process yellow Embedded Power for Business-Critical Continuity 116 1375 Rev. 05.06.11_112 ATCR250 Series 1 of 3 ATCR250-48D12-03J 1797 Total Power: 250 Watts 375 Input Voltage: -48 VDC Output: 12 V Intermediate Bus 3.3 V Management Bus 3405 Electrical Specifications Input Input ra nge: -36 V to -72 VDC 313 Transient: -100 VDC (< 1 ms) External Input Capacitance: 82uF max Inrush Current: 11 A typ Special Features • Optimized footprint for high Inrush Duration: < 2ms density ATCA applications Undervoltage Lockout: -36 < V 2985 IN • Accepts inputs from -48 V and Overvoltage Lockout: -77.5 ≤ V < 72 VDC IN B Feeds Efficiency: 89% @ 250W • CISPR Class A EMI • Adjustable Hold Up Voltage Output 240 from 50 to 80 VDC 12 V Intermediate Bus 3.3 V Management Bus 2 • I C serial bus interface for Nominal Setpoint: 12.2 V 3.32V monitoring and reporting 1 Total Regulation Band: 11.4 - 12.6 V 3.20 - 3.40 V • Programmable alarm Output Current: 0 - 20.83 A 0 - 4.5 A 2 thresholds via I C bus 242 Current Limit: 118% lo, max (typ) 130% lo, max (typ) • Hardware alarms via opto- Short Circuit: Shutdown/Autorecovery isolators for loss of A or B Feeds 2 • Comprehensive protection Ripple and Noise: 50 mVp-p 40 mVp-p circuitry - current, voltage and Overvoltage: Vo > 13.4 VDC Vo > 3.6 VDC (typ) temperature 2607 Undervoltage: NA Vo < 3.0 VDC (typ) • EU directive 2002/95/EC External Output Capacitance: 1000 uF min 100 uF min compliant for RoHS Control/Monitoring ON/OFF+ and ON/OFF-: Remote activation of Module. See ATCR250 Application Note 652 For digital monitoring (Vout, Vin, Temp, lin) referenced to 2 IC Serial Bus Interface: secondary side Isolation Characteristic Input to Output Isolation Voltage: 2250 VDC Input to Output Insulation: Basic Environmental Specifications Safety Operating ambient temperature range: -25 °C to +85 °C ambient • UL, cUL 60950-1 Storage temperature: -40 °C to +125 °C • TUV EN60950-1 MTBF: > 1 MHrs @ 25 °C 100% Load (Target) process yellow Embedded Power for Business-Critical Continuity 116 1375 Rev. 05.06.11_112 ATCR250 Series 2 of 3 Part Number System with Options 1797 Product Rated O/P Power Input Voltage Ouput Voltage RoHS Compliance Family ATCR 250 48 D12-03 J - Dual Output: 375 ATCA Product 250 Watts -36 to -72 VDC 12.0V @ 20.83A - Intermediate Bus J = RoHS 6/6 3.3V @ 4.5A - Management Bus Series 3405 Pin Assignments Pin Number/Pin Name Function Note 1. -48VA Power input from A’ bus Connects to ATCAZone 1 connector pin 33 via external 12 A fuse 2. -48VB Power input from B’ bus Connects to ATCAZone 1 connector pin 34 via external 12 A fuse 313 3. Reserved For future use 4. Hold Up Trim Hold up voltage trim Connects a resistor between this pin and pin 11 to trim hold up voltage 5. RTN A Power return from A’ bus Connects to ATCAZone 1 connector pin 28 via external 15 A fuse 6. RTN B Power return from B’ bus Connects to ATCAZone 1 connector pin 29 via external 15 A fuse When connected to RTN A, turns ON isolated open Connects to ATCAZone 1 connector pin 32 via external 1 A fuse. Used to signal to 7. ENA 2985 collector A enabled’ device (See Note 3) management system correct board insertion and presence of A’ bus When connected to RTN B, turns ON isolated open Connects to ATCAZone 1 connector pin 27 via external 1 A fuse. Used to signal to 8. ENB collector B enabled’ device (See Note 3) management system correct board insertion and presence of B’ bus Connection to module of auxiliary capacitor hold Utilizes greater capacitance in a given can size of lower voltage capacitors. 9. C_CL- up array -ve Clamped to -50V wrt HU+OUT when pin 4 is open. 240 Connection to module of hold up capacitor 10. HU- array -ve Connection from on board filter and 11. HU+OUT management circuits to hold up capacitor May also connect to input of boost module to reduce hold up storage area array +ve Connection to main power converter from hold up 12. HU+IN May also connect to output of boost module to reduce hold up storage area capacitor array +ve 242 Fully floating remote ON/OFF signal, may be used with management system or 13. ON/OFF- Current from pin to turn main output ON ATCA ENABLE_A/B via R-D network Fully floating remote ON/OFF signal, may be used with management system or 14. ON/OFF+ Current into pin to turn main output ON ATCA ENABLE_A/B via R-D network 15. B_OK# Open collector signal, monitors status of B feed Low when OK 16. A_OK# Open collector signal, monitors status of A feed Low when OK 2607 2 17. A2 IC lines, address strapping 2 18. INTRPT Interrupt Alarm IC Register out of limits, LM80 pin INT#’ direct connection 2 19. A1 IC lines, address strapping 2 20. SCL Clock IC lines, clock line input 652 2 21. A0 IC lines, address strapping 2 22. SDA Data I C lines, serial data Also return for A_OK#’ and ‘B_OK#’ signals 2 23., 24. 3V3 RTN Management power return and I C Externally connected to ATCA Zone 1 connector pin 26 25., 26. 3V3 OUT 3V3, 14.85 W management power 27., 28. 3V3 TRIM Trim pin for management power 29. 12V RTN 12V return Externally connected to ATCA Zone 1 connector pin 26 30. 12V OUT 12V power Notes: 1. Regulation band over line, load and temperature. 2. Measured at 20 MHz with external 10 mF Tantalum in parallel with 1 mF ceramic, 25V rated low ESR type capacitors across each out- put. 3. All specifications are typical at nominal line, T = 25 °C unless otherwise indicated. A 4. All specifications are subject to change without notice. 5. Technical Reference Notes and Application Notes should be consulted for complete product details 6. Warranty 2 years. process yellow Embedded Power for Business-Critical Continuity 116 1375 Rev. 05.06.11_112 ATCR250 Series 3 of 3 Americas Mechanical Drawing 5810 Van Allen Way 1797 Carlsbad, CA 92008 ATCR250-48D12-03J USA Telephone: +1 760 930 4600 Facsimile: +1 760 930 0698 375 Europe (UK) Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom 3405 Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355 Asia (HK) 14/F, Lu Plaza 313 2 Wing Yip Street Kwun Tong, Kowloon Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 3888 2985 For global contact, visit: www.Emerson.com/EmbeddedPower techsupport.embeddedpower @emerson.com 240 While every precaution has been taken to ensure accuracy and completeness in this literature, Emerson Network Power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. 242 Emerson Network Power. 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