ASD20 I sol at e d a n d R e gul at ed 20 WATT Modula r DC/DC Co n ve rte rs 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% 78% 81% 82% 83% 84% 83% 84% 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% 84% 83% 84% 83% 84% WWW.ASTRODYNETDI.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 ASD20 I sol at e d a n d R e gul at ed 20 WATT Modula r DC/DC Co n ve rte rs 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 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” 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.ASTRODYNETDI.COM 0315 ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 ASD20 I sol at e d a n d R e gul at ed 20 WATT Modula r DC/DC Co n ve rte rs 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.ASTRODYNETDI.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458