SLVSBB6F March   2012  – July 2015 TPS65300-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  Timing Requirements
    7. 6.7  Switching Characteristics
    8. 6.8  Typical Characteristics
    9. 6.9  5-V Linear Regulator (5VO)
    10. 6.10 3.3-V Linear Regulator Controller (3.3VO)
    11. 6.11 1.234-V Linear Regulator Controller (1.2VO)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Detailed Pin Descriptions
      2. 7.3.2 Buck Converter
        1. 7.3.2.1  PWM Operation
        2. 7.3.2.2  Voltage-Mode Control Loop
        3. 7.3.2.3  Output Voltage 5.3 V (VREG)
        4. 7.3.2.4  Switching Frequency (RT/CLK)
        5. 7.3.2.5  Boost Capacitor (BOOT)
        6. 7.3.2.6  Soft Start (SS)
        7. 7.3.2.7  Power-On Delay (DELAY)
        8. 7.3.2.8  Reset (nRST)
        9. 7.3.2.9  Thermal Shutdown
        10. 7.3.2.10 Reset Function
      3. 7.3.3 Linear Regulators
        1. 7.3.3.1 Fixed Linear Regulator Output (5.3 V)
        2. 7.3.3.2 Fixed Linear Regulator Controller (3.3 V)
        3. 7.3.3.3 Fixed Linear Regulator Controller (1.2 V)
    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 Continuous-Conduction Mode (CCM)
        2. 7.4.2.2 Discontinuous Mode (DCM)
        3. 7.4.2.3 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)
        5. 8.2.2.5 Input Capacitor (CI)
        6. 8.2.2.6 Loop Compensation
        7. 8.2.2.7 Loop-Control Frequency Compensation
          1. 8.2.2.7.1 Type III Compensation
          2. 8.2.2.7.2 PWM Modulator Gain K
          3. 8.2.2.7.3 Resistor Values
          4. 8.2.2.7.4 Gain of Amplifier
          5. 8.2.2.7.5 Poles and Zero Frequencies
        8. 8.2.2.8 Power Dissipation
          1. 8.2.2.8.1 Switch-Mode Power-Supply Losses
      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 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Community Resource
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

9 Power Supply Recommendations

The TPS65300-Q1 device is designed to operate using an input supply voltage range from 5.6 V to 40 V.