SLAS928B March   2013  – November 2016 LP3988-Q1

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 Timing Requirements
    7. 6.7 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 Enable (En)
      2. 8.3.2 Regulated Output (OUT)
      3. 8.3.3 Power Good (PG) Output
      4. 8.3.4 PG Delay Time
      5. 8.3.5 Current Limit
      6. 8.3.6 Thermal Shutdown (TSD)
      7. 8.3.7 Fast Turnon Time
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation
      2. 8.4.2 Dropout Operation
      3. 8.4.3 On/Off Input Operation
      4. 8.4.4 Disabled
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 External Capacitors
        2. 9.2.2.2 Input Capacitor
        3. 9.2.2.3 Output Capacitors
        4. 9.2.2.4 No-Load Stability
        5. 9.2.2.5 Capacitor Characteristics
        6. 9.2.2.6 Power Dissipation
        7. 9.2.2.7 Estimating Junction Temperature
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device And Documentation Support
    1. 12.1 Related Documentation
    2. 12.2 Receiving Notification Of Documentation Updates
    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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DBV|5
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from A Revision (June 2013) to B Revision

  • Changed "Voltage Regulator" to "LDO" in title of data sheet Go
  • Added Device Information and Pin Configuration and Functions sections, ESD Ratings table, Feature Description, Device Functional Modes, Application and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable Information sections; changed pin names from VIN, VOUT and VEN to IN, OUT , and EN Go
  • Changed Power dissipation from "364 mW" to "469 mW" in Absolute Maxium Ratings table noteGo
  • Changed RθJA temp from "175°C/W" to "170.5°C/W" in Absolute Maxium Ratings table noteGo
  • Changed "4.5 mW" to "5.86 mW" in Absolute Maxium Ratings table note Go
  • Added "High-K" after "Junction-to-ambient thermal resistance"Go
  • UpdatedThermal Information values and added table note 2Go
  • Added Power Dissipation and Estimating Junction Temperature sections Go

Changes from * Revision (March 2013) to A Revision

  • Deleted other voltages and left only 2.5 VGo
  • Added TI sales note for additional voltagesGo
  • Changed θJA temp from 220°C/W to 175°C/W in Absolute Maxium Ratings table noteGo
  • Changed voltage in the title of the first two Typical Characteristics graphs (Ripple Rejection Ratio) from 2.6 to 2.85Go
  • Changed LP3988Q to correct device name of LP3988-Q1Go