ATCR250-48D12-03J

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 I C 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 EN609 50-1 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 I C lines, address strapping 2 18. INTRPT Interrupt Alarm I C Register out of limits, LM80 pin INT direct connection 2 19. A1 I C lines, address strapping 2 20. SCL Clock I C lines, clock line input 652 2 21. A0 I C 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.