Astec Industry Standard W9959_02_DCDC_001-073_73 2/8/02 3:19 PM Page 30 20 Watts Total Power: Input Voltages: No. of Outputs: AET04 AET01-Dual 20 Watts 48V, 24V Single, Dual Electrical Specs Input Input range 9 to 36 VDC 36 to 72 VDC Efficiency 83% typical (5V) Output Voltage tolerance Overall regulation Noise/ripple Short circuit protection Transient response Special Features * * * * * * * 20 W, Single and Dual output 24 and 48V Input Trim 90% to 110% Encapsulated 1.6" x 2.0" x 0.38 case Replaces AA20B series Industry standard package 1% max, 2%(3.3V) 2% max, 5%(3.3V) 50 mV P-P (3.3V, 5V) 80 mV P-P (>5Vout) Continuous Power Cycle 250 usec typical (25% step load change to within 5%Vo) Temperature Coefficient 0.02 C Switching frequency 280kHz Isolation I/O isolation 500 VDC 1500VDC (5V output only) Environmental Operating base temperature range: -25C to +95C (full load, no derating) Storage temperature: -40C to +105C Humidity: 5% to 95% (non-condensing) MTBF: 2.4 Million hours (Bellcore TR332, Ta=25 Deg C) Safety 30 UL UL1950 Recognition CSA CSA22.2-950 Recognition TUV EN60950 Certified CE CE Mark America's (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 AMERICAS EUROPE ASIA 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 Units 2111-2116, Level 21 Tower1, Metroplaza 223, Hing Fong Road Fwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 AET Ordering Information Input Voltage Output Voltage Efficiency Model Number 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 18-36 V 3.3 @ 4.0 A 5.0 @ 4.0 A 12.0 @ 1.67 A 15.0 @ 1.33 A 5.0 @ 2.0 A 12.0 @ 0.83 A 15.0 @ 0.67 A 80% 83% 86% 87% 83% 87% 87% AET04F24 AET04A24 AET02B24 AET01C24 AET02AA24 AET01BB24 AET01CC24 36-72 V 36-72 V 36-72 V 36-72 V 3.3 @ 4.0 A 5.0 @ 4.0 A 12.0 @ 1.67 A 15.0 @ 1.33 A 81% 83% 87% 87% AET04F48 AET04A48 AET02B48 AET01C48 Dual Output 36-72 V 36-72 V 36-72 V 5.0 @ 2.0 A 12.0 @ 0.83 A 15.0 @ 0.67 A 83% 87% 87% AET02AA48 AET01BB48 AET01CC48 NOTES: Single output www.astec.com 31