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% • -40°C to 100°C 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): -40°C to +100°C Storage temperature: -55°C to +105°C Overtemperature protection: 110°C 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 25°C 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