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Astec Industry Standard
66Watts
ALO20F36
Wide Range Input
Total Power: Input Voltages: No. of Outputs:
66 Watts 19 - 60V Single
Electrical Specs
Input
Input Range Input Surge Efficiency2 19 to 60 VDC 100V /100ms 91% @ 3.3V (typical)
Output
Line / Load Regulation Load Current Noise/Ripple1 Transient Response < 0.1% VO (typical) Up to 20A 50mVPK-PK (typical) 3% typical deviation (50% to 75% Step Load) < 200s settling time 125% VO Typ (autorecovery) 125% IO,max Typ (autorecovery) 115C average PCB temperature (autorecovery) 400KHz 1500Vdc
Special Features
Over Voltage Protection 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 * * * * * * Over Current Protection Over Temperature Protection Switching Frequency Isolation Voltage
Control
Output Voltage Trim Enable 10% VO,NOM TTL compatible (Positive or Negative Logic)
Environmental
Operating Ambient Temperature Openframe: -40C to +85C Ambient Storage temperature: -55C to +125C MTBF: > 1 Million Hrs
Safety
UL, cUL 60950 Recognized TUV EN60950 Licensed
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North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
03.09.07
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 Kwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426
ALO20F36
Ordering Information
Input Voltage 19V to 60V Output Voltage 3.3V Output Current 20A Efficiency2 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 Notes:
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 = 25C. 3. All specifications are typical at nominal line, full load and TA = 25C 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.
0.75 [19.0]
ALO - OPENFRAME
PIN 3
0.15 [3.8] 2.00 [50.8]
PIN 4
0.15 [3.8]
0.30 [7.6]
0.45 [11.4]
0.45 [11.4]
0.60 [15.2]
0.75 [19.0]
PIN 1
PIN 8
PIN SIDE UP
0.32 [8.2]
Astec Industry Standard
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)
0.137 [3.5] MIN 0.152 [3.9] MAX
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