LFM20 ASTRODYNE | Alldatasheet
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20W Ultraminiature Open Frame Switching Power Supplies L F M 2 0 s e r i e s 300 Myles Standish Blvd., Taunton, MA 02780 Ph: 1-800-823-8082 Fax: 508-823-8181WWW.ASTRODYNE.COM Universal 85-265VAC Input High Efficiency Regulated Outputs 3000V Isolation Single Outputs UL60950 & EN60950 Approved Optional 0.156” Spaced Connectors, or PCB Mount Configuration Model Number Output Voltage Output Amps(max) Ripple pk-pk Efficiency 0.156” SPACED CONNECTORS LFM20-3.3 3.3 VDC 4.4A 50mV 70% LFM20-5 5 VDC 4.4A 1% 73% LFM20-9 9 VDC 2.45A 1% 77% LFM20-12 12 VDC 1.8A 1% 80% LFM20-15 15VDC 1.4A 1% 80% LFM20-24 24VDC 0.92A 1% 82% PCB MOUNT (Pins) LFM20-3.3P 3.3 VDC 4.4A 50mV 70% LFM20-5P 5 VDC 4.4A 1% 73% LFM20-9P 9 VDC 2.45A 1% 77% LFM20-12P 12 VDC 1.8A 1% 80% LFM20-15P 15VDC 1.4A 1% 80% LFM20-24P 24VDC 0.92A 1% 82% Order On-Line! astrodyne.com 2.75”W x 1.89”L x 0.91”H
20W Ultraminiature Open Frame Switching Power Supplies L F M 2 0 s e r i e s 300 Myles Standish Blvd., Taunton, MA 02780 Ph: 1-800-823-8082 Fax: 508-823-8181WWW.ASTRODYNE.COM INPUT SPECIFICATIONS Input Voltage Range 85-265 VAC Frequency Range 47-63 Hz Inrush Current, typ: 20A@100V, 40A@200V Input * Leakage Current 3.5mA max. OUTPUT SPECIFICATIONS Voltage and Current See Selection Chart Load Regulation (10%-FL) +/- 1% Line Regulation (LL-HL, FL) +/- 0.5% Voltage Accuracy +/- 1% Temperature Coefficient +/-0.05%/°C Ripple/Noise See Selection Chart (NOTE 1) Short Circuit Protection Continuous Hold Up Time 16 mS, typ @ 115VAC GENERAL SPECIFICATIONS Input-Out Isolation 3000VAC Efficiency See Selection Chart Safety UL60950, EN60950 PHYSICAL SPECIFICATIONS Size 0.156 Connectors 3.5” x 2.0” x 0.80” (NOTES 2 & 3) PCB Pins 3.5” x 2.0” x 1.0” Construction Open Frame Weight 0.156 Connectors 3.1 oz (88g) PCB Pins 3.3 oz (93g) ENVIRONMENTAL SPECIFICATIONS Oper. Temperature 0 to +45°C Cooling Free Air Convection Storage Temperature -20 to +85°C * MECHANICAL SPECIFICATIONS NOTES: 1) Add a 0.1uF ceramic capacitor and a 10uF E.L.capacitor to output for Ripple & Noise (R & N) measuring @ 20MHz BW. 2) Input Connector Mates with Molex Housing 09-50-3031 and Molex 2878 Series Crimp Terminal 3) Output Connector Mates with Molex Housing 09-50-3041 and Molex 2878 Series Crimp Terminal * 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. All specifications are typical at nominal input, full load, and 25DegC unless otherwise noted 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. 1.0(25.4) 0.15(3.8) 0.31(7.9) 2.00(50.8) 1.70(43.18) 0.150(3.81) 0.150(3.81) 3.2(81.28) 3.50(88.9) 0.070(1.78) 0.040(1.02) 0.24(6.12) 0.62(15.75) 0.15(3.96) ACN ACL +Vout -Vout VR 0.80 (20.32)