Total Power: 120 Watts Input Voltages: 48V 120Watts No. of Outputs: Single AEO/ALO40 High Efficiency Electrical Specs Electrical Specs Input Input Range 36 to 75 VDC Input Surge 100V /100ms Input UVLO 33 - 36 V (UVLO ON) 31 - 34 V (UVLO OFF) 2 Efficiency 93% 5 V (typical) Output Line / Load Regulation < 0.1% V (typical) O Load Current Up to 40A for Vo 1.8V 1 Noise/Ripple 30mV (typical) PK-PK Special Features Special Features Transient Response 2% typical deviation (50% to 75% Step Load) < 100s settling time (typ) 2.3 x 0.9 Industry Standard 8th brick outline Baseplate or Openframe construction Over Voltage Protection 130% V Typ (autorecovery) O Low Ripple and Noise Over Current Protection 130% I Typ (autorecovery) O,max Regulation to zero load Over Temperature 115C average PCB temperature High Capacitive Load start-up Protection (autorecovery) Fixed Frequency Switching for EMI predictability Switching Frequency Fixed Frequency Industry Standard features: Input UVLO with hysteresis, Enable, OVP, OCP, OTP, Output Isolation Voltage 1500Vdc VoltageTrim, Differential Remote Sense Meets Basic Insulation Control EU Directive 2002/95/EC compliant for RoHS Output Voltage Trim 10% V O,NOM Enable TTL compatible (Positive or Negative Logic) Environmental Operating Ambient Temperature Openframe: -40C to +85C Ambient Baseplate: -40C to +100C Case Storage temperature: -55C to +125C MTBF: > 1 Million Hrs Safety UL, cUL 60950-1 Recognized TUV EN60950-1 Licensed 2 North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 Astec Industry Standard AEO / ALO40 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 2 Input Voltage Output Voltage Output Current Efficiency Model Number 36V to 75V 12.0V 10A 93.0% A(X)O10B48 (N) - (6)(S)(L) 36V to 75V 5.0V 20A 92.0% A(X)O20A48 (N) - (6)(S)(L) 36V to 75V 3.3V 30A 91.0% A(X)O30F48 (N) - (6)(S)(L) 36V to 75V 2.5V 35A 89.5% A(X)O35G48(N) - (6)(S)(L) 36V to 75V 1.8V 40A 88.0% A(X)O40Y48 (N) - (6)(S)(L) 36V to 75V 1.5V 40A 86.0% A(X)O40M48(N) - (6)(S)(L) 36V to 75V 1.2V 40A 85.0% A(X)O40K48 (N) - (6)(S)(L) OPTIONS: (X) : L = Open Frame / Low Profile E = Baseplate Construction (N) : = designates Negative Logic Enable (default is Positive Enable with no suffix N required) (6) : -6 = 3.7mm nominal pin length (default is 5mm nominal pin length with no suffix -6 required) 7 (S) : -S= Surface Mount Termination (default is Through Hole Termination with no suffix -S required) (L) : L = RoHS compliant (RoHS 6) / Blank - RoHS compliant with Lead (PB) in solder exemption (RoHS 5) ALO - OPENFRAME 0.15 Pin Assignment 2.19 3.8 55.5 0.30 0.15 7.6 Single Output 3.8 0.45 0.45 11.4 1. +Vin 11.4 0.60 0.75 0.75 15.2 2. Enable (On/Off) 19.1 19.1 3. -Vin 4. -V OUT 0.15 SMT - Termination 5. -Sense 3.9 6. Trim 0.31 7.9 7. +Sense 8. +V OUT 0.32 TH - Termination 8.2 Notes: 1. Measured at 20 MHz bandwidth with external 10 F PIN LENGTH A See A tant. capacitor in parallel with 0.1 F ceramic Std Pin Length: 0.189 4.8 MIN capacitor connected across +Vout and -Vout 220 F 0.205 5.2 MAX e-cap or equivalent connected across +Vin and -Vin. -6 Option: 0.137 3.5 MIN 2. Efficiency measurements are typical values taken at 0.152 3.9 MAX AEO -BASEPLATE full load, nominal line and T = 25C. A 0.15 3. All specifications are typical at nominal line, full load 3.8 2.00 0.30 0.15 50.8 and T = 25C unless otherwise noted. 7.6 A 3.8 4. All specifications subject to change without notice. 0.45 0.45 5. Mechanical drawings are for reference only. 11.4 11.4 0.60 Dimensions are in inches mm . Pin placement 0.75 15.2 0.75 tolerance 0.005 0.127 . Mechanical Tolerance 19.0 19.0 0.02 0.5 , recommended surface mount pads (min: PIN 1 PIN 8 0.080 x 0.112 2.03 x 2.84 / max: 0092 x 0.124 0.15 2.34 x 3.15 ) through hole pin diameter (Pins 4 & 8) 3.9 SMT - Termination = 0.062 1.57 , others = 0.04 1.0 (6X). 0.39 6. Technical Reference Notes should be consulted for 9.8 detailed information when available. 7. AEOxxxxxx-Sx series (surface mount termination PIN SIDE DOWN with baseplate) are not reflow compatible. 0.40 TH - Termination 10.1 8. Warranty 2 yrs. 0.23 5.8 Astec reserves the right to make changes to the information contained herein without notice and assumes no liability as a See A result of its use and application. (REV 02: MARCH 7, 2007) www.astecpower.com 3