SNVSC24A April   2021  – November 2025 LP8758-EA

PRODUCTION DATA  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Device Comparison
6. 5 Pin Configuration and Functions
7. 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 Switching Characteristics
   8. 6.8 Typical Characteristics
8. 7 Detailed Description
   1. 7.1 Overview
      1. 7.1.1 Buck Information
         1. 7.1.1.1 Operating Modes
         2. 7.1.1.2 Programmability
         3. 7.1.1.3 Features
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1 Overview
         1. 7.3.1.1 Transition Between PWM and PFM Modes
         2. 7.3.1.2 Buck Converter Load Current Measurement
         3. 7.3.1.3 Spread-Spectrum Mode
      2. 7.3.2 Power-Up
      3. 7.3.3 Regulator Control
         1. 7.3.3.1 Enabling and Disabling
         2. 7.3.3.2 Changing Output Voltage
      4. 7.3.4 Device Reset Scenarios
      5. 7.3.5 Diagnosis and Protection Features
         1. 7.3.5.1 Warnings for Diagnosis (Interrupt)
            1. 7.3.5.1.1 Output Current Limit
            2. 7.3.5.1.2 Thermal Warning
         2. 7.3.5.2 Protection (Regulator Disable)
            1. 7.3.5.2.1 Short-Circuit and Overload Protection
            2. 7.3.5.2.2 Thermal Shutdown
         3. 7.3.5.3 Fault (Power Down)
            1. 7.3.5.3.1 Undervoltage Lockout
      6. 7.3.6 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. 7.6.1.1  OTP_REV
         2. 7.6.1.2  BUCK0_CTRL1
         3. 7.6.1.3  BUCK0_CTRL2
         4. 7.6.1.4  BUCK1_CTRL1
         5. 7.6.1.5  BUCK1_CTRL2
         6. 7.6.1.6  BUCK2_CTRL1
         7. 7.6.1.7  BUCK2_CTRL2
         8. 7.6.1.8  BUCK3_CTRL1
         9. 7.6.1.9  BUCK3_CTRL2
         10. 7.6.1.10 BUCK0_VOUT
         11. 7.6.1.11 BUCK0_FLOOR_VOUT
         12. 7.6.1.12 BUCK1_VOUT
         13. 7.6.1.13 BUCK1_FLOOR_VOUT
         14. 7.6.1.14 BUCK2_VOUT
         15. 7.6.1.15 BUCK2_FLOOR_VOUT
         16. 7.6.1.16 BUCK3_VOUT
         17. 7.6.1.17 BUCK3_FLOOR_VOUT
         18. 7.6.1.18 BUCK0_DELAY
         19. 7.6.1.19 BUCK1_DELAY
         20. 7.6.1.20 BUCK2_DELAY
         21. 7.6.1.21 BUCK3_DELAY
         22. 7.6.1.22 RESET
         23. 7.6.1.23 CONFIG
         24. 7.6.1.24 INT_TOP
         25. 7.6.1.25 INT_BUCK_0_1
         26. 7.6.1.26 INT_BUCK_2_3
         27. 7.6.1.27 TOP_STAT
         28. 7.6.1.28 BUCK_0_1_STAT
         29. 7.6.1.29 BUCK_2_3_STAT
         30. 7.6.1.30 TOP_MASK
         31. 7.6.1.31 BUCK_0_1_MASK
         32. 7.6.1.32 BUCK_2_3_MASK
         33. 7.6.1.33 SEL_I_LOAD
         34. 7.6.1.34 I_LOAD_2
         35. 7.6.1.35 I_LOAD_1
9. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
         1. 8.2.2.1 Application Components
            1. 8.2.2.1.1 Inductor Selection
            2. 8.2.2.1.2 Input Capacitor Selection
            3. 8.2.2.1.3 Output Capacitor Selection
      3. 8.2.3 Application Curves
   3. 8.3 Power Supply Recommendations
   4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
10. 9 Device and Documentation Support
    1. 9.1 Device Support
    2. 9.2 Documentation Support
       1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
11. 10Revision History
12. 11Mechanical, Packaging, and Orderable Information

LP8758-EA Four 4-A Output Synchronous Step-Down DCDC Converters