SLVSCK4A September   2015  – May 2016 TPS61235P , TPS61236P

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  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 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  Boost Controller Operation
      2. 8.3.2  Soft Start
      3. 8.3.3  Enable and Disable
      4. 8.3.4  Constant Output Voltage and Constant Output Current Operations
        1. 8.3.4.1 Constant Voltage Operation
        2. 8.3.4.2 Output Current Monitor
        3. 8.3.4.3 Constant Current Operation
      5. 8.3.5  Over Current Protection
      6. 8.3.6  Load Status Indication
      7. 8.3.7  Under voltage Lockout
      8. 8.3.8  Over Voltage Protection and Reverse Current Block
      9. 8.3.9  Short Circuit Protection
      10. 8.3.10 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 PWM Mode
      2. 8.4.2 PFM Mode
      3. 8.4.3 CV Mode and CC Mode
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 TPS61236P 3-V to 4.35-V Input, 5-V Output Voltage, 3-A Maximum Output Current
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Programming the Output Voltage
          2. 9.2.1.2.2 Program the Constant Output Current
          3. 9.2.1.2.3 Inductor and Capacitor Selection
            1. 9.2.1.2.3.1 Inductor Selection
            2. 9.2.1.2.3.2 Output Capacitor Selection
            3. 9.2.1.2.3.3 Input Capacitor Selection
          4. 9.2.1.2.4 Loop Stability, Feed Forward Capacitor
          5. 9.2.1.2.5 INACT Pin Pull-up Resistor
        3. 9.2.1.3 TPS61236P 5-V Output Application Curves
      2. 9.2.2 TPS61236P 2.3-V to 5-V Input, 5-V 2-A Output Converter
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 TPS61236P 5-V Output Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Related Links
    4. 12.4 Receiving Notification of Documentation Updates
    5. 12.5 Community Resources
    6. 12.6 Trademarks
    7. 12.7 Electrostatic Discharge Caution
    8. 12.8 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

12 Device and Documentation Support

12.1 Device Support

12.1.1 Third-Party Products Disclaimer

TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE.

12.2 Documentation Support

12.2.1 Related Documentation

For related documentation see the following:

  • Optimizing Transient Response of Internally Compensated dc-dc Converters With Feedforward Capacitor Application Report (SLVA289)
  • Thermal Characteristics of Linear and Logic Packages Using JEDEC PCB Designs Application Report (SZZA017)
  • Semiconductor and IC Package Thermal Metrics Application Report (SPRA953)

12.3 Related Links

The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy.

Table 5. Related Links

PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY
TPS61235P Click here Click here Click here Click here Click here
TPS61236P Click here Click here Click here Click here Click here

12.4 Receiving Notification of Documentation Updates

To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document.

12.5 Community Resources

The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use.

    TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers.
    Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support.

12.6 Trademarks

E2E is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

12.7 Electrostatic Discharge Caution

esds-image

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

12.8 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.