SLVS749C November   2008  – January 2015 TPS22921 , TPS22922

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Typical Application
  5. 5 Revision History
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics
    6. 8.6  Switching Characteristics: VIN = 0.9 V
    7. 8.7  Switching Characteristics: VIN = 1 V
    8. 8.8  Switching Characteristics: VIN = 1.1 V
    9. 8.9  Switching Characteristics: VIN = 1.2 V
    10. 8.10 Switching Characteristics: VIN = 1.8 V
    11. 8.11 Switching Characteristics: VIN = 2.5 V
    12. 8.12 Switching Characteristics: VIN = 3 V
    13. 8.13 Switching Characteristics: VIN = 3.6 V
    14. 8.14 Typical Characteristics
      1. 8.14.1 Typical DC Characteristics
      2. 8.14.2 Typical AC Characteristics (TPS22921)
      3. 8.14.3 Typical AC Characteristics (TPS22922)
      4. 8.14.4 Typical AC Characteristics (TPS22922B)
      5. 8.14.5 Typical AC Characteristics (TPS22921 and TPS22922)
      6. 8.14.6 Typical AC Characteristics (TPS22921)
      7. 8.14.7 Typical AC Characteristics (TPS22922)
      8. 8.14.8 Typical AC Characteristics (TPS22922B)
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1 ON/OFF Control
      2. 10.3.2 Quick Output Discharge
    4. 10.4 Device Functional Modes
  11. 11Application and Implementation
    1. 11.1 Application Information
      1. 11.1.1 Input Capacitor (Optional)
      2. 11.1.2 Output Capacitor (Optional)
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1 Managing Inrush Current
        2. 11.2.2.2 VIN to VOUT Voltage Drop
      3. 11.2.3 Application Curve
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Related Links
    2. 14.2 Trademarks
    3. 14.3 Electrostatic Discharge Caution
    4. 14.4 Glossary
  15. 15Mechanical, Packaging, and Orderable Information

Package Options

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

14 Device and Documentation Support

14.1 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 3. Related Links

PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY
TPS22921 Click here Click here Click here Click here Click here
TPS22922 Click here Click here Click here Click here Click here
TPS22922B Click here Click here Click here Click here Click here

14.2 Trademarks

All other trademarks are the property of their respective owners.

14.3 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.

14.4 Glossary

SLYZ022 — TI Glossary.

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