15 Watts Total Power: Input Voltages: No. of Outputs: 15W 24V, 48V Single AK40A Electrical Specs Input Input Range Maximum Inrush Current Limit: Maximum External Capacitor to Limit: Low Input Shutdown: Auto Recovery: Hysteresis: Special Features • • • • • • Surface Mount High Power Desnity 15W/Cu. in. Full power capability without external heatsink Input differential and common mode filtering Hot insertable with inrush current limit Ability to limit inrush current in an external capcacitor • Input undervoltage lockout with hysteresis • Output overvoltage protection • Remote shutdown Efficiency: Enable: Disable: 36 to 75 VDC for 48V 18 to 36 VDC for 24V 1.0 A Max 4.0mF 34.0V ±2.0V for 48V 17.0V ±1.0V for 24V 37.0V ±2.0V for 48V 18.5V ±1.0V for 24V 3.0V ±1.0V for 48V 1.5V ±0.5V for 24V 85% Open Circuit or up to 0.5V max. 4V min, 75V max Output Voltage Tolerance: Noise/Ripple: Output Voltage Adjust Range: Overvoltage Protection: Short Circuit Protection: Switching Frequency: ±3% for single output 75mVrms max. ±10% for single output Self limiting Clamp, 140% max Continuous Auto Start 200kHz nominal Environmental Ambient air operating temperature range: -40°C to +75°C (no derating) Cooling Method: Convection MTBF: > 7.5 Mhrs Storage and Handling per Jedec Std-033 Moisture Sensitivity Level 2 Safety 1 UL 1950 IEC 950 CSA C22.2-9.50 CB 52719-106 North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662 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 Ordering Information Input Voltage Output Voltage Maximum Power Model Number 18V to 36V 18V to 36V 18V to 36V 18V to 36V 18V to 36V 18V to 36V 18V to 36V 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36Vto 75V 1.5V @ 4A 1.8V @ 4A 2.1V @ 4A 2.5V @ 4A 3.3V @ 4A 5.0V @ 3A 12V @ 1.25A 1.5V @ 4A 1.8V @ 4A 2.1V @ 4A 2.5V @ 4A 3.3V @ 4A 5.0V @ 3A 12V @ 1.25A 6.0W 7.2W 8.2W 12.0W 13.2W 15.0W 15.0W 6.0W 7.2W 8.2W 12.0W 13.2W 15.0W 15.0W AK40A-024L-015F04SM AK40A-024L-018F04SM AK40A-024L-021F04SM AK40A-024L-025F04SM AK40A-024L-033F04SM AK40A-024L-050F03SM AK40A-024L-120F01SM AK40A-048L-015F04SM AK40A-048L-018F04SM AK40A-048L-021F04SM AK40A-048L-025F04SM AK40A-048L-033F04SM AK40A-048L-050F03SM AK40A-048L-120F01SM Pin Assignments Single Output 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. +Vout +Vout +Vout +Vout -Vout -Vout -Vout -Vout Reserved Adjust Reserved Reserved Reserved Reserved Reserved Reserved +Vin Shutdown -Vin Reserved Notes: 1. All specifications are typical at nominal input and full load unless otherwise noted. 2. Specification subject to change without notice. 3. Mechanical drwaings are for reference only. 4. Minimum Load: 0.2A (min 15%). 5. Max. Capacitice Load: 330 mF. 6. Warranty: 1 yr. Dimensions: Single Output: 1"W x 2"L x 0.5"H Maximum Weight: Single Output: 20 grams OCTBER 18, 2002 www.astecpower.com 2