SNVS555D January   2008  – December 2014 LM3881

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 Handling 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 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. 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. 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

Package Options

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

5 Pin Configuration and Functions

VSSOP Package
8-Pin DGK
Top View
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Pin Functions

PIN I/O DESCRIPTION
NAME NO.
VCC 1 I Input Supply
EN 2 I Precision Enable
GND 3 – Ground
INV 4 I Output Logic Invert
TADJ 5 O Timer Adjust
FLAG3 6 O Open-Drain Output 3
FLAG2 7 O Open-Drain Output 2
FLAG1 8 O Open-Drain Output 1