SBVS121E August   2010  – May 2015 TPS7A49

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 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Internal Current Limit
      2. 8.3.2 Programmable Soft-Start
      3. 8.3.3 Enable Pin Operation
      4. 8.3.4 Thermal Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation
      2. 8.4.2 Dropout Operation
      3. 8.4.3 Disabled
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1  Adjustable Operation
      2. 9.1.2  Capacitor Recommendations
      3. 9.1.3  Input and Output Capacitor Requirements
      4. 9.1.4  Noise-Reduction and Feed-Forward Capacitor Requirements
      5. 9.1.5  Maximum AC Performance
      6. 9.1.6  Output Noise
      7. 9.1.7  Post DC-DC Converter Filtering
      8. 9.1.8  Power-Supply Rejection
      9. 9.1.9  Transient Response
      10. 9.1.10 Audio Applications
      11. 9.1.11 Power for Precision Analog
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Do's and Don’ts
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
      2. 11.1.2 Power Dissipation
    2. 11.2 Layout Example
    3. 11.3 Package Mounting
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Evaluation Modules
        2. 12.1.1.2 Spice Models
      2. 12.1.2 Device Nomenclature
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

4 Revision History

Changes from D Revision (March 2015) to E Revision

  • Added DRB package to documentGo
  • Added TI Design Go
  • Changed Shutdown Protection Features bullet: removed IntegratedGo
  • Changed Packages Features bullet Go
  • Added VSON row to Device Information table Go
  • Added DRB package to Pin Configuration and Functions section Go
  • Changed Pin Functions table: changed EN (changed VEN ≤ VEN(low)) and FB (deleted control-loop from first sentence) pin descriptions Go
  • Added DRB column to Thermal Information table Go
  • Changed 35°C to 45°C in Thermal Protection sectionGo
  • Changed TJ value for disabled mode in Table 1 to match Electrical Characteristics table Go
  • Changed first sentence of Application Information section Go
  • Changed first sentence of Post DC-DC Converter Filtering section Go
  • Changed Equation 3Go
  • Changed 1.27 kΩ to 100 kΩ in description of R2 setting in the Detailed Design Procedure section Go
  • Added third paragraph and Figure 36 to Power Dissipation sectionGo
  • Changed capacitor size value in footnote of Figure 37Go

Changes from C Revision (December 2013) to D Revision

  • Added 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
  • Changed 9th bullet in Features list Go
  • Removed pin drawing from front page of data sheet Go
  • Revised Thermal Information table valuesGo
  • Added statement about typical value measurement temperature to Electrical Characteristics conditions Go
  • Added footnote to Internal reference specificationGo
  • Added Feedback voltage (VFB) parameter to Electrical CharacteristicsGo
  • Changed Line regulation typical specification from 0.11 to 0.086 %VOUTGo
  • Changed Ground current typical specification for IOUT = 0 mA from 61 to 49 µAGo
  • Changed CBYP to CFF throughout data sheetGo
  • Changed footnote in Electrical Characteristics describing CFF (CBYP) capacitor Go
  • Added statement about typical value measurement temperature to Typical Characteristics conditionsGo
  • Changed Figure 1 to show correct device performanceGo
  • Changed Figure 14; changed CBYP to CFFGo
  • Changed Figure 16; changed CBYP to CFFGo
  • Changed Figure 18; changed CBYP to CFFGo
  • Moved Figure 25, Figure 26, and Figure 27 to end of Typical Characteristics sectionGo
  • Changed Equation 1; corrected notation on CNR/SSGo
  • Changed Equation 2Go
  • Changed paragraph 1 of Noise Reduction and Feed-Forward Capacitor Requirements Go
  • Changed Figure 29; changed CBYP to CFFGo

Changes from B Revision (January 2010) to C Revision

  • Changed VREF parameter typical specification in Electrical Characteristics tableGo

Changes from A Revision (September 2010) to B Revision

  • Changed HBM max value from 500V to 1500VGo

Changes from * Revision (August 2010) to A Revision

  • Revised Features listGo
  • Changed Description text (paragraph 1) to remove description of maximum loadGo
  • Changed description of NC pin (pin 3) in Pin Descriptions tableGo
  • Revised shutdown supply current, feedback current, and enable current specifications; rounded typical performance valuesGo
  • Updated Figure 1 to show correct device performanceGo
  • Revised Functional Block Diagram for clarificationGo