SLUSAE5G August   2011  – April 2021 TPS53355

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 (1)
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Infomation
    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 5-V LDO and VREG Start-Up
      2. 7.3.2 Adaptive On-Time D-CAP Control and Frequency Selection
      3. 7.3.3 Ramp Signal
      4. 7.3.4 Adaptive Zero Crossing
      5. 7.3.5 Power-Good
      6. 7.3.6 Current Sense, Overcurrent and Short Circuit Protection
      7. 7.3.7 Overvoltage and Undervoltage Protection
      8. 7.3.8 UVLO Protection
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable, Soft Start, and Mode Selection
      2. 7.4.2 Auto-Skip Eco-mode™ Light Load Operation
      3. 7.4.3 Forced Continuous Conduction Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Small Signal Model
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application Circuit Diagram with Ceramic Output Capacitors
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 External Component Selection
          3. 8.2.1.2.3 External Component Selection Using All Ceramic Output Capacitors
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Typical Application Circuit
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 External Component Selection
        3. 8.2.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DQP|22
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from Revision F (June 2019) to Revision G (April 2021)

Changes from Revision E (March 2019) to Revision F (June 2019)

  • Removed -40°C to +85°C temperature range from DescriptionGo
  • Removed -40°C to +85°C temperature range from Absolute Maximum RatingsGo

Changes from Revision D (November 2016) to Revision E (March 2019)

  • Added links for WEBENCH Go
  • Deleted "Operating free-air temperature, TA" row Go

Changes from Revision C (February 2016) to Revision D (November 2016)

  • Added Feature: Green (RoHS Compatible), is Optional Go
  • Added the VQP package to the Section 6.4 Go
  • From: a SC5026-1R0 inductor is used. To: a 744355182 inductor is used.Go
  • Changed Figure 6-32 and Figure 6-33 Go
  • Section 7.3.1 , Changed the NOTE From: "The 5-V LDO is not controlled" To: "The 5-V LDO is controlled"Go
  • Changed 250 µs To ~550 µs in Figure 7-1 Go

Changes from Revision B (January 2014) to Revision C (February 2016)

  • Changed the datasheet Title From: "TPS53355 High-Efficiency 30-A Synchronous Buck Converter With Eco-mode™" To: "TPS53355 High-Efficiency 30-A Synchronous Buck SWIFT™ Converter With Eco-mode™"Go
  • Added Section 1 : "For SWIFT™ Power Products Documentation,..."Go

Changes from Revision A (September 2012) to Revision B (January 2014)

  • Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go

Changes from Revision * (August 2011) to Revision A (September 2012)

  • Changed conversion input voltage from "3 V" to "1.5 V" Go
  • Changed VIN input voltage range minimum from "3 V" to "1.5 V"Go
  • Changed typographical error in THERMAL INFORMATION tableGo
  • Changed VIN (main supply) input voltage range minimum from "3 V' to "1.5 V" in Section 6.3 Go
  • Changed VIN pin power conversion input minimum voltage from "3 V" to "1.5 V" in ELECTRICAL CHARACTERISTICS tableGo
  • Changed conversion input voltage range from "3 V" to "1.5" in Section 7.1 Go
  • Added note to the Section 7.2 Go
  • Changed "ripple injection capacitor" to "ripple injection resistor" in Section 10.1 sectionGo