ALD25 EMERSON-NETWORKPOWER | Alldatasheet

Document overview

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Technical content

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

25 Amps

  • High Efficiency
  • -40°C to +85°C Ambient Air Operation
  • 1.30” x 0.9" x 0.35" TH or SMT package
  • High capacitive load limit on start-up
  • Industry standard feature sets: UVLO, OVP, OCP, OTP, On/Off Enable, Remote Sense, Output Trim
  • Basic Insulation
  • Regulation to zero load
  • Fixed frequency switching
  • EU Directive 2002/95/EC compliant for RoHS Input Input Range 36 to 75 VDC Input Surge 100V /100ms Efficiency 88%@1.8V (Typical) Output Line Regulation ±0.1%V O Load Regulation ±0.1%V O Noise/Ripple1 35mV Typ Remote sense Up to 10% of Vo Transient Response 3%Vo (typ) deviation 50% to 75% Load change 80µs settling time (typ) Overvoltage Protection 125% V O typ (autorecovery) Over Current protection 115% I O typ (autorecovery) Over Temperature 115ºC average PCB temperature Protection (autorecovery) Switching Frequency Fixed Frequency Isolation Voltage 1500 Vdc Control Voltage Adjust 90 to 110% Vo Enable TTL compatible (Positive or Negative enable options) Ambient air operating temperature range: -40°C to +85°C Storage temperature: -40°C to +125°C Overtemperature protection: 115°C PCB temperature (Typical) MTBF: > 1 million hours UL,cUL 60950-1 TUV EN60950-1 Environmental Total Power: 60W Input Voltages: 48 No. of Outputs: Single Safety Astec Industry Standard ALD25

0.35 [8.8] 1.30 [33.0] 0.04Ø 1.0Ø 0.22 [5.5] 0.90 [22.9] 0.03 [0.8] 0.19 [4.8] 0.062 Ø [1.57Ø] (2 EUROPE 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 Output Efficiency 2 Model Number Voltage Voltage Current 36V to 75V 5.0V 12A 91% Typ ALD12A48(N) - (6)(S)(L) 36V to 75V 3.3V 18A 90% Typ ALD18F48(N) - (6)(S)(L) 36V to 75V 2.5V 20A 89% Typ ALD20G48(N)- (6)(S)(L) 36V to 75V 1.8V 25A 88% Typ ALD25Y48(N) - (6)(S)(L) 36V to 75V 1.5V 25A 85% Typ ALD25M48(N)- (6)(S)(L) 36V to 75V 1.2V 25A 83% Typ ALD25K48(N) - (6)(S)(L) NOTES: Efficiency values taken at nominal input full load condition, 25 oC ambient temperature. OPTIONS (N) : "N" = designates Negatve 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) (S) : “-S” = Surface Mount Termination (default is thru hole termination with no sufix “-S required) (L) : “L” = RoHS compliant (RoHS 6) / “Blank” - RoHS compliant with Lead (PB) in solder exemption (RoHS 5) Pin Assignments ALD25 Single Output 1. + Vin 2. Enable 3. - Vin 4. - Vout 5. - Sense 6. Trim 7. + Sense 8. +Vout Notes: 1. Measured at 20MHz bandwidth with external 10 µF tant. capacitor in parallel with 0.1 µF ceramic capacitor placed across +Vout and -Vout; 33µF e-cap or equivalent placed across +Vin and -Vin. 2. Efficiency measurements taken at full load, nominal line and T A = 25 °C. 3. All specifications are typical at nominal line, full load and TA = 25 °C unless otherwise noted. 4. Mechanical drawings are for reference only. Dimensions are in inches [millimeters]. Mechanical tolerance: ± 0.002[0.5], recommended surface mount pads: ∅ = 0.11[2.79] ± 0.005 [0.13]; through hole pin diameter (Pins 4 & 8) ∅ = 0.062 [1.57], others ∅ = 0.04 [1.0] (6X). 5. Technical reference Notes should be consulted for detailed information when available. 6. All specifications subject to change without notice. 7. Warranty 1 yr. Astec Industry Standard 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. (REV08: MARCH 05, 2006) Pin 1 Pin 8 TH Termination 0.60 [15.2] 0.30 [7.6] 0.15 [3.8] 0.10 [2.5] SIDE VIEW PINSIDEUP 0.60 [15.2] 0.45 [11.4] 0.30 [7.6] 0.15 [3.8] 0.15 [3.8] 1.10 [27.9] 0.10 [2.5] PIN SIDE UP SMT Termination 0.90 [22.9] PIN SIDE DOWN 1.30 [33.0] See A PIN LENGTH A Std Pin Length: 0.189 [4.8] MIN 0.205 [5.2] MAX “-6” Option: 0.137 [3.5] MIN 0.152 [3.9] MAX 0.06 [1.4] 0.30 [7.6] 0.30 [7.6] 0.10 [2.5] 0.15 [3.8] 0.60 [15.2] 0.45 [11.4] 0.15 [3.8] 0.30 [7.6] PIN SIDE UP