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Embedded Power for Business-Critical Continuity
VRM64 Series
Single Output
Rev.07.20.07 vrm series 1 of 7
Input Voltage: 12VDC # of Outputs: Single
Special Features
* Meets AMD64 Processor specification * Allows dynamic VID code changes * 5 Bit VID input * 0.8 Vdc to 1.55 Vdc in 25 mV steps * Up to 100 A/s load transient * Differential remote sense for improved load regulation * Vertical plug-in to standard motherboard connector with or without retention latch * Output current up to 80 A continuous * Open collector power good signal * Monotonic turn-on and turn-off * Fused input * SMBus interface * Available RoHS compliant * 2 Year Warranty
The AMD VRM non-isolated dc-dc converter is designed to meet the exceptionally fast transient response requirements of today's microprocessors and fast switching logic in a compact size at an affordable price. Advanced circuit techniques, component selection, placement optimization, and state-of-the-art silicon integration thermal packaging, provide a high power density, highly reliable, and very precise voltage regulation system for advanced microprocessors.
Safety
VDE Certificate No. 2487000-3336-0016
Embedded Power for Business-Critical Continuity
Specifications
Unless otherwise stated, all specifications are typical at nominal input, maximum continuous rated load at 25 C and voltages are referenced to Vin-. OUTPUT SPECIFICATIONS Voltage adjustability Output current Voltage setting accuracy Ripple and noise (See Notes 1, 2) Short circuit protection (See Note 7) Remote sensing compensating voltage INPUT SPECIFICATIONS Input voltage range Input current 12Vin nominal Operation No load Remote OFF Turn ON voltage Turn OFF voltage Hysteresis Nominal line 10.8-13.2 Vdc 12.5 A max. 1.1 A max. 45 mA max. 10.5 V typ. 9.8 V typ. 0.65 V typ. 10 ms max. Ref. to -input >1.7 Vdc <0.8 Vdc Current demand 250 mA typ. 20 MHz bandwidth (See VID codes, Table 3) 0.8-1.55 Vdc 80 A 0.8% 50 mV pk-pk GENERAL CHARACTERISTICS Efficiency Switching frequency Approvals and standards Material flammability Weight Continuous current limit, default setting as trip Up to 300 mV max. MTBF Mating connector (See Table 1 for pin out) Connector fingers ENVIRONMENTAL SPECIFICATIONS Maximum temperature shock Temperature shock Humidity (Non-condensing) Altitude Shock Vibration (See Note 8) Electrostatic discharge IEC61000-4-2 (See Note 6) Thermal performance (See Note 5) Operating Operating Non-operating Operating Non-operating Operating Non-operating Operational and non-operational Operational and non-operational Indirect air Indirect contact Operating ambient temperature Non-operating Telcordia SR-332 Tyco/Elcon 1.5 V output @ 60 A Fixed (See Note 4)
Rev.07.20.07 vrm series 2 of 7
84% typ. 830 kHz IEC/EN60950 VDE UL94V-0 <52 g (<2 oz) >2,000,000 hours 283-0172-01303
Gold plated, 30 -inches
5 C/10 min. 10 C/hour 20 C/hour 85% RH 95% RH 10,000 feet max. 50,000 feet max. 30 G 11ms Half sine wave 0.02 G2/Hz max. 15 kV 8 kV 0 C to +60 C -40 C to +100 C
UVLO
Start-up time Enable Logic compatibility ON OFF +5_ALWAYS
Embedded Power for Business-Critical Continuity
Specifications
Rev.07.20.07 vrm series 3 of 7
INPUT VOLTAGE 12 Vdc
OUTPUT VOLTAGE 0.8-1.55 Vdc
OVP 2.2 Vdc
OUTPUT CURRENT (MIN) 0A
OUTPUT CURRENT (MAX.) 80 A
EFFICIENCY (TYP.) 84%
REGULATION LOAD 50 mV
MODEL NUMBER (10,11) VRM64-80-12-UY
PIN CONNECTIONS 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 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 NO. 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 FUNCTION +12 Vin +12 Vin +12 Vin VID3 VID1 Current Share COREFB L CBOUT ADD 0 ADD 1 -VRMPRES +5 V_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 VID4 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
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 0.800 0.825 0.850 0.875 0.900 0.925 0.950 0.975 1.000 1.025 1.050 1.075 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
Table 1: Pin Connections
0 0 0 0
Table 2: Voltage Identification (VID) Codes
Embedded Power for Business-Critical Continuity
Specifications
SIGNAL ELECTRICAL INTERFACE CHARACTERISTIC - SIGNAL NAME ENABLE - on ENABLE - off PWRGD - high PWRGD - low PWRGD - low threshold PWRGD - turn-on response to ENABLE going high VID - high VID - low OVP1 (See Note 7) OVP2 (See Note 7) OVP drive voltage SMBus Address high SMBus Address low SMBus Data high SMBus Data low ELECTROMAGNETIC COMPATIBILITY CHARACTERISTIC - SIGNAL NAME ESD - Indirect air ESD - Indirect contact Input characteristics: Input current - operating Input capacitance - external bypass Notes
1 2 3 Recommended output capacitance, 48 x 22 F ceramic MLCC. 50 mV pk-pk ripple. Vin = 12 V, Vout = 1.5 V, Iout = 80 A. With the recommended capacitors (See Note 1) across the output, the output voltage stays within the load regulation window for all loads and transient events, up to 80 A. It will also allow instantaneous VID-on-the-fly changes of up to 500 mV at 80 A. VRM64 uses a five phase buck topology. Each phase switches at 830 kHz. This gives an equivalent switching frequency of 4.2 MHz Maximum current requires adequate forced air over the converter. Please consult Figure 1 for thermal derating. When the VRM detects an output over-voltage event, the OVP pin transitions to logic high. This signal can be used to shut down the supply to the VRM, or drive an external crowbar device.
