Astec Industry Standard 66Watts Total Power: Input Voltages: No. of Outputs: 66 Watts 19 - 60V Single ALO20F36 Wide Range Input Electrical Specs Input Input Range Input Surge 19 to 60 VDC 100V /100ms Efficiency2 91% @ 3.3V (typical) Output Line / Load Regulation < 0.1% VO (typical) Load Current Up to 20A Noise/Ripple1 50mVPK-PK (typical) Transient Response Over Voltage Protection 3% typical deviation (50% to 75% Step Load) < 200µs settling time 125% VO Typ (autorecovery) Over Current Protection 125% IO,max Typ (autorecovery) Over Temperature Protection Switching Frequency Isolation Voltage 115ºC average PCB temperature (autorecovery) 400KHz 1500Vdc Special Features • • • • • • 2.3” x 0.9” Industry Standard 8th brick outline Wide Operating Input Voltage Range Regulation to zero load High Efficiency Fixed Frequency Switching for EMI predictability Industry Standard features: Input UVLO with hysteresis, Enable, OVP, OCP, OTP, Output VoltageTrim, Differential Remote Sense • Meets Basic Insulation • EU Directive 2002/95/EC compliant for RoHS Control Output Voltage Trim ±10% VO,NOM Enable TTL compatible (Positive or Negative Logic) Environmental Operating Ambient Temperature Openframe: -40°C to +85°C Ambient Storage temperature: -55°C to +125°C MTBF: > 1 Million Hrs Safety UL, cUL 60950 Recognized TUV EN60950 Licensed 2 North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 03.09.07 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 Kwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 ALO20F36 Ordering Information Input Voltage 19V to 60V Output Voltage Output Current Efficiency2 3.3V 20A 91% Model Number ALO20F36(N) - (6)(L) OPTIONS: (N) : "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) (L) : "L" = RoHS compliant (RoHS 6) / “Blank” = RoHS compliant with Lead (Pb) in solder exemption Pin Assignment Single Output 1. +Vin 2. Enable (On/Off) 3. -Vin 4. -VOUT 5. -Sense 6. Trim 7. +Sense 8. +VOUT ALO - OPENFRAME PIN 3 0.15 [3.8] Notes: 0.15 [3.8] PIN 4 0.30 [7.6] 0.45 [11.4] 0.45 [11.4] 0.75 [19.0] 0.60 [15.2] 0.75 [19.0] PIN 8 PIN 1 PIN SIDE UP 0.32 [8.2] See A PIN LENGTH A Std Pin Length: 0.189 [4.8] MIN 0.205 [5.2] MAX “-6” Option: This is a Preliminary Data Sheet. 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 03: MARCH 8, 2007) www.astecpower.com 0.137 [3.5] MIN 0.152 [3.9] MAX Astec Industry Standard 1. 20 MHz bandwidth. External 10 uF tant. capacitor in parallel with 0.1 uF ceramic capacitor placed across the output and secondary return ground. 2. Efficiency measurements are typical values taken at full load, 24V or 48V input and TA = 25°C. 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]. 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 when available. 7. Warranty 1yr. 2.00 [50.8] 3