SLVSC10C October   2013  – April 2016 TPS65301-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 DC Characteristics
    6. 6.6 Typical Characteristics
      1. 6.6.1 5-V Linear Regulator (5 VO)
      2. 6.6.2 3.3-V Linear Regulator Controller (3.3 VO)
      3. 6.6.3 1.2-V Linear Regulator Controller (1.2 VO)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Buck Converter
        1. 7.3.1.1  PWM Operation
        2. 7.3.1.2  Voltage-Mode Control Loop
        3. 7.3.1.3  Output Voltage 5.45 V (VREG)
        4. 7.3.1.4  Switching Frequency (RT/CLK)
        5. 7.3.1.5  Boost Capacitor (BOOT)
        6. 7.3.1.6  Soft Start (SS)
        7. 7.3.1.7  Power-On Delay (DELAY)
        8. 7.3.1.8  Reset (nRST)
        9. 7.3.1.9  Thermal Shutdown
        10. 7.3.1.10 Reset Function
      2. 7.3.2 Linear Regulators
        1. 7.3.2.1 Fixed Linear Regulator Output (5 V)
        2. 7.3.2.2 Fixed Linear Regulator Controller (3.3 V)
        3. 7.3.2.3 Fixed Linear Regulator Controller (1.2 V)
        4. 7.3.2.4 Protected Sensor Supply Output (5VS)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operational Mode
      2. 7.4.2 Buck Converter Modes of Operation
        1. 7.4.2.1 Modes of Operation
          1. 7.4.2.1.1 Continuous-Conduction Mode (CCM)
          2. 7.4.2.1.2 Discontinuous Mode (DCM)
        2. 7.4.2.2 Tracking Mode
  8. 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 Duty Cycle
        2. 8.2.2.2 Output Inductor Selection (L)
        3. 8.2.2.3 Output Capacitor Selection (CO)
        4. 8.2.2.4 External Schottky Diode (D) Power Dissipation
        5. 8.2.2.5 Input Capacitor (CI)
        6. 8.2.2.6 Loop Compensation
          1. 8.2.2.6.1 Loop-Control Frequency Compensation
            1. 8.2.2.6.1.1 Type III Compensation
            2. 8.2.2.6.1.2 PWM Modulator Gain K
            3. 8.2.2.6.1.3 Resistor Values
            4. 8.2.2.6.1.4 Gain of Amplifier
            5. 8.2.2.6.1.5 Poles and Zero Frequencies
        7. 8.2.2.7 Power Dissipation
          1. 8.2.2.7.1 Switch-Mode Power-Supply Losses
          2. 8.2.2.7.2 Linear Regulator (5V) and Sensor Supply (5VS)
          3. 8.2.2.7.3 Total Power Dissipation
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Inductor (L)
      2. 10.1.2 Input Filter Capacitors (CI)
      3. 10.1.3 Feedback
      4. 10.1.4 Traces and Ground Plane
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Community Resource
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

12 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.