SLUS495I September   2001  – May 2016 UCC29002 , UCC39002

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  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 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Differential Current Sense Amplifier (CS+, CS−, CSO)
      2. 7.3.2  Load Share Bus Driver Amplifier (CSO)
      3. 7.3.3  Load Share Bus Receiver Amplifier (LS)
      4. 7.3.4  Error Amplifier (EAO)
      5. 7.3.5  Adjust Amplifier Output (ADJ)
      6. 7.3.6  Enable Function (CS+, CS−)
      7. 7.3.7  Fault Protection
      8. 7.3.8  Start-Up and Adjust Logic
      9. 7.3.9  Bias and Bias OK Circuit (VDD)
      10. 7.3.10 Paralleling the Power Modules
      11. 7.3.11 Measuring the Loop of the Modules
    4. 7.4 Device Functional Modes
      1. 7.4.1 Fault
      2. 7.4.2 Start-Up
  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 The Shunt Resistor
        2. 8.2.2.2 The CSA Gain
        3. 8.2.2.3 Determining RADJUST
        4. 8.2.2.4 Error Amplifier Compensation
      3. 8.2.3 Application Curve
  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. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

11 Device and Documentation Support

11.1 Device Support

11.1.1 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.

11.2 Documentation Support

11.2.1 Related Documentation

For further details, refer to the following document:

  • Reference Design, 48-VIN, 12-VOUT Loadshare System Using UCC39002 with Three DC/DC PH-100S4 Modules, SLUA270

For a more complete description of general load sharing topics, refer to the following documents.

  • Application Note, The UC3902 Load Share Controller and Its Performance in Distributed Power Systems, SLUA128
  • Application Note, UC3907 Load Share IC Simplifies Parallel Power Supply Design, SLUA147

11.3 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 1. Related Links

PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY
UCC29002 Click here Click here Click here Click here Click here
UCC29002-1 Click here Click here Click here Click here Click here
UCC39002 Click here Click here Click here Click here Click here

11.4 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.

11.5 Trademarks

E2E is a trademark of Texas Instruments.

Intel is a registered trademark of Intel Corporation.

All other trademarks are the property of their respective owners.

11.6 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.

11.7 Glossary

SLYZ022TI Glossary.

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