ALQ20B48 ASTEC | Alldatasheet
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Technical content
Business-Critical Continuity ALQ/AEQ20B48
20 Amps
- Quarter brick industry stan- dard 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
- EU directive 2002/95/EC compliant for RoHS Total Power: 240 Watts Input Voltage: 48V # of Outputs: 1 Electrical Specifications Safety Input Input ra nge 36V to 75VDC Input surge 100V / 100ms Efficiency 93% (typical) Output Line regulation ± 0.1% (typical) Load regulation ± 0.1% (typical) Noise/ripple1 60mV (typical) Transient response 5% deviation (50% to 75% step load) <250μs setting time Over current protection 130% Io (autorecovery) Over voltage protection 120% Vo (autorecovery) Over temperature protection 115°C average PCB temperature (autorecovery) Switching frequency 150kHz Isolation voltage 2250 Vdc Control Enable on/off Positive or negative logic options; TTL compatible UL, cUL 60950 TUV EN60950 Rev. 01.17.07 ALQ/AEQ20B48 1 of 2 Operating ambient air temperature range -40°C to +85°C ambient Storage temperature -40°C to +125°C MTBF >1 million hours Environmental Specifications
Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2007 Emerson Electric Co. Embedded Power for Business-Critical Continuity Emerson Network Power. The global leader in enabling business-critical continuity. EmersonNetworkPower. com AC Power Connectivity DC Power Embedded Power Inbound Power Integrated Cabinet Solutions Outside Plant Precision Cooling Site Monitoring and Services Pin Assignments Single Output 1. +Vin 2. Enable on/off 3. -Vin 4. -Vout 5. - Sense 6. Trim 7. + Sense 8. +Vout Notes: 1. Measured at 20 MHz bandwidth with external 10 uF tant. capacitor in parallel with 1 uF ceramic capacitor placed across +Vout and - Vout, T A = 25ºC. 2. Efficiency measurements taken at nominal line VIN = 48V input, Io = 100% load, T A = 25ºC. 3. All specifications are considered typical values unless otherwise noted and are subjuect to change without notice. 4. 2 year warranty.
5 Consult factory for further product technical
details. Mechanical Drawing Astec Power
5810 Van Allen Way
Carlsbad, CA 92008 USA Telephone: +1 760 930 4600 Facsimile: +1 760 930 0698 Technical Support: +1 888 41 ASTEC or +1 407 241 2752 Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 Units 2111-2116, Level 21 Tower 1, Metroplaza 223, Hing Fong Road Kwai Fong, New Territories Hong Kong Telephone: +852 2437 9662 Facsimile: +852 2402 4426 For global contact, visit: www.astecpower.com technicalsupport@astec.com While every precaution has been taken to ensure accuracy and completeness in this literature, Astec Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Printed in U S A
Ordering Information
Voltage Output Voltage Output Current Efficiency2 Model Number 36 - 75V 12V 20A 93% Typ ALQ20B48(N)-(6)L 36 - 75V 12V 20A 93% Typ AEQ20B48(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) Notes: ALQ : = openframe constructioin AEQ : = baseplate contruction L: = RoHS Compliant (RoHS 6) Rev. 01.17.07 ALQ/AEQ20B48 2 of 2 * This is a Preliminary Data Sheet. Astec Power reserves the right to make changes to the information contained herein with- out notice and assumes no liability as a result of its use or application. OPENFRAME PIN Length (inch [mm]) Std : 0.197 [5.0] “-6” : 0.146 [3.7]