Astec Industry Standard W9959_02_DCDC_001-073_73 2/8/02 3:13 PM Page 14 250 Watts Total Power: Input Voltages: No. of Outputs: AEH60 ALH60 (Open Frame) High Efficiency PRELIMINARY 250 Watts 48 V Single Electrical Specs Input Input range Input Surge Efficiency 36-75 VDC 100V / 100ms 91%@3.3V (Typical) Control Enable TTL compatible (positive & negative enable options) Output Regulation (Line, Load, Temp) Special Features • High efficiency, 3.3V@91% (Typical) • -40°C to 100°C baseplate operating temperature • Open Frame version also available (ALH60) • Positive and Negative enable function • Low output ripple and noise • High capacitive load limit on start-up • Remote sense compensation • Regulation to zero load • Fixed frequency switching (400 kHz) <2% Ripple and noise Remote sense Output voltage adjust range Transient Response 2% typical (100mV p-p max) Up to 10%Vout Overvoltage Protection +/-10% of nominal output 4% max deviation with 50% to 75% full load 300 µS (max) recovery 130% nominal output Environmental Operating temperature (baseplate): -40°C to +100°C Storage temperature: -55°C to +105°C Overtemperature protection: 115°C typical MTBF: >1 million hours Safety UL, CUL 1950 Recognized TUV 14 EN60950 Licensed America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 W9959_02_DCDC_001-073_73 2/8/02 3:13 PM Page 15 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 AEH60/ALH60 Ordering Information Input Output Voltage Voltage Efficiency Full Load Model Number Availability 48V 48V 48V 48V 3.3V @ 60A 2.5V @ 60A 1.8V @ 60A 1.2V @ 60A 88% (Min) 100°C 86% (Min) 100°C 84% (Min) 100°C 82% (Min) 100°C AEH60F48 AEH60G48 AEH60Y48 AEH60K48 Now Samples Available March, 2002 Samples Available January, 2002 Samples Available March, 2002 48V 48V 48V 48V 3.3V @ 60A 2.5V @ 60A 1.8V @ 60A 1.2V @ 60A 88% (Min) 85°C 86% (Min) 85°C 84% (Min) 85°C 82% (Min) 85°C ALH60F48 ALH60G48 ALH60Y48 ALH60K48 Now Samples Available March, 2002 Samples Available January, 2002 Samples Available March, 2002 Pin Assignments See note below Single Output 1. 2. 3. 4. 5. 6. 7. 8. 9. -Vin Case Enable (on/off) +Vin -Output - Sense Trim + Sense +Output Notes: 1. 20 mHz bandwidth. External 10 uF tant. capacitor + 0.1 uF cer. capacitor placed from +V out to -V out. 2. Requires a 2.2 mf, 100V film capacitor connected between +V in and -V in to meet FCC class A and ETS300-386-1 requirements for conducted noise. Consult Factory for filtering information to meet FCC class B, VDE or EIC specifications. 3. All specifications are typical at nominal line, full load, and 25°C unless otherwise noted. 4. All specifications subject to change without notice. Mechanical drawings are for reference only. 5. Technical Reference Notes should be consulted for detailed information when available. 6. Warranty: 1yr Standard height Pins 5 & 9 are 0.080” in diameter www.astec.com Astec Industry Standard Note: ALH = 0.4” height AEH = Standard height 0.5” with Heatsink assembly 15