ASTRODYNE ASD20

asd 2 0
I s o l a t e d a n d R e gulated 20 WATT Modular DC/DC Converters
series
Wide 4:1 Input Range
1500V Isolation
Short Circuit Protection
Remote On/Off Control
High Efficiency
Input PI Filter
Unit measures 1.6”W x 2”L x 0.45”H
Model Number
Output Voltage
Output Amps
Input Range
Efficiency
SINGLE OUTPUT
ASD20-12S3
3.3 VDC
ASD20-48S3
ASD20-12S5
5 VDC
ASD20-48S5
ASD20-12S12
12 VDC
ASD20-48S12
ASD20-12S15
15 VDC
ASD20-48S15
4
4
4
4
1.67
1.67
1.33
1.33
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
78.00%
78.00%
81.00%
82.00%
83.00%
84.00%
83.00%
84.00%
DUAL OUTPUT
ASD20-12D5
+/-5 VDC
ASD20-48D5
ASD20-12D12
+/-12 VDC
ASD20-48D12
ASD20-12D15
+/-15 VDC
ASD20-48D15
+/-2.0
+/-2.0
+/-833
+/-833
+/-666
+/-666
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
9-36 VDC
18-72 VDC
83.00%
84.00%
83.00%
84.00%
83.00%
84.00%
Order On-Line!
WWW.ASTRODYNE.COM
astrodyne.com
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
Fax: 508-823-8181
asd 2 0
I s o l a t e d a n d R e gulated 20 WATT Modular DC/DC Converters
INPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Input Voltage Ranges:
12 VDC Nominal
9-36 VDC
24 VDC Nominal
18-72 VDC
Input Filter
PI Type
Remote On/Off Control
Logic Compatibility
CMOS or Open Collector TTL
EC-On
>+5.5VDC or Open Circuit
EC-Off
<1.8VDC
Control Common
Ref. to - Input
Input-Output Isolation
Isolation Resistance
Switching Frequency
Safety
RFI
MTBF
OUTPUT SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Voltage and Current
See Selection Chart
Load Regulation (25% to FL)
+/-0.5% Line Regulation
(HL-LL)
+/-0.5%
Temperature Coefficient
+/-0.02%/°C
Ripple/Noise
RMS
20mV max.
P-P
75mVp-p max.
Voltage Accuracy
Single O/P
+/-1%
Dual +O/P
+/-1%
Dual -O/P
+/-2%
Voltage Balance (Dual FL)
+/-1%
Short Circuit Protection
Continuous
Efficiency
See Selection Chart
Transient Response
Single 25% Load Change
<500uS
Dual Full Load to 1/2 Load
<500uS
Trim
+/-10%
Oper. Temperature
Derate Above 60°C
Case Temperature
Storage Temperature
All specifications are typical at nominal input, full load, and 25°C 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.
WWW.ASTRODYNE.COM
series
1500VDC
10-8nth Ohm min.
300Khz
UL60950
Six Sided Shielding
MIL-HDBK-217F
Ground Benign, 25°C
880,584 Hrs.
-25 to +71°C w. Derate
Linearly to Zero Power +100°C
100°C max.
-55 to +105°C *
PHYSICAL SPECIFICATIONS
Case Material
Construction
Weight
Dimensions
Black coated Copper
w. Non-conductive base
Fully Encapsulated
2 oz, (57g)
1.6” x 2” x 0.45”
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.
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
Fax: 508-823-8181
asd 2 0
I s o l a t e d a n d R e gulated 20 WATT Modular DC/DC Converters
series
MECHANICAL DIMENSIONS
Pin #
Single Outputs
Dual Outputs
1
3
4
5
6
7
8
On/Off Control
- Input
+ Input
Trim
- Vout
+ Vout
No Pin
On/Off Control
- Input
+ Input
Trim
- Vout
Common
+ Vout
All Dimensions In Inches (mm)
Tolerance .xx = +/-0.04, .xxx = +/- 0.010
WWW.ASTRODYNE.COM
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
Fax: 508-823-8181