Isolated and Regulated 15 Watt Modular DC/DC Converters ST15 series
WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
Wide 2 : 1 Input Range
High Efciency
Regulated Outputs
1600V Isolation
Full EMI Shielding
Standard Pinouts
Model Number Output Voltage Output Amps Input Range
ST15-123.3S 3.3 VDC 4 9-18VDC
ST15-243.3S 4 18-36VDC
ST15-483.3S 4 36-75VDC
ST15-125S 5 VDC 3 9-18VDC
ST15-245S 3 18-36VDC
ST15-485S 3 36-75VDC
ST15-1212S 12 VDC 1.25 9-18VDC
ST15-2412S 1.25 18-36VDC
ST15-4812S 1.25 36-75VDC
ST15-1215S 15 VDC 1 9-18VDC
ST15-2415S 1 18-36VDC
ST15-4815S 1 36-75VDC
ST15-1224S 24 VDC 0.625 9-18VDC
ST15-2424S 0.625 18-36VDC
ST15-4824S 0.625 36-75VDC
Unit measures 1”W x 2”L x 0.41”H
ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
Isolated and Regulated 15 Watt Modular DC/DC Converters ST15 series
WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
INPUT SPECIFICATIONS
Input Voltage, Nominal 12VDC, 24VDC, 48VDC
Input Voltage Ranges 9-18, 18-36, 36-75 VDC
Input Surge Voltage 50V (12/24V Models), *
100V (48V Models), *
10 mS duration, min.
Input Fusing 4A: 12/24Vin Models
2A: 48Vin Models
Input Filter PI Type
OUTPUT SPECIFICATIONS
Voltage and Current See Selection Chart
Max. Output Power 13.2 Watts 3.3VDC O/P
15 Watts all others
Voltage Accuracy +/-2%
Load Regulation 10% - FL +/-1%
Line Regulation HL-LL +/-0.5%
Temperature Coefcient +/-0.02%/°C
Ripple <0.2% Vout + 20mV (Vp-p) max.
Noise <0.5% Vout + 50mV (Vp-p) max.
Overvoltage Protection Zener Diode Clamp *
Overcurrent Protection 120% of Rated, Auto Recovery
Short Circuit Protection Current Limit, self-recovering
Efciency 3.3 Vout = 79%
5 Vout = 82%
12, 15 & 24 Vout = 83%
PHYSICAL SPECIFICATIONS
Dimensions 2”x1”x0.413”
Case Material Nickel Coated Copper
with Non-Conductive Base
Connected to O/P Ground
Construction Fully Encapsulated
Weight 1.1 oz, (30g)
GENERAL SPECIFICATIONS
Input-Out Isolation 1600VDC
Input-Output Resistance 10-9th Ohms
In/Out Capacitance 1000 pF
Switching Frequency 400Khz
ENVIRONMENTAL SPECIFICATIONS
Oper. Temperature -20 to +60°C(See Derate)
Storage Temperature -55 to +105°C *
Maximum Case Temp 95°C *
Humidity 95%RH *
Cooling Free Air Convection
MTBF >800,000 Hrs @ 25°C
MIL-HDBK-217F
EMI (Conducted & Radiated) EN 55022 class A
* These are stress ratings. Exposure of the devices to any of these conditions
may adversely affect long term reliability. Proper operation under conditions
other than the standard operating conditions is neither warranteed nor implied.
All specications are typical at nominal input, full load, and 25DegC unless
otherwise noted Astrodyne products are not authorized or warranteed for use
as critical components in life support systems, equipment used
in hazardous environments, nuclear controls systems, or other
mission-critical applications.
Isolated and Regulated 15 Watt Modular DC/DC Converters ST15 series
WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
MECHANICAL DIMENSIONS
Pin # Function
1 + Input
2 - Input
3 + Output
4 N/A
5 - Output
TOP SIDE VIEW
