VRK81B100TH Programmable, 100A Single Output DC/DC Converter SELECTION GUIDE V (NOM.) V Output Current A 12 0.8-1.55 100 Input Voltage Order Code VRK81B100TH Output Voltage Efficiency % (TYP.) 86 INPUT CHARACTERISTICS Parameter Conditions1 Input voltage operating range FEATURES Under voltage lockout DAC Programmable output voltage Maximum input current No-load input current Disabled input current Power good output Enable - positive logic Differential remote sense Powergood signal Meets AMD K8 requirements 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. TYP. MAX. Units 11.04 6.7 5.6 0.7 12.0 7.1 6.2 0.9 14 200 20 12.6 7.5 6.8 1.1 V 100 10 0.8 -0.3 A 400 50 5 0.4 5.5 mA V Remote enable Supervisory functions Latch off overcurrent Short circuit protection Tri-state output when disabled Dynamic VID capability DESCRIPTION VRK81B100TH is designed to meet the fast load transients required by AMD 64-bit processors and is fully compliant with the latest AMD64™ 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. OUTPUT CHARACTERISTICS Parameter Conditions1 MIN. Voltage set point Line regulation Load regulation Voltage total regulation DC Voltage total regulation AC 5-Bit DAC controlled 0.800 -5 20MHz bandwidth, using recommended output capacitors Current operating range Based on air flow of 500LFM at 45ºC Recommended bulk output capacitance 0 0.5 VID-50mV VID-100mV Ripple & noise 2 Efficiency Turn-on time TYP. IO = 100 Amps VID = 1.550V VIN present: enable to 90% VOUT 560µF, 4V alum poly 10µF, 1206 X7R ceramic MAX. Units 1.55 5 V mV mΩ V V VID+50mV VID+100mV 8.4 0 83 mVp-p 100 86 50 8 25 A % mS EA EA GENERAL CHARACTERISTICS Parameter Conditions1 Semiconductor junction temperature MIN. Package rated to 150ºC Material flammability MTBF Switching frequency UL 94V-0 Calculated (RAC PRISM) Per phase TYP. MAX. 115 1.09 300 Units ºC x106 Hrs KHz TEMPERATURE CHARACTERISTICS Parameter Conditions1 MIN. Storage temperature range Non-condensing -40 TYP. MAX. 70 Operating temperature range See thermal derating graph 0 60 Units ºC PROTECTION CHARACTERISTICS Parameter Conditions1 MIN. Output overcurrent shutdown Latching 105 Overvoltage shutdown VOUT TYP. MAX. Units 150 A 2.2 V 1. VIN = 12VDC, TA = 25ºC, 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: [email protected], tel: +1 508 339 3000 ODC_VRK81B100TH.1 Page of 4 VRK81B100TH Programmable, 100A Single Output DC/DC Converter THERMAL DERATING GRAPHS 7065 "JSnPX*OQVUUP0VUQVU 7065 "JSnPX0VUQVUUP*OQVU -'. -'. -'. -'. 0VUQVU$VSSFOU"NQT 0VUQVU$VSSFOU"NQT -'. -'. -'. -'. "NCJFOU5FNQFSBUVSF$ "NCJFOU5FNQFSBUVSF$ 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 VID3 VID2 VID1 VID0 VOUT 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 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 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 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 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 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: [email protected], tel: +1 508 339 3000 ODC_VRK81B100TH.1 Page of 4 VRK81B100TH Programmable, 100A Single Output DC/DC Converter PART NUMBER CODING 73,#5)$ 'BNJMZ 7373. 1CGSFFDPEF $3P)4 7FSTJPO 'PSNGBDUPS ))PSJ[POUBMNPVOU .PVOUJOHUZQF 55ISPVHIIPMF 1FBLPVUQVUDVSSFOU " ".%,TVQQPSU ,, *OQVUWPMUBHF #7*/ PACKAGE SPECIFICATIONS PIN ASSIGNMENT Pin Signal Pin Signal P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 +12VIN +12VIN GND VDD VDD GND GND VDD VDD GND J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 NC VID0 VID1 VID2 VID3 VID4 COREFB_L/REMOTE SENSECOREFB_H/REMOTE SENSE+ Enable PWRGD -VRMPRES NC www.murata-ps.com Technical enquiries - email: [email protected], tel: +1 508 339 3000 ODC_VRK81B100TH.1 Page of 4 VRK81B100TH Programmable, 100A Single Output DC/DC Converter PACKAGE SPECIFICATIONS (continued) MECHANICAL DIMENSIONS Overall VRM Dimensions *40WJFXGPSSFGPOMZ VRM Footprint 9 1 1 7065 "*3'-08%*3&$5*0/ (/% 1 7065 1 1 (/% (/% 1 1 7065 7065 1 (/% 9 9 7*/ 1 7*/ 1 All dimensions in inches ±0.03 (mm ±0.25mm). 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: [email protected] 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. © 2008 Murata Power Solutions, Inc. www.murata-ps.com Weight: 1.9oz (53.865g) USA: Mansfield (MA), Tel: (508) 339-3000, email: [email protected] Canada: Toronto, Tel: (866) 740-1232, email: [email protected] UK: Milton Keynes, Tel: +44 (0)1908 615232, email: [email protected] France: Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: [email protected] Germany: München, Tel: +49 (0)89-544334-0, email: [email protected] Japan: Tokyo, Tel: 3-3779-1031, email: [email protected] Osaka, Tel: 6-6354-2025, email: [email protected] China: Shanghai, Tel: +86 215 027 3678, email: [email protected] Guangzhou, Tel: +86 208 221 8066, email: [email protected] Singapore: Parkway Centre, Tel: +65 6348 9096, email: [email protected] Technical enquiries - email: [email protected], tel: +1 508 339 3000