Embedded Power for Business-Critical Continuity Rev. 09.29.05 DTX Series 1 of 2 DTX42K48 42 Amps Total Power: 50 Watts Input Voltage: 48V # of Outputs: Single Electrical Specifications Input Special Features • Fully Digital-mode DC-DC converter • Extensive PMBusTM command set implementation for maximum control opportunity • Efficiency optimizer (Pat. Pending) • Self Diagnostics (Pat. Pending) • User accessible data storage • Low profile SMT termination for tight-fit applications (portable equipment, etc) • User accessible operating code for optimum flexibility • Basic Insulation Input range 36 to 75VDC Input surge Under voltage lock-out 100V / 100ms Programmable 34V - 36V (default turn-on) 30V - 33V (default turn-off) Output Line regulation Load regulation Output voltage setpoint Noise/ripple2 Remote sense Transient response2 ±0.18%Vo ±0.1%Vo ±0.5% 25mV Typ Differential mode - up to 10%Vo Programmable Loop compensation Default: 5% Vo deviation 50% to 75% load change Programmable range and mode Overvoltage protection Default - 115% lo Programmable range and mode Over current protection Default - 115% lo Over temperature protection Programmable range and mode Default - 110°C (at ref sense point) Programmable - 380 KHz default Switching frequency 1500 Vdc Isolation Voltage Control Voltage Adjust Enable Programmable range: 0.96V to 1.44V Programmable Logic (posititve and negative) Environmental Specifications Safety UL, cUL 60950 (Pending) TUV EN60950 (Pending) Ambient air operating temperature range -40°C to +85°C Storage temperature -40°C to +125°C MTBF >1 million hours Embedded Power for Business-Critical Continuity Astec Power Ordering Information Input Voltage Output Voltage Output Current Efficiency 36V to 75V 1.2V 42A 86% (Typ) Model Number DTX42K48-S Pin Assignments Power Train PMBusTM Pin No Pin No Symbol ADC Input Symbol 1 +Vin 12 PMBus SDA 2 Enable 13 3 -Vin 15 4 +Sense Pin No 14 Symbol ADC Ext Programming3 Pin No 5810 Van Allen Way Carlsbad, CA 92008 USA Telephone: +1 760 930 4600 Facsimile: +1 760 930 0698 Technical Support: +1 888 41 ASTEC or +1 407 241 2752 Symbol 16 C2Bus Gnd PMBus SCL 17 C2CK PMBus Gnd 18 C2D 19 -Vin 5, 7, 9 +Vout 20 C2CK300 6, 8, 10 -Vout 21 C2D 300 11 22 C2_Prog Bias -Sense Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 3. Programming pins for advance feature sets / customer specific features not required for normal operation. Units 2111-2116, Level 21 Tower 1, Metroplaza 223, Hing Fong Road Kwai Fong, New Territories Hong Kong Telephone: +852 2437 9662 Facsimile: +852 2402 4426 4. Technical reference Notes should be consulted for detailed information when available. For global contact, visit: Notes: 1. All specifications are typical at nominal line, full load and TA = 25 °C unless otherwise noted. 2. Measurements taken with output capacitive termination: 10mF tantalum in parallel with 0.1mF ceramic capacitor. 5. All specifications subject to change without notice. Mechanical Outline Rev. 09.29.05 DTXSeries 2 of 2 www.astecpower.com [email protected] While every precaution has been taken to ensure accuracy and completeness in this literature, Astec Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. Printed in US A Emerson Network Power. The global leader in enabling business-critical continuity. AC Power Connectivity DC Power Embedded Power Inbound Power Integrated Cabinet Solutions Outside Plant Precision Cooling Site Monitoring and Services EmersonNetworkPower. com Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2005 Emerson Electric Co.