AEH25B48-56

Astec Industry Standard 300W AEH25 Ultra High Efficiency Total Power: Input Voltages: No. of Outputs: 300 Watts (12V @ 25A) 48 V Single Electrical Specs Input Input range Input Surge Efficiency 36-75 VDC 100V / 100ms 93% @ 12V (Typical) Control Enable TTL compatible (positive or negative enable logic control options) Output Regulation (Line, Load, Temp) 1 million hours Safety UL, cUL 60950 Recognized TUV EN60950 Licensed 2 North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211Asia (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 AEH25B48 Ordering Information Input Voltage 36V to 75V OPTION: Output Voltage / Current 12V @ 25A suffix “N” non suffix “N” suffix “-6” suffix “-5” default pin length suffix “T” = = = = = = Efficiency Model Number 93% AEH25B48(N)-(5)(6)(T) Negative Enable Positive Enable (default) 3.7mm pin length 4.5mm pin length 5mm nominal pin length “Tuned” version for slow start up time Typical efficiency measurement taken at nominal line, full load, 25°C ambient. Pin Assignments Single Output 1. 2. 3. 4. 5. 6. 7. 8. 9. +Vin Enable (On/Off) Case (AEH) -Vin - Output - Sense Trim + Sense + Output 0. 20 [ 1] 5. Notes: 1. 20 MHz BW with external 10uF/25V tantalum in parallel with 0.1uF/50V X7R ceramic capacitor placed across the output. 2. Requires a 2.2 uf, 100V film capacitor connected between +V in and -V in to meet FCC class A and ETS300-386-1 requirements for conducted noise. Consult Factory for filtering information to meet FCC class B, VDE or EIC specifications. 3. All specifications are typical at nominal line, full load, and 25°C unless otherwise noted. 4. All specifications subject to change without notice. Mechanical drawings are for reference only 5. Technical Reference Notes should be consulted for detailed information when available 6. Warranty: 1yr * 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. (REV06: JANUARY 26, 2006) 2. 30 [ 4] 58. 1. 90 [ 3] 48. PIN LENGTH OPTION “-5”: 4.5mm nom “-6”: 3.7mm nom default is 5mm nom M 3 X0. M OUNTI HOLE 5 NG 4 PLACES 0. 50 [ 7] 12. 0. 20 [ 2] 5. see A 2. 0. 08Ø [ 0Ø]2 PLACES 0. 20 [ 1] 5. + Vi n + Out put 1. 0. 04Ø [ 0Ø]7 PLACES 2. 00 2. 40 [ 8] [ 0] 50. 61. -Vi n - put Out 0. 46 [ 8] 11. PI SI DOW N N DE 0. 50 [ 7] 12. 1. 90 [ 3] 48. 0. 50 [ 7] 12. SI VI DE EW Astec Industry Standard PI ASSI N GNM ENT 0. 90 1. 20 [ 8] 22. 1. 50 [ 4] 30. 38. 1. 90 [ 1] [ 3] 48. 4 5 3 6 7 2 9 1 0. 90 [ 9] 22. 1. 20 [ 5] 1. 30. 50 [ 2] 38. 1. 90 [ 3] 48. PI SI UP N DE NOTE: All dimensions are in Inches [millimeters] NOTES: Pin Placement Tolerance: ± 0.005 [0.127] ALL DI ENSI M ONS ARE I I N NCHES ( I M ETERS) M LLI Mechanical Tolerance: ± 0.002 [0.5] 0. PI PLACEM ENT TOLERANCE :± 0. N 005( 127) M ECHANI CAL TOLERANCE ± . 002( 5) 0. 1 + Vi n 2 Enabl ( Of) e On/ f 3 CASE 4 -Vi n 5 - put Out 6Sense 7 Trm i 8 + Sense 9 + Out put www.astecpower.com 3