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| VRK81B100TH Programmable, 100A Single Output DC/DC Converter NOT RECOMMENDED FOR NEW DESIGNS SELECTION GUIDE GUIDE D Order Code r t Voltage o Input Voltage (NOM.) V (NOM.) 12 t Output Voltage Voltage V 0.8-1.55 5 Output Output Curren Current A 100 Efficiency % (TYP.) 86 VRK81B100TH VRK81B100TH 8 INPUT CHARACTERISTICS T CHARACTERISTICS T Parameter Input voltage operating range Conditions1 Turn-on threshold Turn-off threshold Hysteresis voltage Typical: 100A, 1.4VID, VIN = 12V Enable state, no load Disabled state On state range Off state range Active high, pullup required MIN. 11.04 6.7 5.6 0.7 100 10 0.8 -0.3 TYP. 12.0 7.1 6.2 0.9 14 200 20 MAX. 12.6 7.5 6.8 1.1 400 50 5 0.4 5.5 Units V Under voltage lockout FEATURES Meets AMD K8 requirements DAC Programmable output voltage Power good output Differential remote sense Remote enable Supervisory functions Latch off overcurrent Short circuit protection Tri-state output when disabled Dynamic VID capability Maximum input current No-load input current Disabled input current Enable - positive logic Powergood signal A mA V OUTPUT CHARACTERISTICS Parameter Voltage set point Line regulation Load regulation Voltage total regulation DC Voltage total regulation AC Ripple & noise 2 Current operating range Efficiency Turn-on time Recommended bulk output capacitance Conditions1 5-Bit DAC controlled MIN. 0.800 -5 VID-50mV VID-100mV TYP. 0 0.5 MAX. 1.55 5 VID+50mV VID+100mV Units V mV m V V mVp-p DESCRIPTION VRK81B100TH is designed to meet the fast load transients required by AMD 64-bit processors and is fully compliant with the latest AMD64TM processor power specifications. In a horizontal-mount orientation with a max height of 0.415", VRK81B100TH's unique design and thermal packaging delivers 100A of power with efficiencies exceeding 86%. With its ultra low profile and high current rating, VRK81B100TH is an ideal fit for a wide variety of applications including 1U high, or under, rack-mounting equipment and blade servers. 20MHz bandwidth, using recommended output capacitors Based on air flow of 500LFM at 45C IO = 100 Amps VID = 1.550V VIN present: enable to 90% VOUT 560F, 4V alum poly 10F, 1206 X7R ceramic 0 83 8.4 100 86 50 8 25 A % mS EA EA GENERAL CHARACTERISTICS Parameter Semiconductor junction temperature Material flammability MTBF Switching frequency Conditions1 Package rated to 150C UL 94V-0 Calculated (RAC PRISM) Per phase MIN. TYP. MAX. 115 Units C x106 Hrs KHz 1.09 300 TEMPERATURE CHARACTERISTICS Parameter Storage temperature range Operating temperature range Conditions1 Non-condensing See thermal derating graph MIN. -40 0 TYP. MAX. 70 60 Units C PROTECTION CHARACTERISTICS Parameter Output overcurrent shutdown Overvoltage shutdown Conditions1 Latching VOUT MIN. 105 TYP. MAX. 150 Units A V 2.2 1. VIN = 12VDC, TA = 25C, Airflow = 400LFM unless otherwise noted. 2. Output ripple voltage is specified when measured with recommended capacitance at the output of the converter. www.murata-ps.com Technical enquiries - email: sales@murata-ps.com, tel: +1 508 339 3000 ODC_VRK81B100TH.1 Page 1 of 4 VRK81B100TH Programmable, 100A Single Output DC/DC Converter THERMAL DERATING GRAPHS RECOMMENDED INTERCONNECT The module should be soldered in place. The power interconnect is made by 10 pins that are .060 inches in diameter. The signal interconnect is made by 12 pins that are .020 inch square on a 2mm grid. See the recommended footprint or dimensions. VID CODES VID4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 VID3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 VID2 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 1 1 1 1 VID1 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 1 1 VID0 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 1 VOUT 1.550 1.525 1.500 1.475 1.450 1.425 1.400 1.375 1.350 1.325 1.300 1.275 1.250 1.225 1.200 1.175 1.150 1.125 1.100 1.075 1.050 1.025 1.000 0.975 0.950 0.925 0.900 0.875 0.850 0.825 0.800 Shutdown www.murata-ps.com Technical enquiries - email: sales@murata-ps.com, tel: +1 508 339 3000 ODC_VRK81B100TH.1 Page 2 of 4 VRK81B100TH Programmable, 100A Single Output DC/DC Converter PART NUMBER CODING PACKAGE SPECIFICATIONS PIN ASSIGNMENT Pin P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 Signal +12VIN +12VIN GND VDD VDD GND GND VDD VDD GND Pin J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 Signal NC VID0 VID1 VID2 VID3 VID4 COREFB_L/REMOTE SENSECOREFB_H/REMOTE SENSE+ Enable PWRGD -VRMPRES NC www.murata-ps.com Technical enquiries - email: sales@murata-ps.com, tel: +1 508 339 3000 ODC_VRK81B100TH.1 Page 3 of 4 VRK81B100TH Programmable, 100A Single Output DC/DC Converter PACKAGE SPECIFICATIONS (continued) MECHANICAL DIMENSIONS Overall VRM Dimensions VRM Footprint All dimensions in inches 0.03 (mm 0.25mm). Weight: 1.9oz (53.865g) USA: Canada: UK: France: Germany: Japan: China: Singapore: Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com Toronto, Tel: (866) 740-1232, email: toronto@murata-ps.com Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com Munchen, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com Parkway Centre, Tel: +65 6348 9096, email: singapore@murata-ps.com Technical enquiries - email: sales@murata-ps.com, tel: +1 508 339 3000 Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com ISO 9001 and 14001 REGISTERED 01/19/09 Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. (c) 2008 Murata Power Solutions, Inc. www.murata-ps.com |
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