ASD20-12S3 データシートの表示（PDF） - Astrodyne Corporation
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ASD20-12S3 Datasheet PDF : 3 Pages
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Isolated and Regulated 20 WATT Modular DC/DC Converters
ASD20 series
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
1500VDC
10-8nth Ohm min.
300Khz
UL60950
Six Sided Shielding
MIL-HDBK-217F
Ground Benign, 25°C
880,584 Hrs.
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
-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”
All specifications are typical at nominal input, full load, and 25°C unless other-
wise 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.ASTRODYNETDI.COM
0315
ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
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