Astec Industry Standard W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 44 150 Watts BK60C-40 Total Power: Input Voltages: No. of Outputs: 150 Watts 48V Single High Efficiency Electrical Specs Input Input range Input Surge Efficiency 36-75 VDC 100V / 100ms 89% @ 3.3V (typ) Output Load regulation 10mV typical down to no load (output below 5V) 10mV typical (outpt below 5V) 200mV p-p max) Up to 0.5V Line regulation Special Features * High efficiency, 5V@89% * -40C to 100C baseplate operating temperature (no derating) * Positive and Negative enable function * Low output ripple and noise * High capacitive load limit on start-up * Remote sense compensation * Regulation to zero load * Fixed frequency switching (300 kHz) Ripple and noise Remote sense Output voltage adjust range Transient Response Overvoltage Protection Current Limit 20% of nominal output 10% max deviation with 25% to 75% full load (output 5V and above) 200mV 130% nominal output (output 5V and above) 160% nominal outpt (2.2V output) 140% nominal output (3.3V output) 115% maximum output Control Environmental Operating temperature (baseplate): -40C to +100C Storage temperature: -55C to +105C Overtemperature protection: 110C typical MTBF: >1 million hours Voltage Adjust Enable 90 to 110% TTL compatible (positive & negative enable options) Notes: 1. Nominal values apply with sense pins connected and other control pins unconnected. 2. Specifications subject to change without notice. Safety 44 UL UL 1950 CAN22.2-950 TUV EN60950 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 45 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 BK60C-40 Ordering Information Input Voltage Output Voltage Efficiency Model Number 48V 48V 48V 1.8V @ 40A 2.5V @ 40A 3.3V @ 40A 81% min 84% min 86% min BK60C-048L-018F40H BK60C-048L-025F40H BK60C-048L-033F40H NOTES: Efficiency is measured at full load and Tc=70 Deg C "N" added to suffix = Negative Enable (Omit suffix for positive enable (default)) Pin Assignments .50 [12.7] Single Output 1. 2. 3. 4. 5. 6. 7. 8. 9. .20 MIN. [5.0] -Vin Case Enable (on/off) +Vin -5V Rtn - Sense Trim + Sense +Out Notes: 1. 20 mHz bandwidth. An external 2.2 mf ceramic capacitor is recommended to be placed from +V out to -V out. 2. Requires a 2.2 mf, 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 25C unless otherwise noted. 4. All specifications subject to change without notice. Mechanical drawings are for reference only. 5. Please refer to the Technical Reference Notes for more information. 6. Warranty: 1 yr NOTE 1 2.30 [58.4] 1.900 [48.26] 2.40 [61.0] 2.000 [50.80] 1.400 [35.56] Mounting Inserts M3 X .5 (4 places) 1 5 2 6 .600 [15.24] 7 3 8 4 9 BOTTOM VIEW Case Material: Metal base, plastic cover Weight: 2.75 Oz / 78 Grams Astec Industry Standard www.astec.com 45