Is o la t ed a nd Re gu lated 1 5 Watt Mo dular DC/DC Conv er ter s
Wide 2 : 1 Input Range
High Efficiency
Regulated Outputs
1600V Isolation
Full EMI Shielding
Standard Pinouts
ST15
series
Unit measures 1”W x 2”L x 0.41”H
Model Number
ST15-123.3S
ST15-243.3S
ST15-483.3S
ST15-125S
ST15-245S
ST15-485S
ST15-1212S
ST15-2412S
ST15-4812S
ST15-1215S
ST15-2415S
ST15-4815S
ST15-1224S
ST15-2424S
ST15-4824S
Output Voltage
3.3 VDC
Output Amps
4
4
4
3
3
3
1.25
1.25
1.25
1
1
1
0.625
0.625
0.625
Input Range
9-18VDC
18-36VDC
36-75VDC
9-18VDC
18-36VDC
36-75VDC
9-18VDC
18-36VDC
36-75VDC
9-18VDC
18-36VDC
36-75VDC
9-18VDC
18-36VDC
36-75VDC
5 VDC
12 VDC
15 VDC
24 VDC
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ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
Is o la t ed a nd Re gu lated 1 5 Watt Mo dular DC/DC Conv er ter s
INPUT SPECIFICATIONS
Input Voltage, Nominal
Input Voltage Ranges
Input Surge Voltage
12VDC, 24VDC, 48VDC
9-18, 18-36, 36-75 VDC
50V (12/24V Models),
*
100V (48V Models),
*
10 mS duration, min.
4A: 12/24Vin Models
2A: 48Vin Models
PI Type
ST15
series
PHYSICAL SPECIFICATIONS
Dimensions
Case Material
2”x1”x0.413”
Nickel Coated Copper
with Non-Conductive Base
Connected to O/P Ground
Fully Encapsulated
1.1 oz, (30g)
Input Fusing
Input Filter
Construction
Weight
GENERAL SPECIFICATIONS
Input-Out Isolation
Input-Output Resistance
In/Out Capacitance
Switching Frequency
1600VDC
10-9th Ohms
1000 pF
400Khz
OUTPUT SPECIFICATIONS
Voltage and Current
Max. Output Power
Voltage Accuracy
Load Regulation
Line Regulation
Temperature Coefficient
Ripple
Noise
Overvoltage Protection
Overcurrent Protection
Short Circuit Protection
Efficiency
See Selection Chart
13.2 Watts 3.3VDC O/P
15 Watts all others
+/-2%
10% - FL
+/-1%
HL-LL
+/-0.5%
+/-0.02%/°C
<0.2% Vout + 20mV (Vp-p) max.
<0.5% Vout + 50mV (Vp-p) max.
Zener Diode Clamp
*
120% of Rated, Auto Recovery
Current Limit, self-recovering
3.3 Vout = 79%
5 Vout = 82%
12, 15 & 24 Vout = 83%
ENVIRONMENTAL SPECIFICATIONS
Oper. Temperature
Storage Temperature
Maximum Case Temp
Humidity
Cooling
MTBF
EMI (Conducted & Radiated)
-20 to +60°C(See Derate)
-55 to +105°C
*
95°C
*
95%RH
*
Free Air Convection
>800,000 Hrs @ 25°C
MIL-HDBK-217F
EN 55022 class A
All specifications are typical at nominal input, full load, and 25DegC unless
otherwise noted
*
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.
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.
WWW.ASTRODYNE.COM
ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
Is o la t ed a nd Re gu lated 1 5 Watt Mo dular DC/DC Conv er ter s
MECHANICAL DIMENSIONS
ST15
Function
+ Input
- Input
+ Output
N/A
- Output
series
Pin #
1
2
3
4
5
TOP SIDE VIEW
WWW.ASTRODYNE.COM
ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