Rev.07.20.07 vrm series 4 of 7
SYMBOL ENABLE (on) ENABLE (off) VPWRGD (high) VPWRGD (low)
MIN 1.7 -0.3 1.7 -0.3
TYP
MAX 5.5 0.8
UNITS V V V
NOTES AND CONDITIONS No pull up resistor provided by the VRM No pull up resistor provided by the VRM No pull up resistor provided by the VRM Open-collector output to not more than 5.5 V, max current 5 mA Below VID setting For waveforms, refer to Application Note 185
0.8 150
V mV
Trise Vih (VID) Vil (VID)
2 1.7 -0.3
2.5
10 5.5 0.8
ms V V V % V V
2.2 133 CB_OUT ADD_x (high) ADD_x (low) SMDA (high) SMDA_x (low) 3.8 -0.3 2.1 -0.3 0.7 5.5 0.8 4
Default setting is trip. At OVP1 or OVP2 whichever is smaller Of VID Setting
V V V
SYMBOL
MIN
TYP
MAX 15 8
UNITS kV kV
NOTES AND CONDITIONS EN61000-4-2 In end user equipment EN61000-4-2 In end user equipment Vin = Vin (typ.), Iout (cont.) = 80 A, VID = 1.5 V
IIN CINext
12 1600
7
A F
4 5 6
These are default settings. The current limit may be set to `trip' or `hiccup'. The output overvoltage limits, input overvoltage and undervoltage settings, the output droop and offset, the current limit setpoint and many others can be changed by component changes. Please consult the factory for details. 8 0.01 G2/Hz from 5 Hz to 20 Hz, maintaining 0.02 G2/Hz from 20 Hz to 500 Hz, all axes. 9 In accordance with AMD requirements, PWRGD will go high at least 2 ms after VDD settles within specifications. 10 The `Y' suffix indicates that these parts are TSE RoHS 5/6 (non Pb-free) compliant. Pb-free (RoHS 6/6) compliant versions may be available on special request, please contact your local sales representative for details. 11 NOTICE: Some models do not support all options. Please contact your local Artesyn representative or use the on-line model number search tool at http://www.artesyn.com/powergroup/products.htm to find a suitable alternative.
Embedded Power for Business-Critical Continuity
Specifications
Rev.07.20.07 vrm series 5 of 7
70
0 OUTPUT VOLTAGE (V) -5 -10 -15 -20 -25 0 10 20 30 40 50 60 70 80 90 100 110 OUTPUT CURRENT (A)
Figure 2: Load Regulation
TEMPERATURE (C)
60 50 40 30 20 40 50 60 70 80 90 100
600LFM (3 m/s) 500LFM (2.5m/s) 400LFM (2m/s) 300LFM (1.5m/s)
11Vin 12Vin 13Vin
OUTPUT CURRENT (A)
Figure 1: Typical Thermal Derating At Sea Level (12 Vin, 1.5 Vout)
86 EFFICIENCY (%) 84 82 80 78 40 60 80 100 11Vin 12Vin 13Vin
OUTPUT CURRENT (A)
Figure 3: Typical Efficiency Vs Load Figure 4: Output Ripple and Noise 10 mV Per Square, 2 s Per Square
Embedded Power for Business-Critical Continuity
Specifications
Rev.07.20.07 vrm series 6 of 7
0.75 max. (19.05max.) C L
0.50 max. (12.7 max.)
0.25 max. (6.35 max.)
0.039 (1.00) R0.079 (R2.00)
1.250 max. (31.75 max.) INSTALLED HEIGHT Conn Mtg Plane 0.079 (2.00) REF MATING CONNECTOR ELCON #283-0172-01303
1.160 (29.46) 0.571 (14.50)
Pin #1
0.975 (24.77) 2.184 (55.47) 3.675 (93.35)
Pin #27
0.519 ([13.19)
Dimensions in Inches Approx Metric Equiv in (mm) Third Angle Projections Tolerances (unless otherwise specified) 3 Places 0.010 (0.250), 2 Places 0.02 (0.51)
Figure 5: Mechanical Drawing
Embedded Power for Business-Critical Continuity
Rev.07.20.07 vrm series 7 of 7
Americas
5810 Van Allen Way Carlsbad, CA 92008 USA Telephone: +1 760 930 4600 Facsimile: +1 760 930 0698
Europe (UK)
Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX United Kingdom Telephone: +44 (0) 1384 842 211 Facsimile: +44 (0) 1384 843 355
Asia (HK)
16th - 17th Floors, Lu Plaza 2 Wing Yip Street, Kwun Tong Kowloon, Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 3888
For global contact, visit:
www.powerconversion.com technicalsupport@powerconversion.com
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