Is o la t ed a nd Re gu lated 3 WATT Modu lar DC/DC Conv er ter s
5 Sided EMI Shielding
Regulated Outputs
1600V Isolation
Short Circuit Protection
4:1 Input Range
Input PI Filter
Unit measures 0.8”W x 1.25”L x 0.4”H
SB03
series
Model Number
SINGLE OUTPUT
SB03-123.3S
SB03-483.3S
SB03-125S
SB03-485S
SB03-1212S
SB03-4812S
SB03-1215S
SB03-4815S
SB03-1224S
SB03-4824S
DUAL OUTPUT
SB03-125D
SB03-485D
SB03-1212D
SB03-4812D
SB03-1215D
SB03-4815D
Output Voltage
Output Amps
Input Range
3.3VDC
5 VDC
12 VDC
15 VDC
24VDC
0.9
0.9
0.66
0.66
0.33
0.33
0.267
0.267
0.166
0.166
+/-0.300
+/-0.300
+/-0.166
+/-0.166
+/-0.133
+/-0.133
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
+/-5 VDC
+/-12 VDC
+/-15 VDC
WWW.ASTRODYNE.COM
ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
Is o la t ed a nd Re gu lated 3 WATT Modu lar DC/DC Conv er ter s
INPUT SPECIFICATIONS
Input Voltage Ranges:
12 VDC Nominal
48 VDC Nominal
9-36 VDC
18-72 VDC
SB03
1600VDC
10-9nth Ohm min.
300Khz
series
GENERAL SPECIFICATIONS
Input-Out Isolation
Isolation Resistance
Switching Frequency
OUTPUT SPECIFICATIONS
Voltage and Current
Load Regulation
Line Regulation
Temperature Coefficient
Ripple/Noise(Single/Dual)
Voltage Accuracy
Short Circuit Protection
Efficiency
See Selection Chart
10% to FL
(HL-LL)
+/-0.02%/°C
0.7% +70mVp-p max.
+/- 2%
Continuous
123.3S, 125D, 483.3S,
485D
125S, 485S,
1212S, 1215S, 1224S,
1212D, 1215D, 4812S
4824S, 4812D, 4815D
+/- 1%
+/- 0.5%
ENVIRONMENTAL SPECIFICATIONS
Oper. Temperature
Storage Temperature
Cooling
-20 to +60°C(FL)
-55 to +105°C
*
Free Air Convection
PHYSICAL SPECIFICATIONS
75%
76%
Case Material
Construction
Weight
Nickel-Coated Copper with
Non-Conductive Base
Fully Encapsulated
0.9 oz, (25g)
79%
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 3 WATT Modu lar DC/DC Conv er ter s
MECHANICAL DIMENSIONS
Pin #
2
3
9
10
11
14
15
16
22
23
Single Outputs
-Vin
-Vin
NC
NC
NC
+ Output
NC
- Output
+Vin
+Vin
SB03
Dual Outputs
-Vin
-Vin
Common
NC
- Output
+ Output
NC
Common
+Vin
+Vin
series
ALL DIMENSIONS IN mm
PIN PITCH TOLERANCE +/- 0.35mm
OUTPUT DERATING CURVE
WWW.ASTRODYNE.COM
ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458