SNVS555D January   2008  – December 2014 LM3881

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 Handling 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 Adjustable Timing
      2. 7.3.2 Enable Circuit
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power Up with EN Pin
      2. 7.4.2 Power Down with EN Pin
      3. 7.4.3 Noninverted Output Mode
      4. 7.4.4 Inverted Output Mode
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Open-Drain Flags Pullup
      2. 8.1.2 Enable the Device
      3. 8.1.3 Timing Adjust
    2. 8.2 Typical Application
      1. 8.2.1 Simple Sequencing of Three Power Supplies
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Sequencing Using Independent Flag Supply
  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 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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9 Power Supply Recommendations

The VCC pin should be located as close as possible to the input supply (2.7V - 5.5V). An input capacitor is not required but is recommended when noise might be present on the VCC pin. A 0.1 μF ceramic capacitor may be used to bypass this noise.