Isolated and Regulated
20 Watt
Modular DC/DC Converters
All specifications are typical at nominal input, full load, and 25DegC
unless otherwise noted
CostCutter
INPUT SPECIFICATIONS
Input Voltage Ranges:
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
Input Filter
OUTPUT SPECIFICATIONS
Voltage and Current
See Selection Chart
Load Regulation
singles: +/-1%
25% - FL (single/dual)
duals: +/-2%
10%-FL (triple)
3.3/5 V:+/-2%, 12/15 V:+/-5%
Line Regulation (Single/Dual)
+/-0.2%
(triple)
3.3/5V:+/-1%, 12/15V:+/-5%
Temperature Coefficient
+/-0.02%/DegC
Ripple/Noise(Single/Dual/Triple) (75 / 100 / 1%) mV Pk-Pk, typ
Voltage Stability (+/-12,+/-15) +/- 2%, (+/-5%)
Transient Response Recovery
25% Load Step Change
500 microSeconds
Short Circuit Protection
Continuous, self-recovering
Overvoltage Protection Threshold:
3.3V Output
3.9Volts
5V Output
6.2Volts
12V Output
15Volts
15V Output
18Volts
GENERAL SPECIFICATIONS
On/Off Control
(Ref to - Input pin)
Logic "1"/Open=ON
Logic "0"/GND=OFF
1600VDC
1000 pF
10000 M Ohms
81%, typ
300Khz, Single typ
MECHANICAL DIMENSIONS
9-18 VDC
18-36 VDC
36-72 VDC
Pi Type
Pin #
1
2
3
4
5
6
7
8
Single
+ Input
- Input
No Pin
Control
No Pin
+ Output
- Output
Trim
Dual
+ Input
- Input
No Pin
Control
+ Output
Common
- Output
Trim
Triple
+ Input
- Input
No Pin
Control
+ Aux Out
+5V, +3.3V
Common
- Aux Out
OUTPUT DERATING CURVE
Input-Out Isolation
In/Out Capacitance
Isolation Resistance
Efficiency
Switching Frequency
ENVIRONMENTAL SPECIFICATIONS
Oper. Temperature
Storage Temperature
Maximum Case Temp
MTBF
-25 to +70 DegC(see derate)
-55 to +125 DegC
*
112 DegC
*
436.9 kHrs
MIL-HDBK-217F TA=25C FL
PHYSICAL SPECIFICATIONS
Case Material
Construction
Weight
Nickel-Coated Copper
Non-Conductive Base
Fully Encapsulated
1.86 oz, (52g)
*
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
Rev. 2/02
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Ph: 1-800-823-8082
Fax: 508-823-8181