AEH25 EMERSON-NETWORKPOWER | Alldatasheet

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Technical content

North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662 Electrical Specs Special Features 300W AEH25 Ultra High Efficiency

  • High efficiency, 12V@ 93% (Typical)
  • Industry Standard Half Brick baseplate design
  • Low output ripple and noise
  • High capacitive load limit on start-up
  • Remote sense compensation
  • Regulation to zero load
  • Fixed frequency switching
  • Industry Std features: Input UVLO, OCP, OVP, OTP; Short ckt protection; ±10% Output Adjust
  • Positive or Negative enable logic control option
  • Meets Basic Insulation Environmental Operating temperature -40°C to +100°C Baseplate Storage temperature: -55°C to +125°C Overtemperature protection: 110°C typical MTBF: >1 million hours Input Input range 36-75 VDC Input Surge 100V / 100ms Efficiency 93% @ 12V (Typical) Control Enable TTL compatible (positive or negative enable logic control options) Output Regulation (Line, Load, Temp) <2% Ripple and Noise 1 120mV tyical Remote Sense Up to 10%Vout Output Voltage Adjust Range ±10% of nominal output Transient Response 180mV typical output deviation 25% step change 300 µS recovery time Overvoltage Protection 115% nominal output Overcurrent Protection 116% Io nominal Isolation Voltage 1500 Vdc Safety UL, cUL 60950 Recognized TUV EN60950 Licensed Total Power: 300 Watts (12V @ 25A) Input Voltages: 48 V No. of Outputs: Single Astec Industry Standard

Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 AMERICAS

5810 Van Allen Way

Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698

Ordering Information

www.astecpower.com 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 Input Output Efficiency Model Number Voltage Voltage / Current 36V to 75V 12V @ 25A 93% AEH25B48(N)-(5)(6)(T) OPTION: suffix “N” = Negative Enable non suffix “N” = Positive Enable (default) suffix “-6” = 3.7mm pin length suffix “-5” = 4.5mm pin length default pin length = 5mm nominal pin length suffix “T” = “Tuned” version for slow start up time Typical efficiency measurement taken at nominal line, full load, 25°C ambient. 1 +V in 1.90 [48.3] 1.50 [38.1] 1.20 [30.4] 0.90 [22.8] 1.90 [48.3] 1.50 [38.2] 1.20 [30.5] 0.90 [22.9]5

2 Enable (On/Off)

MECHANICAL TOLERANCE ± .002(0.5) PIN PLACEMENT TOLERANCE : ± 0.005(0.127) ALL DIMENSIONS ARE IN INCHES (MILLIMETERS) PIN SIDE UP

3 CASE

7 Trim

NOTES: 4 - Vin PIN ASSIGNMENT 0.04Ø [2.0Ø] 2 PLACES PIN SIDE DOWN 1.90 [48.3] 1.90 [48.3] 2.30 [58.4] 0.50 [12.7] 0.20 [5.1] 0.20 [5.1] - Vin +V in 0.50 [12.7]M3 X0.5 MOUNTING HOLE 0.50 [12.7]

4 PLACES

2.40 [61.0] 2.00 [50.8] -Output +Ou tput SIDE VIEW 0.46 [11.8] 0.08Ø 0.20 [5.2] [1.0Ø] 7 PLACES Pin Assignments Astec Industry Standard Single Output 1. +Vin 2. Enable (On/Off) 3. Case (AEH) 4. -Vin 5. - Output 6. - Sense 7. Trim 8. + Sense 9. + Output 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) AEH25B48 PIN LENGTH OPTION “-5”: 4.5mm nom “-6”: 3.7mm nom default is 5mm nom see A NOTE: All dimensions are in Inches [millimeters] Pin Placement Tolerance: ± 0.005 [0.127] Mechanical Tolerance: ± 0.002 [0.5]