Intel 315889-002 manual Figure A-2. Zf Network Plot with 1.25 mΩ Load Line

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Z(f) Constant Output Impedance Design

Figure A-2. Z(f) Network Plot with 1.25 mΩ Load Line

The impedance plot Z(f) shown in Figure A-2can be divided up into three major areas of interest.

•Low frequency, Zero Hz (DC) to the VR loop bandwidth. This is set by AVP and loop compensation of the VR controller or PWM control IC.

•Middle frequency, VR loop bandwidth to socket inductance rise - This is set by the bulk capacitors, MLCC capacitors and PCB layout parasitic elements.

•High frequency, controlled by socket inductance and the CPU package design.

The VRM/EVRD designer has control of the low and mid frequency impedance design. By ensuring these areas meet the load line target impedance in Section 2.2, the system design will work properly with future CPU package designs.

Figure A-2shows the impedance vs. frequency network the system in Figure 2-1. This example consists of 17 560 μF with an ESR of 7 mΩ and ESL of 4 nH per bulk capacitors, 1st PCB impedance of 1.0 μΩ and 0.05 pH between the bulk and 45 10 μF 0805 MLCC, with ESR is 10 mΩ and ESL of 1.1 nH, 2nd PCB impedance of 1.0 μΩ and

0.05pH between the 45 10 μF and the 9 10 μF 0805 MLCC in the socket cavity with ESR is 10 mΩ and ESL of 1.1 nH, and the LGA771 socket impedance of 330 μΩ and 20 pH. The resonant point seen at 400 kHz is due to the mis-match between the bulk capacitors and the MLCC cavity capacitors. Increasing the capacitance values will drop the magnitude and shift the to a lower resonance frequency. For example, if the 10 μF capacitors are increased to 22 μF, the resonant peak drops in magnitude to 1.0 mΩ and at a frequency of 200 kHz. The resonant peak could also be reduced by reducing the ESL of the bulk capacitors by changing capacitor technology or by adding more bulk

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315889-002

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Contents Design Guidelines 315889-002 Contents Figures Tables315889-002 Revision History Rev # Description Rev. DateRevision Project Document State Projects Covered 315889-002 VRM/EVRD 11.0 Supported Platforms and Processors ApplicationsIntroduction and Terminology Guideline Categories Guideline CategoriesVoltage and Current Required Processor VID signal implementationOutput Voltage Requirements Time Duration s Load Line Definitions Required Icc GuidelinesCC Tolerance / Die Load Line Units Select VIDSelect, LL1, LL0 Codes Sheet 1Load Line / Processors Select Mode Voltage Tolerance RequiredVIDSelect, LL1, LL0 Codes Sheet 2 Processor VCC Overshoot Required Impedance vs. Frequency ExpectedVR BW Impedance ZLL Measurement Parameter Limits Processor Power Sequencing RequiredStability Required Timing Min Default Max Remarks Startup Sequence Timing Parameters Sheet 1Dynamic Voltage Identification D-VID Startup Sequence Timing Parameters Sheet 2Processor Transition States Polymer Overshoot at Turn-On or Turn-Off RequiredOutput Filter Capacitance Required PWL 560µF/2.5V/20%/ Oscon 22µF/6.3V/20%/ X5R /1206 Mlcc CoefficientQuantity Value / Description Quantity Value Tolerance Temperature Motherboard Socket & PackageShut-Down Response Required Outen Specifications Control SignalsOutput Enable Outen Required VID 60 SpecificationsExtended VR 10 Voltage Identification VID Table 400 mV 200 mV 100 mV 50 mV 25 mV 12.5 mVDifferential Remote Sense VOSEN+ VR 11.0 Voltage Identification VID TableLGA VID Bit Mapping LL0, LL1, VIDSelect SpecificationsLoad Line Select LL0, LL1, VIDSelect Control Signals Load Transient Effects on Input Current Input Voltage and CurrentInput Voltages Expected Input Voltage and Current Over-Current Protection OCP Expected Processor Voltage Output ProtectionOver-Voltage Protection OVP Expected Processor Voltage Output Protection VRhot# Specifications Output IndicatorsVRReady Specifications Voltage Regulator Ready VRReady RequiredVRMID# Specifications Load Indicator Output LoadCurrentVRMpres# Specifications VRM Present VRMpres# ExpectedVRM 11.0 and Platform Present Detection 315889-002 VRM 11.0 Connector Part Number and Vendor Name VRM Connector ExpectedVRM Tyco/Elcon Connector Keying VRM Mechanical GuidelinesVRM 11.0 Connector Pin Descriptions Name Type DescriptionMechanical Dimensions Proposed VRM 11.0 Pin AssignmentsVRM 11.0 Module and Connector Non-Operating Temperature Proposed Operating Temperature ProposedVRM Board Temperature Required Environmental ConditionsElectrostatic Discharge Proposed Safety ProposedAltitude Proposed Shock and Vibration ProposedManufacturing Considerations Lead Free Pb FreeManufacturing Considerations Zf Constant Output Impedance Design Introduction ProposedFigure A-2. Zf Network Plot with 1.25 mΩ Load Line Zf Constant Output Impedance Design Voltage Transient Tool VTT Zf Theory = FFT V t FFT I tVTT Zf Measurement Method ResultsZf Constant Output Impedance Design 10uF 22uF Output Decoupling Design Procedure

315889-002 specifications

The Intel 315889-002 is a highly regarded processor that has made significant contributions to the computing landscape. As part of Intel's dedicated line of CPUs, this model is engineered to deliver robust performance and efficiency for a range of applications, from personal computing to enterprise solutions. Features of the Intel 315889-002 include its multi-core architecture, which allows for better multitasking capabilities. With multiple cores working simultaneously, users can run multiple applications without experiencing noticeable lag, leading to a smoother overall experience.

One of the standout technologies incorporated in the Intel 315889-002 is Intel Turbo Boost Technology. This technology intelligently increases the processor's clock speed to enhance performance when required while ensuring energy efficiency during lighter loads. This feature is particularly beneficial in environments where performance needs can fluctuate, such as in gaming or intensive data analysis.

The processor supports a wide variety of instruction sets, enhancing its compatibility with various software and applications. Additionally, it runs on a highly efficient microarchitecture that optimizes processing cycles, reducing power consumption and heat generation. This is crucial not only for maintaining system stability but also for prolonging the lifespan of the hardware.

Another notable characteristic is its built-in security features, including Intel Software Guard Extensions (SGX) which create isolated execution environments for sensitive operations. This is particularly important in today's digital age, where data security is a top priority for both individuals and organizations.

The Intel 315889-002 is also equipped with Integrated Graphics, which offloads graphical tasks from the CPU, enabling better performance in applications that require visual rendering without needing a dedicated graphics card. This feature is ideal for users who require decent graphics capabilities without the added expense of additional hardware.

Overall, the Intel 315889-002 stands out as a well-rounded processor that combines performance, efficiency, security, and versatility. Its advanced technologies and thoughtful design make it suitable for a wide variety of users, from gamers to professionals, seeking reliable and efficient computing solutions.
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