DC-DC Converter     
  SB03 Series  

 
[ 3 Watts ]
 
     
 
 
General Description
 
 
 
1.5~8W Wide Input Range with Compact Size of DC to DC Converter for PCB Mounting

SB series is been designed in 1.25 X 0.8 X 0.4 standard size delivering output power from 1.5 to 8 watts. Widely input range 2:1 and 4:1 are available and isolation voltage from 500 to 1600 VDC.

 
    Feature
  ◆ Standard Size in 1.25 x 0.8 x 0.4 inches
◆ DIP Product with Six-Side Shielded Aluminum with Non Conductive Base, Black Anodize
◆ Operating Temperature: -25~70 degrees
◆ 4:1 Wide Input Range
◆ Isolation Voltage 1600 VDC
◆ Low Ripple and Noise
◆ Minimum Load 0% (of full load)
◆ Single and Dual Outputs
◆ Efficiency 70~80%
 
    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 : 24V 9   36 VDC  
  Vi : 48V 18   75 VDC  
  Filter type  
                 
  Output Specification  
  Characteristics Conditions min. typ. max. unit  
  Output Power     3   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 3.3S   ±3   %  
  others   ±1   %  
  Ripple Vi nom, Io nom, BW = 20MHz 0.2% Vout +40 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 Current limit, Auto-recovery  
                 
  General Specification  
  Characteristics Conditions min. typ. max. unit  
  Switching Frequency Vi nom, Io nom     300   KHz  
  Isolation Voltage Input  / Output   1600     VDC  
  Isolation Resistance Input  / Output   100      
  Operating Temperature at Full Load   -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 31.8 x 20.3 x 10.2 mm  
  1.25 x 0.8 x 0.4 inches  
  Weight     13 g  
  Case Material Six-side shielded Aluminum with Non-Conductive base,
Black Anodize
 
                 
    Model.
                 
 
Model No. Input Range Output Voltage Output Current Eff
( V.DC ) ( V.DC ) ( mA ) (%)
Single Output Models
SB03-24-3.3S 9 ~ 36 3.3 900 70
SB03-24-5S 9 ~ 36 5 660 71
SB03-24-12S 9 ~ 36 12 330 80
SB03-24-15S 9 ~ 36 15 267 77
SB03-24-24S 9 ~ 36 24 166 78
SB03-48-3.3S 18 ~ 75 3.3 900 71
SB03-48-5S 18 ~ 75 5 660 73
SB03-48-12S 18 ~ 75 12 330 80
SB03-48-15S 18 ~ 75 15 267 79
SB03-48-24S 18 ~ 75 24 166 78
Dual Output Models
SB03-24-5D 9 ~ 36 ±5 ±300 73
SB03-24-12D 9 ~ 36 ±12 ±166 77
SB03-24-15D 9 ~ 36 ±15 ±133 75
SB03-48-5D 18 ~ 75 ±5 ±300 75
SB03-48-12D 18 ~ 75 ±12 ±166 79
SB03-48-15D 18 ~ 75 ±15 ±133 78
 
     
      SB03 SPC.  [ Download DataSheet ]