VRK81B080CS

VRK81B080CS Programmable, 80A Single Output DC/DC Converter SELECTION GUIDE Order Code VRK81B080CS Input Voltage V (NOM.) 12 Output Voltage V 0.8-1.55 Output Current A 80 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 Maximum input current No-load input current Disabled input current Enable - positive logic 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 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 mΩ V mVp-p 20MHz bandwidth, using recommended output capacitors IO = 80A, VID = 1.325V VIN present: enable to 90% VOUT 560μF, 4V alum poly 10μF, 1206 X7R ceramic 0 83 8.4 80 85 50 8 25 DESCRIPTION VRK81B080CS 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. High efficiency of 85% at full load for reduced power dissipation to simplify system thermal management. Packaged in a compact design, VRK81B080CU is ideal for use in a wide variety of server applications. A % mS EA EA GENERAL CHARACTERISTICS Parameter Semiconductor junction temperature Material flammability MTBF Switching frequency Conditions1 Package rated to 150ºC UL 94V-0 Calculated (RAC PRISM) Per phase MIN. TYP. MAX. 115 Units ºC 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 ºC PROTECTION CHARACTERISTICS Parameter Output overcurrent shutdown Overvoltage Indication, CBOUT Conditions1 Latching VOUT MIN. 85 TYP. MAX. 120 Units A V 2.1 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.cd4power.com ODC_VRK81B080CS.1 Page 1 of 4 VRK81B080CS Programmable, 80A Single Output DC/DC Converter THERMAL DERATING GRAPH 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.cd4power.com ODC_VRK81B080CS.1 Page 2 of 4 VRK81B080CS Programmable, 80A Single Output DC/DC Converter PART NUMBER CODING 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 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.cd4power.com ODC_VRK81B080CS.1 Page 3 of 4 VRK81B080CS Programmable, 80A 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) C&D Technologies, Inc reserves the right to alter or improve the specification, internal design or manufacturing process at any time, without notice. Please check with your supplier or visit our website to ensure that you have the current and complete specification for your product before use. © C&D Technologies, Inc. 2006 ODC_VRK81B080CS.1 C&D Technologies, Inc. 4607 S.E. International Way, Milwaukie, Oregon 97222, USA Tel: +1 (971) 206-2800 Fax: +1 (503) 786-5011 email: oregon@cdtechno.com C&D Technologies, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151, USA Tel: +1 (508) 339-3000 Fax: +1 (800) 233-2765 email: sales@cdtechno.com No part of this publication may be copied, transmitted or stored in a retrieval system or reproduced in any way including, but not limited to, photography, photocopy, magnetic or other recording means, without prior written permission from C&D Technologies, Inc. Instructions for use are available from www.cd4power.com. www.cd4power.com ODC_VRK81B080CS.1 Page 4 of 4