SLVSCT3 March   2015 TPS51275B-1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application Diagram
  5. 5 Revision History
  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
    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  PWM Operations
      2. 8.3.2  Adaptive On-Time and PWM Frequency Control
      3. 8.3.3  Light-Load Condition in Out-of-Audio Operation
      4. 8.3.4  Enable and Power Good
      5. 8.3.5  Soft-Start and Discharge
      6. 8.3.6  VREG5 and VREG3 Linear Regulators
      7. 8.3.7  VCLK for Charge Pump
      8. 8.3.8  Overcurrent Protection
      9. 8.3.9  Output Overvoltage and Undervoltage Protection
      10. 8.3.10 Undervoltage Lockout Protection
      11. 8.3.11 Over-Temperature Protection (OTP)
    4. 8.4 Device Functional Modes
      1. 8.4.1 D-CAP Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 External Components Selection
          1. 9.2.2.1.1 Step 1. Determine the Value of R1 and R2
          2. 9.2.2.1.2 Step 2. Select the Inductor
          3. 9.2.2.1.3 Step 3. Select Output Capacitors
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Placement
      2. 11.1.2 Routing (Sensitive Analog Portion)
      3. 11.1.3 Routing (Power portion)
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

13 Mechanical, Packaging, and Orderable Information

The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation.