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| VRK81B100CS Programmable, 100A Single Output DC/DC Converter SELECTION GUIDE Order Code VRK81B100CS-1C Input Voltage V (NOM.) 12 Output Voltage V 0.8-1.55 Output Current A 100 Efficiency % (Typ.) 85 INPUT CHARACTERISTICS Parameter Input voltage operating range Conditions1 Turn-on threshold Turn-off threshold Hysteresis voltage Typical: 80A, 1.4VID, VIN = 12V Max: 80A, 1.55VID, VIN = 12V Enable state, no load Disabled state On state range Off state range Min. 10.2 6.5 5.4 0.7 Typ. 12.0 6.9 6.0 0.9 11 200 20 Max. 13.2 7.3 6.6 1.1 13 400 50 5 0.4 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 SMBus temperature monitor Enable - positive logic Maximum input current No-load input current Disabled input current A mA V 100 10 0.8 -0.3 OUTPUT CHARACTERISTICS Parameter Voltage set point Line regulation Load regulation Voltage total regulation DC Ripple & noise 2 Current operating range Efficiency Turn-on time Recommended bulk output capacitance IO = 100A, VID = 1.325V IO = 80A, VID = 1.325V VIN present: enable to 90% VOUT 560F, 4V alum poly 10F, 1206 X7R ceramic Conditions1 5-Bit DAC controlled Min. 0.800 -5 VID-50mV Typ. 0 0.6 Max. 1.55 5.0 VID+50mV Units V mV m V mVp-p 20MHz bandwidth, using recommended output capacitors 0 82 83 8.4 100 84 85 50 8 25 A % mS EA EA DESCRIPTION VRK81B100CS 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. High efficiency of 85% at full load for reduced power dissipation to simplify system thermal management. Packaged in a compact design, VRK81B100CS is ideal for use in a wide variety of server applications. This product is a direct replacement for VRK81B080CS. 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 1.303 300 TEMPERATURE CHARACTERISTICS Parameter Storage temperature range Operating temperature range Conditions1 Non-condensing See derating graph Min. -40 0 Typ. Max. 70 60 Units C PROTECTION CHARACTERISTICS Parameter Output overcurrent shutdown Overvoltage Indication, CBOUT For full details go to www.murata-ps.com/rohs Conditions1 Latching VOUT Min. 115 Typ. Max. 120 Units A V 2.1 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 MDC_VRK81B100CS.B01 Page 1 of 4 VRK81B100CS Programmable, 100A Single Output DC/DC Converter THERMAL DERATING GRAPH 110 100 90 200 LFM 300 LFM 400 LFM 500 LFM Current 80 70 60 50 30 40 Temperature 50 60 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 MDC_VRK81B100CS.B01 Page 2 of 4 VRK81B100CS Programmable, 100A Single Output DC/DC Converter PART NUMBER CODING VRK81B100CS-1C Family VR = VRM AMD K8 support K81 = K8 Input voltage B = 12VIN PACKAGE SPECIFICATIONS PIN ASSIGNMENT Pin 1 2 3 4 5 6 7 8 9 101 111 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Pb free C = RoHS Version Form factor S = Standard (2U) Mounting type C = Card edge Peak output current 100 = 100A Signal GND GND GND VID4 VID2 VID0 COREFB_H PWRGD ENABLE SmDA SMCL SGND VDD CORE+ VDD CORE+ VDD CORE+ GND GND GND VDD CORE+ VDD CORE+ VDD CORE+ VDD CORE+ VDD CORE+ VDD CORE+ GND GND GND Pin 54 53 52 51 50 49 48 47 461 451 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 Signal +12VIN +12VIN +12VIN VID3 VID1 NC CORERB_L CBOUT ADD 0 ADD 1 VRMPRES_L +5V ALWAYS VDD CORE+ VDD CORE+ VDD CORE+ GND GND GND VDD CORE+ VDD CORE+ VDD CORE+ VDD CORE+ VDD CORE+ VDD CORE+ GND GND GND 1. Optional features. Substitute "NC" if option is not ordered. www.murata-ps.com Technical enquiries - email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_VRK81B100CS.B01 Page 3 of 4 VRK81B100CS Programmable, 100A Single Output DC/DC Converter PACKAGE SPECIFICATIONS (continued) MECHANICAL DIMENSIONS Recommended Interface Connector Options Typco/Elcon 283-0172-01303 (Solder Tail, Long) 283-0172-02303 (Solder Tail, Short) 284-0202-03003 (Surface Mount) All dimensions in inches 0.03 (mm 0.25mm). Weight: 2.08oz (59g) 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 01/23/09 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 MDC_VRK81B100CS.B01 Page 4 of 4 |
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