Benutzerhandbuch für Intel 315889-002

Inhaltsverzeichnis

• Voltage Regulator Module (VRM) and Enterprise Voltage Regulator-Down (EVRD) 11.0

  1
  • Contents

    3
    • Figures

      4
    • Tables

      4
  • Revision History

    6
• 1 Applications

  9
  • 1.1 Introduction and Terminology

    9
• 2 Output Voltage Requirements

  11
  • 2.1 Voltage and Current - REQUIRED

    11
  • 2.2 Load Line Definitions - REQUIRED

    13
  • 2.3 Voltage Tolerance - REQUIRED

    15
  • 2.4 Processor VCC Overshoot - REQUIRED

    16
  • 2.5 Impedance vs. Frequency - EXPECTED

    16
  • 2.6 Stability - REQUIRED

    18
  • 2.7 Processor Power Sequencing - REQUIRED

    18
  • 2.8 Dynamic Voltage Identification (D-VID) - REQUIRED

    20
  • 2.9 Overshoot at Turn-On or Turn-Off - REQUIRED

    22
  • 2.10 Output Filter Capacitance - REQUIRED

    22
  • 2.11 Shut-Down Response - REQUIRED

    26
• 3 Control Signals

  27
  • 3.1 Output Enable (OUTEN) - REQUIRED

    27
  • 3.2 Voltage Identification (VID [6:0]) - REQUIRED

    27
  • 3.3 Differential Remote Sense (VO_SEN+/-) - REQUIRED

    29
  • 3.4 Load Line Select (LL0, LL1, VID_Select) - REQUIRED

    31
• 4 Input Voltage and Current

  33
  • 4.1 Input Voltages - EXPECTED

    33
  • 4.2 Load Transient Effects on Input Current - EXPECTED

    33
• 5 Processor Voltage Output Protection

  35
  • 5.1 Over-Voltage Protection (OVP) - EXPECTED

    35
  • 5.2 Over-Current Protection (OCP) - EXPECTED

    35
• 6 Output Indicators

  37
  • 6.1 Voltage Regulator Ready (VR_Ready) - REQUIRED

    37
  • 6.2 Voltage Regulator Hot (VR_hot#) - PROPOSED

    37
  • 6.3 Load Indicator Output (Load_Current) - PROPOSED

    38
  • 6.4 VRM Present (VRM_pres#) - EXPECTED

    38
  • 6.5 VR_Identification (VR_ID#) - EXPECTED

    38
• 7 VRM - Mechanical Guidelines

  41
  • 7.1 VRM Connector - EXPECTED

    41
  • 7.2 VRM (Tyco/Elcon) Connector Keying

    41
    • 7.2.1 Connector Keying

      41
    • 7.2.2 Connector Pin 1 Orientation

      41
  • 7.3 Pin Descriptions and Assignments

    41
  • 7.4 Mechanical Dimensions - PROPOSED

    43
    • 7.4.1 Gold Finger Specification

      43
• 8 Environmental Conditions

  45
  • 8.1 Operating Temperature - PROPOSED

    45
  • 8.2 VRM Board Temperature - REQUIRED

    45
  • 8.3 Non-Operating Temperature - PROPOSED

    45
  • 8.4 Humidity - PROPOSED

    45
  • 8.5 Altitude - PROPOSED

    46
  • 8.6 Electrostatic Discharge - PROPOSED

    46
  • 8.7 Shock and Vibration - PROPOSED

    46
  • 8.8 Electromagnetic Compatibility - PROPOSED

    46
  • 8.9 Reliability - PROPOSED

    46
  • 8.10 Safety - PROPOSED

    46
• 9 Manufacturing Considerations

  47
  • 9.1 Lead Free (Pb Free)

    47
• A Z(f) Constant Output Impedance Design

  49
  • A.1 Introduction - PROPOSED

    49
  • A.2 Voltage Transient Tool (VTT) Z(f) Theory

    52
  • A.3 VTT Z(f) Measurement Method

    53
  • A.4 Results

    53
  • A.5 Output Decoupling Design Procedure

    56