DTX42K48 ASTEC | Alldatasheet
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Technical content
Business-Critical Continuity DTX42K48
42 Amps
- Fully Digital-mode DC -DC con- verter
- Extensive PMBus TM 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 Total Power: 50 Watts Input Voltage: 48V # of Outputs: Single Electrical Specifications Safety Input Input range 36 to 75VDC Input surge 100V / 100ms Under voltage lock-out Programmable 34V - 36V (default turn-on) 30V - 33V (default turn-off) Output Line regulation ±0.18%Vo Load regulation ±0.1%Vo Output voltage setpoint ±0.5% Noise/ripple2 25mV Typ Remote sense Differential mode - up to 10%Vo Transient response2 Programmable Loop compensation Default: 5% Vo deviation 50% to 75% load change Overvoltage protection Programmable range and mode Default - 115% lo Over current protection Programmable range and mode Default - 115% lo Over temperature protection Programmable range and mode Default - 110°C (at ref sense point) Switching frequency Programmable - 380 KHz default Isolation Voltage 1500 Vdc Control Voltage Adjust Programmable range: 0.96V to 1.44V Enable Programmable Logic (posititve and negative) UL, cUL 60950 (Pending) TUV EN60950 (Pending) Rev. 09.29.05 DTX Series 1o f 2 Ambient air operating temperature range -40°C to +85°C Storage temperature -40°C to +125°C MTBF >1 million hours Environmental Specifications
Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2005 Emerson Electric Co. Embedded Power for Business-Critical Continuity Emerson Network Power. The global leader in enabling business-critical continuity. EmersonNetworkPower. com AC Power Connectivity DC Power Embedded Power Inbound Power Integrated Cabinet Solutions Outside Plant Precision Cooling Site Monitoring and Services Pin Assignments Astec Power
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 Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 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 For global contact, visit: www.astecpower.com technicalsupport@astec.com 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 U S A
Ordering Information
Input Voltage Output Voltage Output Current Efficiency Model Number 36V to 75V 1.2V 42A 86% (Typ) DTX42K48-S Rev. 09.29.05 DTXSeries 2o f 2 Power Train Pin No Symbol 1 +Vin
2 Enable
5, 7, 9 +Vout 6, 8, 10 -Vout 11 -Sense PMBusTM Pin No Symbol
12 PMBus SDA
13 PMBus SCL
15 PMBus Gnd
14 ADC Ext
16 C2Bus Gnd
17 C2CK
18 C2D
20 C2CK300
21 C2D 300
22 C2_Prog Bias
Notes: 1. All specifications are typical at nominal line, full load and T A = 25 °C unless otherwise noted. 2. Measurements taken with output capacitive termination: 10mF tantalum in parallel with 0.1mF ceramic capacitor. 3. Programming pins for advance feature sets / customer specific features not required for normal operation. 4. Technical reference Notes should be consulted for detailed information when available. 5. All specifications subject to change without notice.