DC-DC Converter     
  ST15 Series  

 
[ 15 Watts ]
 
     
 
 
General Description
 
 
15W 2:1 & 4:1 Wide Input Range with Compact Size of DC to DC Converter for PCB Mounting

ST series is been designed in 2 X 1 standard size delivering output power from 10~20 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 1.97 x 1.0 x 0.425 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
◆ Isolation Voltage 1600 VDC
◆ Remote On/ Off Control Pin
◆ Minimum Load 0~3% (of full load)
◆ Single and Dual Outputs
◆ Safety Approval by UL and CE
  
    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     9.9   15 W  
  Voltage Accuracy Vi nom, Io nom       ±2 %  
  Minimum Load Vi nom   0   3 %  
  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 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     MΩ  
  Operating Temperature 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 50.1 x 25.4 x 10.8 mm  
  1.97 x 1.0 x 0.425 inches  
  Weight     32 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
ST15-12-3.3S 9 ~ 18 3.3 3000 77
ST15-12-5S 9 ~ 18 5 3000 80
ST15-12-12S 9 ~ 18 12 1250 82
ST15-12-15S 9 ~ 18 15 1000 84
ST15-12-24S 9 ~ 18 24 625 84
ST15-24-3.3S 18 ~ 36 3.3 3000 77
ST15-24-5S 18 ~ 36 5 3000 82
ST15-24-12S 18 ~ 36 12 1250 85
ST15-24-15S 18 ~ 36 15 1000 86
ST15-24-24S 18 ~ 36 24 625 87
ST15-48-3.3S 36 ~ 75 3.3 3000 79
ST15-48-5S 36 ~ 75 5 3000 83
ST15-48-12S 36 ~ 75 12 1250 86
ST15-48-15S 36 ~ 75 15 1000 87
ST15-48-24S 36 ~ 75 24 625 87
4:1 Range
ST15-24F-3.3S 10 ~ 40 3.3 3000 70
ST15-24F-5S 10 ~ 40 5 3000 76
ST15-24F-12S 10 ~ 40 12 1250 77
ST15-24F-15S 10 ~ 40 15 1000 75
ST15-48F-3.3S 18 ~ 75 3.3 3000 71
ST15-48F-5S 18 ~ 75 5 3000 78
ST15-48F-12S 18 ~ 75 12 1250 79
ST15-48F-15S 18 ~ 75 15 1000 79
Dual Output Models
4:1 Range
ST15-24F-5D 10 ~ 40 ±5 ±1500 78
ST15-24F-12D 10 ~ 40 ±12 ±630 79
ST15-24F-15D 10 ~ 40 ±15 ±500 79
ST15-48F-5D 18 ~ 75 ±5 ±1500 78
ST15-48F-12D 18 ~ 75 ±12 ±630 79
ST15-48F-15D 18 ~ 75 ±15 ±500 79
 
     
      ST15 SPC.  [ Download DataSheet ]