Document
I s o l a t e d a n d R e gulated 20 WATT Modular DC/DC Converters
Wide 4:1 Input Range 1500V Isolation Short Circuit Protection Remote On/Off Control High Efficiency
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asd 2 0
series
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 DUAL OUTPUT ASD20-12D5 +/-5 VDC ASD20-48D5 ASD20-12D12 +/-12 VDC ASD20-48D12 ASD20-12D15 +/-15 VDC ASD20-48D15
4 4 4 4 1.67 1.67 1.33 1.33 +/-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 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% 83.00% 84.00% 83.00% 84.00% 83.00% 84.00%
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I s o l a t e d a n d R e gulated 20 WATT Modular DC/DC Converters
INPUT 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 www.DataSheet4U.com Control Common Ref. to - Input
asd 2 0
1500VDC 10-8nth Ohm min. 300Khz UL60950 Six Sided Shielding MIL-HDBK-217F Ground Benign, 25°C 880,584 Hrs.
series
GENERAL SPECIFICATIONS
Input-Output Isolation Isolation Resistance Switching Frequency Safety RFI MTBF
OUTPUT 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%
ENVIRONMENTAL SPECIFICATIONS
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 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 compon.