JAJSGN6A December   2019  – August 2021 LP875701-Q1

PRODUCTION DATA  

1. 1 特長
2. 2 アプリケーション
3. 3 概要
4. 4 Revision History
5. 5 Pin Configuration and Functions
6. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 ESD Ratings
   3. 6.3 Recommended Operating Conditions
   4. 6.4 Thermal Information
   5. 6.5 Electrical Characteristics
   6. 6.6 I2C Serial Bus Timing Requirements
   7. 6.7 Typical Characteristics
7. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Descriptions
      1. 7.3.1 Multi-Phase DC/DC Converters
         1. 7.3.1.1 Overview
         2. 7.3.1.2 Multiphase Switcher Configurations
         3. 7.3.1.3 Buck Converter Load-Current Measurement
         4. 7.3.1.4 Spread-Spectrum Mode
      2. 7.3.2 Sync Clock Functionality
      3. 7.3.3 Power-Up
      4. 7.3.4 Regulator Control
         1. 7.3.4.1 Enabling and Disabling Regulators
      5. 7.3.5 Enable and Disable Sequences
      6. 7.3.6 Device Reset Scenarios
      7. 7.3.7 Diagnosis and Protection Features
         1. 7.3.7.1 Power-Good Information (PGOOD pin)
         2. 7.3.7.2 Warnings for Diagnosis (Interrupt)
            1. 7.3.7.2.1 Output Power Limit
            2. 7.3.7.2.2 Thermal Warning
         3. 7.3.7.3 Protection (Regulator Disable)
            1. 7.3.7.3.1 Short-Circuit and Overload Protection
            2. 7.3.7.3.2 Overvoltage Protection
            3. 7.3.7.3.3 Thermal Shutdown
         4. 7.3.7.4 Fault (Power Down)
            1. 7.3.7.4.1 Undervoltage Lockout
      8. 7.3.8 GPIO Signal Operation
      9. 7.3.9 Digital Signal Filtering
   4. 7.4 Device Functional Modes
      1. 7.4.1 Modes of Operation
   5. 7.5 Programming
      1. 7.5.1 I2C-Compatible Interface
         1. 7.5.1.1 Data Validity
         2. 7.5.1.2 Start and Stop Conditions
         3. 7.5.1.3 Transferring Data
         4. 7.5.1.4 I2C-Compatible Chip Address
         5. 7.5.1.5 Auto-Increment Feature
   6. 7.6 Register Maps
      1. 7.6.1 Register Descriptions
         1.       53
         2. 7.6.1.1  DEV_REV
         3. 7.6.1.2  OTP_REV
         4. 7.6.1.3  BUCK0_CTRL1
         5. 7.6.1.4  BUCK0_DELAY
         6. 7.6.1.5  GPIO2_DELAY
         7. 7.6.1.6  GPIO3_DELAY
         8. 7.6.1.7  RESET
         9. 7.6.1.8  CONFIG
         10. 7.6.1.9  INT_TOP1
         11. 7.6.1.10 INT_TOP2
         12. 7.6.1.11 INT_BUCK_0_1
         13. 7.6.1.12 INT_BUCK_2_3
         14. 7.6.1.13 TOP_STAT
         15. 7.6.1.14 BUCK_0_1_STAT
         16. 7.6.1.15 BUCK_2_3_STAT
         17. 7.6.1.16 TOP_MASK1
         18. 7.6.1.17 TOP_MASK2
         19. 7.6.1.18 BUCK_0_1_MASK
         20. 7.6.1.19 BUCK_2_3_MASK
         21. 7.6.1.20 SEL_I_LOAD
         22. 7.6.1.21 I_LOAD_2
         23. 7.6.1.22 I_LOAD_1
         24. 7.6.1.23 PGOOD_CTRL1
         25. 7.6.1.24 PGOOD_CTRL2
         26. 7.6.1.25 PGOOD_FLT
         27. 7.6.1.26 PLL_CTRL
         28. 7.6.1.27 PIN_FUNCTION
         29. 7.6.1.28 GPIO_CONFIG
         30. 7.6.1.29 GPIO_IN
         31. 7.6.1.30 GPIO_OUT
8. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
         1. 8.2.1.1 Inductor Selection
         2. 8.2.1.2 Input Capacitor Selection
         3. 8.2.1.3 Output Capacitor Selection
         4. 8.2.1.4 Snubber Components
         5. 8.2.1.5 Supply Filtering Components
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 サポート・リソース
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
12. 12Mechanical, Packaging, and Orderable Information