ALD18 ASTEC [Astec America, Inc], ALD18 Datasheet
ALD18
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ALD18 Summary of contents
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ALD12/18/20/25 Single Output 16 The ALD12/18/20/25 series is Astec’s latest 16 75V, the series provides 6 configured outputs from 1.2V all the way up to 5V. It delivers up to 25A max current for 1.8V and lower at impressive levels ...
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Electrical Specifications ABSOLUTE MAXIMUM RATINGS Stresses in excess of the absolute maximum ratings can cause permanent damage to the converter. Functional operation of the device is converter is not implied at these or any other conditions in excess of those ...
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Electrical Specifications (continued) OUTPUT SPECIFICATIONS Parameter Output Voltage Set point IN, MIN IN,MAX O,Max Output Regulation Line IN, Min Load ...
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Electrical Specifications (continued) OUTPUT SPECIFICATIONS (continued) Parameter Turn-On Response Time IN-MIN to IN-MAX Enable to Output Turn-ON Delay IN-MIN to IN-MAX O,MIN to O,MAX +V ...
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Electrical Specifications (continued) SAFETY AGENCY / MATERIAL RATING / ISOLATION Parameter Safety Approval Material Flammability Rating Parameter Input to Output Capacitance Input to output Resistance Input to Output Insulation Type BATTERY Measure input reflected-ripple current with a simulated source inductance ...
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Basic Operation and Features INPUT UNDER VOLTAGE LOCKOUT To prevent any instability to the converter, which may affect the end system, the converter have been designed to turn-on once the voltage range of 34-36 VDC. Likewise, it ...
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Basic Operation and Features (continued) OUTPUT ENABLE (continued) For Positive Enable, the converter is turned on when the Enable pin is at logic HIGH or left open. The unit turns off when the Enable pin is at logic LOW or ...
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Performance Curves 5V Version Efficiency vs. Output Current, T 95% 90% 85% 80% 75% 70% 65% 60% 55 Output Current (Amps) Figure 6. 5V Efficiency vs. output current at various input line conditions ...
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Performance Curves 5V Version (continued) ALD12A48 Current vs. Temperature LFM 4 100LFM 200 LFM 2 300LFM 400 LFM Temperature (°C) Figure 10. 5V Output current vs. ambient temperature curves at V ...
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... Performance Curves 3.3V Version (continued) Figure 14. 3.3V Startup Characteristic Full Load ALD18F48 Current vs. Temperature 0LFM 6 1 00LFM 4 200LFM 300LFM 2 400LFM Temperature (°C) Figure 16. 3.3V Output current vs. ambient temperature curves 48Vdc. IN MODEL: ALD12/18/20/25 SERIES AUGUST 17, 2005 – ...
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Performance Curves 2.5V Version Efficiency vs. Output Current, T 95% 90% 85% 80% 75% 70% 65% 60% 55 Output Current (Amps) Figure 18. 2.5V Efficiency vs. output current at various input line conditions ...
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Performance Curves 2.5V Version (continued) ALD20G48 Current vs. Tem perature LFM 1 00 LFM 5 200 LFM 300 LFM 400 LFM Ambient Tem perature (°C) Figure 22. 2.5V Output current vs. ambient ...
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Performance Curves 1.8V Version Figure 26. 1.8V Startup Characteristic Full Load ALD25Y48 Current vs. Temperature LFM 1 00 LFM 200 LFM ...
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Performance Curves 1.5V Version Efficiency vs. Output Current, T 95% 90% 85% 80% 75% 70% 65% 60% 55 Output Current [A] Figure 30. 1.5V Efficiency vs. output current at various input line conditions ...
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Performance Curves 1.5V Version (continued) Output Current vs. Temperature LFM (0 m/ LFM (0.5 m/s) 200 LFM (1 m/s) 5 400 LFM (3 m/ Ambient Temperature [°C] Figure 34. ...
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Performance Curves 1.2V Version (continued) Figure 38. 1.2V Startup Characteristic ALD25K48 Current vs. Tem perature LFM 1 00 LFM 200 LFM 5 300 LFM 400 LFM ...
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Input Filter for FCC Class B Conducted Noise A reference design for an input filter that can provide FCC Class B conducted noise levels is shown below (See Figure 42). Two common mode connected inductors are used in the circuit ...
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Mechanical Specifications Parameter Dimension Weight PIN ASSIGNMENT 0.137 [3.5] MIN ({ -6 O PTION} PIN LENGHT). 0.152 [3.9] MAX 0.189[4.8]MIN. 0.205 [5.2]MAX. SIDE VIEW Figure 43A. Mechanical Outline – Through hole termination MODEL: ALD12/18/20/25 SERIES AUGUST ...
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Mechanical Specifications (continued) 0.30 [7.6] Figure 43B. Mechanical Outline – SMT (Solder Ball) Termination. SOLDERING CONSIDERATIONS The through hole terminated compatible with standard wave soldering techniques. When wave soldering, the converter pins should be preheated for 20-30 sec at 110 ...
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PART NUMBERING SCHEME CONSTRUCTION O/P CURRENT Open frame 12 = 12A E = Baseplate 18 = 18A 20 = 20A 25 = 25A 25 = 25A 25 = 25A Note: 1) For Through Hole termination: ...