用户手册目录Voltage Regulator Module (VRM) and Enterprise Voltage Regulator-Down (EVRD) 11.01Contents3Figures4Tables4Revision History61 Applications91.1 Introduction and Terminology92 Output Voltage Requirements112.1 Voltage and Current - REQUIRED112.2 Load Line Definitions - REQUIRED132.3 Voltage Tolerance - REQUIRED152.4 Processor VCC Overshoot - REQUIRED162.5 Impedance vs. Frequency - EXPECTED162.6 Stability - REQUIRED182.7 Processor Power Sequencing - REQUIRED182.8 Dynamic Voltage Identification (D-VID) - REQUIRED202.9 Overshoot at Turn-On or Turn-Off - REQUIRED222.10 Output Filter Capacitance - REQUIRED222.11 Shut-Down Response - REQUIRED263 Control Signals273.1 Output Enable (OUTEN) - REQUIRED273.2 Voltage Identification (VID [6:0]) - REQUIRED273.3 Differential Remote Sense (VO_SEN+/-) - REQUIRED293.4 Load Line Select (LL0, LL1, VID_Select) - REQUIRED314 Input Voltage and Current334.1 Input Voltages - EXPECTED334.2 Load Transient Effects on Input Current - EXPECTED335 Processor Voltage Output Protection355.1 Over-Voltage Protection (OVP) - EXPECTED355.2 Over-Current Protection (OCP) - EXPECTED356 Output Indicators376.1 Voltage Regulator Ready (VR_Ready) - REQUIRED376.2 Voltage Regulator Hot (VR_hot#) - PROPOSED376.3 Load Indicator Output (Load_Current) - PROPOSED386.4 VRM Present (VRM_pres#) - EXPECTED386.5 VR_Identification (VR_ID#) - EXPECTED387 VRM - Mechanical Guidelines417.1 VRM Connector - EXPECTED417.2 VRM (Tyco/Elcon) Connector Keying417.2.1 Connector Keying417.2.2 Connector Pin 1 Orientation417.3 Pin Descriptions and Assignments417.4 Mechanical Dimensions - PROPOSED437.4.1 Gold Finger Specification438 Environmental Conditions458.1 Operating Temperature - PROPOSED458.2 VRM Board Temperature - REQUIRED458.3 Non-Operating Temperature - PROPOSED458.4 Humidity - PROPOSED458.5 Altitude - PROPOSED468.6 Electrostatic Discharge - PROPOSED468.7 Shock and Vibration - PROPOSED468.8 Electromagnetic Compatibility - PROPOSED468.9 Reliability - PROPOSED468.10 Safety - PROPOSED469 Manufacturing Considerations479.1 Lead Free (Pb Free)47A Z(f) Constant Output Impedance Design49A.1 Introduction - PROPOSED49A.2 Voltage Transient Tool (VTT) Z(f) Theory52A.3 VTT Z(f) Measurement Method53A.4 Results53A.5 Output Decoupling Design Procedure56文件大小: 1.0 MB页数: 56Language: English打开用户手册