU20-24F-15D 10 ~ 40 ±15 ±600 82
SU20-48F-5D 18 ~ 75 ±5 ±2000 81
SU20-48F-12D 18 ~ 75 ±12 ±833 83
SU20-48F-15D 18 ~ 75 ±15 ±600 82
Triple Output Models
2:1 Range
SU20-12-5S12D 9 ~ 18 5 / ±12 2500 / ±300 81
SU20-12-5S15D 9 ~ 18 5 / ±15 2500 / ±250 82
SU20-24-5S15D 18 ~ 36 5 / ±12 2500 / ±300 82
SU20-24-5S15D 18 ~ 36 5 / ±15 2500 / ±250 81
SU20-48-5S15D 36 ~ 75 5 / ±12 2500 / ±300 83
SU20-48-5S15D 36 ~ 75 5 / ±15 2500 / ±250 82
 
     
      SU20 SPC.  [ Download DataSheet ]