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  • TPS7A80 Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator

    • SBVS135J June   2010  – January 2018 TPS7A80

      PRODUCTION DATA.  

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  • TPS7A80 Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator
  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Diagram
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Internal Current Limit
      2. 7.3.2 Shutdown
      3. 7.3.3 Start-Up
      4. 7.3.4 Undervoltage Lockout (UVLO)
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Dropout Voltage
        2. 8.2.1.2 Minimum Load
        3. 8.2.1.3 Input and Output Capacitor Requirements
        4. 8.2.1.4 Transient Response
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Noise
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
      2. 10.1.2 Thermal Considerations
      3. 10.1.3 Power Dissipation
      4. 10.1.4 Estimating Junction Temperature
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
  13. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • DRB|8
    • MPDS118K
Thermal pad, mechanical data (Package|Pins)
  • DRB|8
    • QFND058N
Orderable Information
  • sbvs135j_oa
  • sbvs135j_pm
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DATA SHEET

TPS7A80 Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator

1 Features

  • Low-Dropout 1-A Regulator With Enable
  • Adjustable Output Voltages: 0.8 V to 6 V
  • Fixed Output Voltages: 0.8 V to 6 V
  • Wide-Bandwidth High PSRR:
    • 63 dB at 1 kHz
    • 57 dB at 100 kHz
    • 38 dB at 1 MHz
  • Low Noise: (14 × VOUT ) μVRMS Typical (100 Hz to 100 kHz)
  • Stable with a 4.7-μF Ceramic Capacitor
  • Excellent Load/Line Transient Response
  • 3% Overall Accuracy (Over Load/Line/Temp)
  • Overcurrent and Overtemperature Protection
  • Very Low Dropout: 170 mV Typical at 1 A
  • 3-mm × 3-mm VSON-8 DRB Package

2 Applications

  • Telecom Infrastructure
  • Audio
  • High-Speed I/F (PLL/VCO)

 
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