SNVS700G December   2010  – October 2016 LM25066A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements: SMBus Communications
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Current Limit
      2. 8.3.2 Circuit Breaker
      3. 8.3.3 Power Limit
      4. 8.3.4 Undervoltage Lockout (UVLO)
      5. 8.3.5 Overvoltage Lockout (OVLO)
      6. 8.3.6 Power Good
      7. 8.3.7 VDD Sub-Regulator
      8. 8.3.8 Remote Temperature Sensing
      9. 8.3.9 Damaged MOSFET Detection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Up Sequence
      2. 8.4.2 Gate Control
      3. 8.4.3 Fault Timer and Restart
      4. 8.4.4 Shutdown Control
      5. 8.4.5 Enabling/Disabling and Resetting
    5. 8.5 Register Maps
      1. 8.5.1 PMBus Command Support
        1. 8.5.1.1 Standard PMBus™ Commands
          1. 8.5.1.1.1  OPERATION (01h)
          2. 8.5.1.1.2  CLEAR_FAULTS (03h)
          3. 8.5.1.1.3  CAPABILITY (19h)
          4. 8.5.1.1.4  VOUT_UV_WARN_LIMIT (43h)
          5. 8.5.1.1.5  OT_FAULT_LIMIT (4Fh)
          6. 8.5.1.1.6  OT_WARN_LIMIT (51h)
          7. 8.5.1.1.7  VIN_OV_WARN_LIMIT (57h)
          8. 8.5.1.1.8  VIN_UV_WARN_LIMIT (58h)
          9. 8.5.1.1.9  STATUS_BYTE (78h)
          10. 8.5.1.1.10 STATUS_WORD (79h)
          11. 8.5.1.1.11 STATUS_VOUT (7Ah)
          12. 8.5.1.1.12 STATUS_INPUT (7Ch)
          13. 8.5.1.1.13 STATUS_TEMPERATURE (7Dh)
          14. 8.5.1.1.14 STATUS_CML (7Eh)
          15. 8.5.1.1.15 STATUS_MFR_SPECIFIC (80h)
          16. 8.5.1.1.16 READ_VIN (88h)
          17. 8.5.1.1.17 READ_VOUT (8Bh)
          18. 8.5.1.1.18 READ_TEMPERATURE_1 (8Dh)
          19. 8.5.1.1.19 MFR_ID (99h)
          20. 8.5.1.1.20 MFR_MODEL (9Ah)
          21. 8.5.1.1.21 MFR_REVISION (9Bh)
        2. 8.5.1.2 Manufacturer Specific PMBus™ Commands
          1. 8.5.1.2.1  MFR_SPECIFIC_00: READ_VAUX (D0h)
          2. 8.5.1.2.2  MFR_SPECIFIC_01: MFR_READ_IIN (D1h)
          3. 8.5.1.2.3  MFR_SPECIFIC_02: MFR_READ_PIN (D2h)
          4. 8.5.1.2.4  MFR_SPECIFIC_03: MFR_IN_OC_WARN_LIMIT (D3h)
          5. 8.5.1.2.5  MFR_SPECIFIC_04: MFR_PIN_OP_WARN_LIMIT (D4h)
          6. 8.5.1.2.6  MFR_SPECIFIC_05: READ_PIN_PEAK (D5h)
          7. 8.5.1.2.7  MFR_SPECIFIC_06: CLEAR_PIN_PEAK (D6h)
          8. 8.5.1.2.8  MFR_SPECIFIC_07: GATE_MASK (D7h)
          9. 8.5.1.2.9  MFR_SPECIFIC_08: ALERT_MASK (D8h)
          10. 8.5.1.2.10 MFR_SPECIFIC_09: DEVICE_SETUP (D9h)
          11. 8.5.1.2.11 MFR_SPECIFIC_10: BLOCK_READ (DAh)
          12. 8.5.1.2.12 MFR_SPECIFIC_11: SAMPLES_FOR_AVG (DBh)
          13. 8.5.1.2.13 MFR_SPECIFIC_12: READ_AVG_VIN (DCh)
          14. 8.5.1.2.14 MFR_SPECIFIC_13: READ_AVG_VOUT (DDh)
          15. 8.5.1.2.15 MFR_SPECIFIC_14: READ_AVG_IIN (DEh)
          16. 8.5.1.2.16 MFR_SPECIFIC_15: READ_AVG_PIN (DFh)
          17. 8.5.1.2.17 MFR_SPECIFIC_16: BLACK_BOX_READ (E0h)
          18. 8.5.1.2.18 MFR_SPECIFIC_17: READ_DIAGNOSTIC_WORD (E1h)
          19. 8.5.1.2.19 MFR_SPECIFIC_18: AVG_BLOCK_READ (E2h)
        3. 8.5.1.3 Reading and Writing Telemetry Data and Warning Thresholds
        4. 8.5.1.4 Determining Telemetry Coefficients Empirically With Linear Fit
        5. 8.5.1.5 Writing Telemetry Data
        6. 8.5.1.6 PMBus™ Address Lines (ADR0, ADR1, ADR2)
        7. 8.5.1.7 SMBA Response
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 12-V, 45-A PMBus Hotswap Design
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1  Select RSNS and CL Setting
          2. 9.2.1.2.2  Selecting the Hotswap FETs
          3. 9.2.1.2.3  Select Power Limit
          4. 9.2.1.2.4  Set Fault Timer
          5. 9.2.1.2.5  Check MOSFET SOA
          6. 9.2.1.2.6  Switching to dV/dt based Start-up
          7. 9.2.1.2.7  Choosing the VOUT Slew Rate
          8. 9.2.1.2.8  Select Power Limit and Fault Timer
          9. 9.2.1.2.9  Set Undervoltage and Overvoltage Threshold
            1. 9.2.1.2.9.1 Option A
            2. 9.2.1.2.9.2 Option B
            3. 9.2.1.2.9.3 Option C
            4. 9.2.1.2.9.4 Option D
          10. 9.2.1.2.10 Power Good Pin
          11. 9.2.1.2.11 Input and Output Protection
          12. 9.2.1.2.12 Final Schematic and Component Values
      2. 9.2.2 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)

4 Revision History

Changes from F Revision (February 2013) to G Revision

  • Added Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable InformationGo

Changes from E Revision (February 2013) to F Revision

  • Changed layout of National Semiconductor Data Sheet to TI format Go
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