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| NXI110 Series DC/DC CONVERTERS * * * * Single output, 5 Bit Selectable (Non-Isolated) 110W Non-isolated DC/DC Converters 1 Meets VRM9.0 specification High efficiency: 84% typical @ Vin = 12V, Vout = 1.7V, Iout = 60A Multi-phase power conversion Microprocessor voltage identification input - 5 Bit VID input - 1.10V to 1.85V in 25mV steps Remote enable pin Power good signal True double ended differential remote sense Democratic current sharing, no need for master/slave configuration Up to 50A/sec load transient no load to full load, recovery within 50sec Overcurrent and short circuit protection Overvoltage protection with on board fuse Vertical plug-in to standard motherboard connector No minimum load requirement * * * * * * * * * The NXI110 non-isolated DC/DC converters are designed to meet the exceptionally fast transient response requirements of today's microprocessors and fast switching logic in a compact size at a very affordable price. Advanced Circuit techniques, component selection and placement optimization, state-of-the-art thermal packaging, and Surface Mount Technologies provide a high power density, highly reliable, and very precise voltage regulation system for advanced microprocessors. Multi-phase power conversion techniques allow the NXI converters to lead the industry with regard to conversion efficiency without adding unneccesary complexity. VRM9.0 specification compliant without the need for expensive external components. On board active current sharing circuit guarantees the current sharing specification is met both during both static and dynamic load conditions. All specifications are typical at nominal input, full load at 25C unless otherwise stated 2 YEAR WARRANTY SPECIFICATIONS OUTPUT SPECIFICATIONS Voltage adjustability Set point accuracy Ripple and noise (See Note 1) Transient response peak dev. settling time Short circuit protection INPUT SPECIFICATIONS Input voltage range Input current UVLO turn ON voltage UVLO turn OFF voltage Start-up time Nominal line 12Vin nominal No load Remote OFF 11.0 to 13.2VDC 300mA 40mA max. 10.8V typ. 9.5V typ. 10ms Vout 20MHz bandwidth (See Note 2) See table 0.8% 15mV pk-pk 125mV 50s Continuous automatic recovery GENERAL SPECIFICATIONS Efficiency Switching frequency Standards Weight MTBF Mating connector ENVIRONMENTAL SPECIFICATIONS Maximum temperature shock Temperature shock Humidity Altitude Ref. to -input 5.0VDC 0.8VDC max. Shock Vibration (See Note 5) Electrostatic discharge Thermal performance (See Note 7) Operating Operating Non-operating Operating Storage Operating Storage Operational and non-operational Operational and non-operational Operating (See Note 6) Non-operating Operating ambient temperature 5C/10 min. 10C/hour 20C/hour 85% RH 95% RH 10,000 feet max. 50,000 feet max. 50G 11ms half sine wave 0.02G2/Hz max. ESD 15kV ESD 25kV 0 to +60C Bellcore TR-332 1V7, 1V85 output @ 60A 1V10 output @ 60A Fixed (See Note 3) 94V-0 Flammability rating 75g (2.64 oz) 2,000,000 hours (See Note 4) 84% 76% 900kHz Active high remote ON/OFF Logic compatibility ON Open circuit voltage OFF File Name: NXI110.PDF Rev: 02 May 2002 NXI110 Series DC/DC CONVERTERS INPUT VOLTAGE 12VDC Notes 1 2 3 Single output, 5 Bit Selectable (Non-isolated) 110W Non-isolated DC/DC Converters 2 For the most current data and application support visit www.artesyn.com/powergroup/products.htm NOMINAL OUTPUT VOLTAGE See Table 2 NOMINAL OUTPUT CURRENT 60A TYPICAL EFFICIENCY 84% MODEL NUMBER NXI110-12P1V8C 15mV pk-pk ripple with no external output filtering. Vin = 12V, Vout = 1.6V, Iout = 60A. 125mV peak deviation when slewing load from no load to full load at 50A/sec. Oscon type low impedance caps required across output. Each phase operates at a fixed 225kHz. Effective fundamental output frequency is 900kHz / 4 phases each at 225kHz interleaved. 4 5 6 7 Recommended mating connector is AMP 1364125-1 or equivalent. From 5Hz to 20Hz, maintaining 0.02G2/Hz from 20Hz to 500Hz, all axes. Initilization level; ESD event shall cause no out-of-regulation conditions. Requires 400LFM forced air over the converter. Ensure the thermal reference point (see figure 2) is kept below 95C to maintain the reliability of the converter. TABLE 1 : PIN CONNECTIONS PIN NO. FUNCTION PIN NO. FUNCTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Vin+ Vin+ Vin+ Vin+ Reserved Key VID3 VID1 Reserved PWRGD Vo senReserved VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ Vo32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ VoVo+ Vo+ Reserved Vo sen+ OUTEN Ishare VID0 VID2 VID4 VRM-pres VinVinVinVinVID4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TABLE 2 : VOLTAGE IDENTIFICATION (VID) CODES VID3 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 VID2 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 VID1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 VID0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 VDAC Off 1.100 1.125 1.150 1.175 1.200 1.225 1.250 1.275 1.300 1.325 1.350 1.375 1.400 1.425 1.450 1.475 1.500 1.525 1.550 1.575 1.600 1.625 1.650 1.675 1.700 1.725 1.750 1.775 1.800 1.825 1.850 www.artesyn.com File Name: NXI110.PDF Rev: 02 May 2002 NXI110 Series DC/DC CONVERTERS Mechanical Notes 1 All dimensions in INCHES (mm). Single output, 5 Bit Selectable (Non-isolated) 110W Non-isolated DC/DC Converters 3 For the most current data and application support visit www.artesyn.com/powergroup/products.htm 3.800 (96.520) 3.600 (91.440) 0.563 (14.300) MAX 0.425 (10.795) 0.100 (2.540) TYP COMP CLEAR 0.425 (10.795) 0.54 (13.72) 0.425 (10.795) 2.300 (58.420) 1.075 (27.305) 6 No Contact 2.615 (66.421) REF 1 62 KEEP OUT AREA 0.310 (7.874) 11 12 31 32 32-62 1-31 0.300 (7.620) 0.610 (15.494) 1.122 (28.499) REF 0.093 (2.362) 0.307 (7.798) DIMENSIONS IN INCHES (MM) 0.042 (1.067) KEY 3.000 (76.200) 3.186 (80.924) 0.250 (6.350) MAX 0.063 (1.600) THK FR-4 DBL-SIDED CIRCUIT BOARD W/GOLD-PLATED (30u") CONNECTOR FINGERS Figure 1: Mechanical Drawing TRP Figure 2: Thermal Reference Point (TRP) Monitor Tab Indicated Data Sheet (c) Artesyn Technologies(R) 2002 The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein. www.artesyn.com File Name: NXI110.PDF Rev: 02 May 2002 |
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