20W 2:1 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 Input Range
◆ Isolation Voltage 1600 VDC
◆ Remote On/ Off Control Pin
◆ Minimum Load 0% (of full load)
◆ Single Output from 2.5~5 VDC
◆ 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 : 24V
18
36
VDC
Vi : 48V
36
75
VDC
Filter
type
Output Specification
Characteristics
Conditions
min.
typ.
max.
unit
Output Power
12.5
20
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
110
mV
Noise
Vi nom, Io nom, BW = 20MHz
200
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
400
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
type 