SNVSBN8A December   2019  – April 2023 LM5163H-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Control Architecture
      2. 7.3.2  Internal VCC Regulator and Bootstrap Capacitor
      3. 7.3.3  Regulation Comparator
      4. 7.3.4  Internal Soft Start
      5. 7.3.5  On-Time Generator
      6. 7.3.6  Current Limit
      7. 7.3.7  N-Channel Buck Switch and Driver
      8. 7.3.8  Synchronous Rectifier
      9. 7.3.9  Enable/Undervoltage Lockout (EN/UVLO)
      10. 7.3.10 Power Good (PGOOD)
      11. 7.3.11 Thermal Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Active Mode
      3. 7.4.3 Sleep Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 High Temperature Specifications
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Switching Frequency (RRON)
        3. 8.2.2.3 Buck Inductor (LO)
        4. 8.2.2.4 Output Capacitor (COUT)
        5. 8.2.2.5 Input Capacitor (CIN)
        6. 8.2.2.6 Type 3 Ripple Network
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Compact PCB Layout for EMI Reduction
        2. 8.4.1.2 Feedback Resistors
      2. 8.4.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design with WEBENCH® Tools
    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
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 Typical Characteristics

At TA = 25°C, VOUT = 12 V, LO = 120 µH, RRON = 105 kΩ, unless otherwise specified.

GUID-43F06741-148D-46E5-A3C1-12FA5928A8BF-low.gifFigure 6-1 Conversion Efficiency (Log Scale)
GUID-CC55E93D-0B13-436E-A032-EFB4DED99111-low.gifFigure 6-3 VIN Shutdown and Sleep Supply Current versus Temperature
GUID-76C615F4-36C0-437C-8996-EBD193336F4F-low.gifFigure 6-5 VIN Active Current versus Temperature
GUID-50B8F921-9D6A-4FF4-88A2-A43051409BF6-low.gifFigure 6-7 Feedback Comparator Threshold versus Temperature
GUID-AF4DCC65-F9C5-4AC8-B1B2-483279F5FABC-low.gifFigure 6-9 Peak and Valley Current Limit versus Temperature
GUID-9E11CD05-9929-494A-8FB7-65085E211A4A-low.gifFigure 6-2 Conversion Efficiency (Linear Scale)
GUID-93E8263A-F07A-48D1-8E7A-B6AE3DF2C173-low.gifFigure 6-4 VIN Shutdown and Sleep Supply Current versus Input Voltage
GUID-9FEFF9B0-D987-44C5-8847-E75D85DEBE44-low.gifFigure 6-6 VIN Active Current versus Input Voltage
GUID-DB28F46D-33FE-41D4-883C-891ECA39A542-low.gifFigure 6-8 MOSFETs On-State Resistance versus Temperature
GUID-4FDF14D4-D6C8-4008-9361-7E592137673D-low.gifFigure 6-10 COT On-Time versus VIN