Total Power: 135W Input Voltages: 48V 75 Amps No. of Outputs: Single AEQ75Y48 High Efficiency Quarter Brick Electrical Specs Input Input Range 36 to 75 VDC Input Surge 100V /100ms Efficiency 89% typical Output Output Current 75A max Line/Load Regulation <0.15%Vo typical Noise/Ripple 25mV typical Remote sense Up to 10% of Vo Transient Response 4% deviation typical 50% to 75% Load change 0.1A/µs Slew Rate Special Features Special Features 100µs recovery Overvoltage Protection 120% Vo (autorecovery) • High Efficiency • Baseplate construction Current Limit 110% Io (autorecovery) • -40°C to +85°C Ambient Air or up to +100°C Switching Frequency 500kHz Baseplate Operating Temperature Range • Industry standard package 1.45" x 2.30" Control • Redundant output power pins Voltage Adjust 90 to 110% Vo • Startup and stable operation at high capacitive load Enable TTL compatible • Remote sense compensation (Positive or Negative Logic options) • Regulation to zero load • Fixed frequency switching • Basic insulation Environmental Operating temperature range: -40°C to +105°C Baseplate Storage temperature: -40°C to +125°C Overtemperature protection: 115°C PCB temperature (Typical) MTBF: > 1 million hours Safety UL, cUL 60950 TUV EN60950 1 North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 Astec Industry Standard AEQ75Y48 Astec Industry Standard EUROPE ASIA AMERICAS Astec House, Waterfront Business Park Units 2111-2116, Level 21 5810 Van Allen Way Merry Hill, Dudley Tower1, Metroplaza Carlsbad, CA 92008 West Midlands, DY5 1LX, UK 223, Hing Fong Road Telephone: 760-930-4600 Telephone: 44 (1384) 842-211 Fwai Fong, New Territories Facsimile: 760-930-0698 Facsimile: 44 (1384) 843-355 Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 Ordering Information Input Output Output Efficiency Model Number Voltage Voltage Current 36V to 75V 1.8V 75A 89% Typ AEQ75Y48(N) - (6)(3) OPTIONS suffix "N" = Negative Logic Enable (without suffix “N” designates Positive Logic Enable) suffix “-3” = single pair of output pins (Pins 4 and 10 unstuffed) without suffix “-3” = double pair of output pins (Pins 4, 5, 9, 10 are present) Pin Assignments Single Output 1. +Vin MOUNTING HOLE (2X) 2.30 2. Enable M3 X 0.5 THROUGH [58.4] MAXIMUM SCREW TOURQUE 3.9 LBS(0.44 N-m) 3. - Vin 1.86 4. Common (OPTIONAL) [47.3] 5. Common 6. - Sense 7. Trim 1.03 1.45 8. + Sense [26.1] [36.8] 9. + Vout 0.21 [5.3] 10. + Vout (OPTIONAL) PIN SIDE DOWN SIDE VIEW 0.44 0.22 [11.2] [5.6] Notes: Pin Length Option 0.20 (TYP) 1. Nominal values apply with sense pins connected [5.1] Suffix “-6”: 3.7mm nominal to +Vout and Ground Return with other control Default: 5mm nominal pins unconnected. 2. Consult the Technical Reference Notes for more 0.43 0.15 2.00 [10.9] detailed information. [3.8] [50.8] 0.15 0.43 1.88 [3.8] 3. Dimensions provided in the mechanical outline [10.9] [47.7] 0.30 are nominal values. [7.6] 0.30 [7.6] 4. Specifications subject to change without notice. 3 4 5 6 0.45 0.60 0.60 5. 1 Year warranty 2 7 [11.4] [15.2] [15.2] 8 10 9 1 * Astec reserves the right to make changes to the information PIN SIDE UP Ø 0.060 (1.52) DIA PINS (4 PLCS) contained herein without notice and assumes no liability as a Ø 0.040 (1.02) DIA PINS (6 PLCS) result of its use or application. (REV01: JULY 22, 2005) www.astecpower.com 2