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ASD75EB Datasheet(PDF) 2 Page - Astrodyne Corporation |
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ASD75EB Datasheet(HTML) 2 Page - Astrodyne Corporation |
2 / 8 page 75 Watt, High Density, Eighth Brick DC/DC Converter ASD75EB series WWW.ASTRODYNETDI.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 ABSOLUTE MAXIMUM RATINGS (MIN TO MAX.) Input Voltage (+In to -In) 24Vin: 18-36VDC Continuous 48Vin: 36-75VDC Continuous Transient Input Voltage 24Vin: 50VDC (100mS max.) 48Vin: 100VDC (100mS max.) Operating Temperature -40 to 85°C (See Derate Curve) Storage Temperature (Ambient) 125°C Wave Solder Temperature 260°C for 10 Seconds INPUT SPECIFICATIONS (400LFM AIRFLOW) Input Operation Voltage: See Model Chart on Page 1 Input Current FL (0 Vin - Vin max.)See Model Chart on Page 1 Input Transient 1A²t Input Reflected Ripple Current 20mAp-p, typ. (Note 1) Startup Input Voltage (Note 4) 24Vin: 16-18VDC 48Vin: 33-36VDC Shutoff Input Voltage 24Vin: 14-16VDC 48Vin: 30-33VDC Hysteresis 1V OUTPUT SPECIFICATIONS Output Voltage See Model Chart on Page 1 Output Current (Io, max.) See Model Chart on Page 1 Output Set Point (Vo,set) +/-1.5%, Nominal Vin, FL Total Output Voltage Range +/- 3% Line/Load Regulation +/-1% Temperature Regulation +/-1%, -40 to 70°C Ripple/Noise 150mV p-p max., 30mVrms (Note 2) Dynamic Response: (Note 3) Peak Deviation 4% Vnom Settling Time 200uS Vout within 1% Vnom Over Voltage Protection 110-140% of Output, Hiccup Mode Over Temperature Protection 105-125°C, auto recover (converter hot spot temperature) External Capacitance (Electrolytic)3.3 & 5Vout: 10 to 5000uF max. 12Vout: 220 to 1200uF max. Short Circuit Protection (rms) 15Arms, Hiccup, Rout ≤10M Ω Current Limit (rms.) 105-140%, Hiccup Mode Efficiency FL See Model Chart on Page 1 ISOLATION SPECIFICATIONS Input-Output 1500VDC Input-Output Capacitance 1500pF Isolation Resistance 10MΩ GENERAL SPECIFICATIONS MTBF 1.3Mhrs Weight 0.72 oz (20.5g) Dimensions 2.3” x 1.45” x 0.47” (58.4 x 36.8 x 12mm) CONTROL SPECIFICATIONS Input Logic Low Voltage at 1mA current relative to -Vin is 1V max. Current at 0 volts is 1mA Input Logic High Enable pin voltage relative to -Vin is 5.5V Leakage current is 100uA Turn-On Time 500mS, FL, o=90% Vo, set Trim Adjustment Range 80-110% See TRIM FUNCTION Fig 4 NOTES 1.Measured before Input Filter, 12uH inductor 2.Scope measurement should be made using a BNC connector with 1uF and 10uF aluminum electrolytic capacitor across output. Scope set to read at 20MHz bandwidth. 3. 25%-50%-75% load, 0.1A/ uS 4. The Cold Start condition is a uniform converter temperature of -40°C after thermal stabilization. An additional 2x220uF is needed for cold startup conditions. The Hot Start condition for start up is a uniform con- verter temperature of 65°C after thermal stabilization. All specifications are typical at nominal input, full load, and 25DegC unless otherwise noted |
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