AEO25

Astec Industry Standard 66Watts AEO/ALO25 High Efficiency Total Power: Input Voltages: No. of Outputs: 66 Watts 48V Single Electrical Specs Input Input Range Input Surge Efficiency1 36 to 75 VDC 100V /100ms 1.8V @ 90% (typical) Output Line / Load Regulation Load Current Ripple and Noise2 Transient Response < 0.1% VO Up to 25A for Vo 1.8V 20mVPK-PK at 1.8VO (typical) 2% typical deviation 50% to 75% step load 250ms settling time (typical) 130% VO Typ (autorecovery) 120% IO,max Typ (autorecovery) 110ºC average PCB temperature (autorecovery) Fixed Frequency 1500Vdc Special Features Over Voltage Protection • • • • • • • 2.3” x 0.9” Industry Standard 8th brick outline Baseplate or Openframe construction Low Ripple and Noise Regulation to zero load High Capacitive Load start-up Fixed Switching Frequency Industry Standard features: Input UVLO with hysteresis, Enable, OVP, OCP, OTP, Output VoltageTrim, Differential Remote Sense • Meets Basic Insulation Over Current Protection Over Temperature Protection Switching Frequency Isolation Voltage Control Output Voltage Trim Enable ±10% VO TTL compatible (Positive or Negative Logic) Environmental Operating ambient temperature: -40°C to +85°C Storage temperature: -55°C to +125°C MTBF: >1 million hours Safety UL, cUL 60950 Recognized TUV EN60950 Licensed 1 North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 AMERICAS 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 EUROPE Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 ASIA 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 AEO / ALO25 Ordering Information Input Voltage 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V OPTIONS: (X) : “L” = “E” = (N) : "N" = (6) : “-6”= (S) : “-S”= Output Voltage 12.0V 5.0V 3.3V 2.5V 1.8V 1.5V 1.2V Output Current 4A 12A 20A 20A 25A 25A 25A Efficiency1 93.0% 93.0% 91.0% 90.0% 90.0% 88.5% 87.0% Model Number A(X)O04B48 (N) A(X)O12A48 (N) A(X)O20F48 (N) A(X)O20G48 (N) A(X)O25Y48 (N) A(X)O25M48(N) A(X)O25K48 (N) (6)(S) (6)(S) (6)(S) (6)(S) (6)(S) (6)(S) (6)(S) Open Frame / Low Profile Baseplate Construction designates Negative Logic Enable (default is Positive Enable with no suffix “N” required) 3.7mm nominal pin length (default is 5mm nominal pin length with no suffix “-6” required) Surface Mount Termination (default is Through Hole Termination with no suffix “-S” required) Pin Assignment Single Output 1. +Vin 2. Enable (On/Off) 3. -Vin 4. -VOUT 5. -Sense 6. Trim 7. +Sense 8. +VOUT Notes: 1. Efficiency measurements taken at full load, nominal line and TA = 25°C. 2. 20 MHz bandwidth. External 10 uF tant. capacitor in parallel with 1 uF ceramic capacitor placed across the output and secondary return ground. 3. All specifications are typical at nominal line, full load and TA = 25°C unless otherwise noted. 4. All specifications subject to change without notice. 5. Mechanical drawings are for reference only. Dimensions are in inches [mm]. Pin placement tolerance ± 0.005 [0.127]. Mechanical Tolerance ± 0.02 [0.5], recommended surface mount pads (min: 0.080 x 0.112 [2.03 x 2.84] / max: 0092 x 0.124 [2.34 x 3.15]); through hole pin diameter (Pins 4 & 8) = 0.062 [1.57], others = 0.04 [1.0] (6X). 6. Technical Reference Notes should be consulted for detailed information. 7. Warranty: 1yr. * Astec reserves the right to make changes to the information contained herein without notice and assumes no liability as a result of its use and application. (REV G: AUGUST 25, 2005). 0.45 [11.4] 0.75 [19.1] 0.15 [3.8] ALO - OPENFRAME 2.19 [55.5] 0.15 [3.8] 0.30 [7.6] 0.45 [11.4] 0.60 [15.2] 0.75 [19.1] SMT - Termination 0.31 [7.9] 0.15 [3.9] TH - Termination 0.32 [8.2] PIN LENGTH See A Std Pin Length: 0.189 0.205 “-6” Option: 0.137 0.152 0.15 [3.8] A [4.8] [5.2] [3.5] [3.9] MIN MAX MIN MAX AEO -BASEPLATE 0.15 [3.8] 0.45 [11.4] 0.75 [19.0] 2.00 [50.8] 0.30 [7.6] 0.45 [11.4] Astec Industry Standard 0.60 [15.2] 0.75 [19.0] SMT - Termination 0.39 [9.8] 0.15 [3.9] PIN SIDE DOWN TH - Termination 0.40 [10.1] 0.23 [5.8] See A 0.15 www.astecpower.com 2