Astec Integrated Power W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 46 50 Watts AK60A Total Power: Input Voltages: No. of Outputs: 50 Watts 24V Single Electrical Specs Input Input Range Efficiency 18 to 36 VDC 83% typical (5V @ 10A); 87% typical (12V @ 4.2A) Output Load Regulation Line Regulation Noise/Ripple 0.2% typical 0.2% typical 150 mV typical (output below 5V) 3% typical (output 5V and over) Up to 0.5V Remote sense Output Voltage Adjust Range Transient Response Special Features Overvoltage Protection • High efficiency - up to 87% • 500 KHz Fixed frequency • 100°C Baseplate operating temperature (no derating) • Low output ripple and noise • Excellent transient response • High reliability - over 1 million hours MTBF • Wide input voltage range • TTL compatible enable control • Adjustable output voltage • Overtemperature and short circuit protection Current Limit ±10% of nominal output 10% maximum deviation with 500µs (25-75% full load) recovery 130% nominal Vo 160% nominal Vo (2.2V output) 140% nominal Vo (3.3V output) 115% lo maximum Control Voltage Adjust Enable 90 to 110% Vo TTL compatible (low to enable) Environmental Operating temperature (baseplate): -40°C to +100°C Storage temperature: -55°C to +105°C Overtemperature protection: 110°C typical MTBF: > 1 million hours (50°C baseplate) Safety UL UL 1950 E182206 CSA CSA22.2-234 CSA22.2-950 LR53982C VDE IEC950 20396-3336-1013* EN 60950* CE CEMark (LVD)* * On selected models 46 America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662 W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 47 AMERICAS EUROPE ASIA 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 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 AK60A Ordering Information Input Voltage Output Voltage Output Current Model Number 24V 24V 24V 24V 24V 24V 2.2V 3.3V 5V 12V 15V 24V 10A 10A 10A 4.2A 3.3A 2A AK60A-024L-022F10G AK60A-024L-033F10G AK60A-024L-050F10G AK60A-024L-120F04G AK60A-024L-150F03G AK60A-024L-240F02G Please contact Astec for information on other output voltages, power ranges and configurations. Pin Assignments Input Output Control Pins 31. +ve 32. –ve 22. 23. 24. 26. 27. 28. 1. 2. 3. 4. 5. 6. 7. 8. +ve +ve +ve -ve -ve -ve +SENSE RSV V ADJ -SENSE S COM C. SHARE ENABLE CLK IN Notes: 1.Nominal values apply with sense pins connected and other control pins unconnected. 2. Specifications subject to change without notice. 3. Warranty: 1 yr +O/P +I/P 6 18 to 36V or 36 to 72V 5 2 8 3 1 +SENSE Load 7 -I/P –SENSE 4 –O/P Astec Integrated Power Enable (close to enable) Output voltage adjust www.astec.com 47