IPM300

process yellow Embedded Power for Business-Critical Continuity 116 1375 Rev. 02.25.11 111 IPM300 Series 1 of 3 IPM300 1797 Dual 48 V ATCA Input Power Module Total Power: 300 Watts 375 Input Voltage: -48 Vdc Output: 3.3 V Management Bus 5.0 V Management Bus 3405 Electrical Specifications Input Input Range: -36 V to -75 Vdc 313 Transient: -100 Vdc (< 1 ms) Inrush Current (without EARLY pin): 14 A typ Special Features Recommended EARLY A/B resistor: 100ohm, surge rated 2010 case size Optimized footprint for high Inrush Duration: < 2 ms density ATCA applications 2985 Accepts inputs from -48 V and B Undervoltage Lockout: -36 < V in Feeds Overvoltage Lockout: -78 V < 85 Vdc in Hot Swap and ORing functionality 3.3 Vdc and 5.0 Vdc Isolated Efficiency: 98% 300 W 240 Management Power Output Adjustable Hold Up Voltage from 5.0 V Management Bus 3.3 V Management Bus 50 to 95 Vdc I2C serial bus interface for Nominal Setpoint: 5.0 V 3.35 V monitoring and reporting 242 1 Total Regulation Band : 4.8 - 5.2 V 3.17 - 3.43 V Programmable alarm thresholds via I2C bus Output Current: 0 - 0.15 A 0 - 3.6 A Hardware alarms via opto- Current Limit: 130% Io, max (typ) 130% Io, max (typ) isolators for loss of A or B Feeds Comprehensive protection Short Circuit: Shutdown/Autorecovery 2607 circuitry - current, voltage and 2 Ripple and Noise : 60 mVp-p 65 mVp-p temperature, inrush current, Overvoltage: Vo > 13.4 Vdc Vo > 5.0 Vdc (typ) reverse polarity EU directive 2002/95/EC External Output Capacitance: TBD 1000 uF max 652 compliant for RoHS Isolation Characteristics Input to Output Isolation Voltage: 2250 Vdc Input to Output Insulation: Basic Environmental Specifications Safety Operating temperature range: -40 C to +85 C ambient UL/cUL 60950-1 (E186249) Storage temperature: -55 C to +125 C TUV EN60950-1 MTBF: > 1 MHrs 25 C 100% Load (B100551485779)process yellow Embedded Power for Business-Critical Continuity 116 1375 Rev. 02.25.11 111 IPM300 Series 2 of 3 Part Number System with Options 1797 Ordering Information Model Number Input Output Output Current Typical Note 3.3 V 3.6 A 2 IPM300 -36 to -75 Vdc 98% -48 V / 300 W With I C Interface 5.0 V 0.150 A 375 Pin Assignments Pin Number/Pin Name Function Note 3405 1. -48V A Feed Power input from A bus Connects to ATCAZone 1 connector pin 33 via external 12 A fuse 2. -48V B Feed Power input from B bus Connects to ATCAZone 1 connector pin 34 via external 12 A fuse 3. 48V Return A Feed Power return from A bus Connects to ATCAZone 1 connector pin 28 via external 12 A fuse 4. 48V Return B Feed Power return from B bus Connects to ATCAZone 1 connector pin 29 via external 12 A fuse 313 Connects to ATCAZone 1 connector pin 32 via external 1 A fuse. Used When connected to RTN A, turns ON isolated open col- 5. Enable A Feed to signal to management suystem correct board insertion and lector A enabled device (See Note 3) presence of A bus Connects to ATCAZone 1 connector pin 27 via external 1 A fuse. Used When connected to RTN B, turns ON isolated open col- 6. Enable B Feed to signal to management suystem correct board insertion and lector B enabled device (See Note 3) presence of B bus 2985 7. SHELF GND Shelf/Chassis/Safety Ground 8. +5.0V Management +5.0V Management Power - Blue Service LED Power 9. +3.3V Management 3.3V Isolated Management Power Output Power 240 2 2 10. Address I C Address I C lines, address strapping 2 2 11. Data I C Data I C lines, serial data 2 2 12. Clock I C Clock I C lines, clock line input 13. LOGIC GND Logic/Secondary/Isolated Ground Opto-Isolated -48V A/B Feed Loss or Open Fuse Alarm 242 14. ALARM with respect to LOGIC GND The -48VDC Output connects directly to the Input of an External 15. -48V OUT ORd and Inrush Protected -48VDC Output DC-DC Converter 16. Holdup Trim Adjustable 50 to 95 V Hold Up Trim The VRTN Out connects directly to the Input of an External DC-DC 17. VRTN OUT ORd and Inrush Protected -VRTN Output 2607 Converter 18. Holdup Capacitor Holdup/Bulk Capacitor output voltage Notes: 652 1. Regulation band over line, load and temperature. 2. Measured at 20 MHz with external 22 mF Tantalum in parallel with 1 mF ceramic, 25 V rated low ESR type capacitors across each output. 2 3. Both Enables (A/B) have to be connected to their respective RTNS to enable the Internal power management I C. 4. All specifications are typical at nominal line, T = 25 C unless otherwise indicated. A 5. All specifications are subject to change without notice. 6. Technical Reference Notes and Application Notes should be consulted for complete product details 7. Warranty 2 years.