Preliminary Datasheet - Astec Industry Standard
20 Amps
ALQ/AEQ20B48
Total Power: Input Voltages: No. of Outputs:
240W 48 1
Electrical Specs
Input
Input Range Input Surge Efficiency 36 to 75 VDC 100V /100ms 93% (Typical)
Output
Line Regulation Load Regulation Noise/Ripple1 Transient Response ± 0.1% (Typical) ± 0.1% (Typical) 60mV (Typical) 5% deviation (50% to 75% step load) < 250µs settling time
Special Features
• Quarter brick industry standard outline • Baseplate or openframe low profile construction • Industry Standard features : Input UVLO with hysteresis, Enable, OVP, OCP, OTP, output Voltage Trim, Differential Remote Sense • Fixed switching frequency for EMI predictability • Prebias startup capable • RoHS compliant • Meets basic insulation Over Temperature Protection Switching Frequency Isolation Voltage
Over Current protection 130% IO (autorecovery) Over Voltage protection 120% VO (autorecovery) 115ºC average PCB temperature (autorecovery) 150kHz 2250 Vdc
Control
Enable On/Off Positive or Negative Logic Options TTL Compatible
Environmental
Ambient air operating temperature range: -40°C to +85°C Storage temperature: -40°C to +125°C MTBF: > 1 million hours
Safety
UL, cUL 60950 (Pending) TUV EN60950 (Pending)
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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
ALQ / AEQ20B48
Ordering Information
Input Voltage 36V to 75V 36V to 75V Output Voltage 12V 12V Output Current 20A 20A Efficiency2 93% Typ 93% Typ Model Number ALQ20B48(N)-(6) AEQ20B48(N)-(6)
OPTIONS (N) : = (6) : = ALQ : = AEQ: =
designates Negatve Logic Enable (default is Positive Enable with no suffix “N” required) denotes 3.7mm Pin length (default is 5mm) openframe construction baseplate construction
Pin Assignments
1. 2. 3. 4. 5. 6. 7. 8. + Vin Enable On/Off - VIN - VO - Sense Trim + Sense +VO
MECHANICAL OUTLINE
OPENFRAME
PIN Length (inch [mm]) Std : 0.197 [5.0] “-6” : 0.146 [3.7]
Notes: 1. Measured at 20MHz bandwidth with external 10 uF tant. capacitor in parallel with 1 uF ceramic capacitor across +VO and -VO, TA = 25 °C. 2. Efficiency measurements taken at nominal line, VIN = 48V, IO = 100% load, TA = 25 °C. 3. All specifications are considered typical values unless otherwise noted and are subject to change without notice. 4. 1 year warranty. 5. Consult factory for further product technical details.
BASEPLATE
Astec Industry Standard
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 or application. (REV A1: JANUARY 9, 2006)
www.astecpower.com
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