ZHCSOO5I April   2004  – November 2023 TPS715A

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Wide Supply Range
      2. 6.3.2 Low Supply Current
      3. 6.3.3 Current Limit
      4. 6.3.4 Dropout Voltage (VDO)
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Setting VOUT for the TPS715A01 Adjustable LDO
        2. 7.2.2.2 External Capacitor Requirements
        3. 7.2.2.3 Input and Output Capacitor Requirements
        4. 7.2.2.4 Reverse Current
        5. 7.2.2.5 Feed-Forward Capacitor (CFF)
        6. 7.2.2.6 Power Dissipation (PD)
        7. 7.2.2.7 Estimating Junction Temperature
      3. 7.2.3 Application Curves
    3. 7.3 Best Design Practices
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
        1. 7.5.1.1 Power Dissipation
      2. 7.5.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Evaluation Module
        2. 8.1.1.2 Spice Models
      2. 8.1.2 Device Nomenclature
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.4 Thermal Information

THERMAL METRIC (1) TPS715A (2) UNIT
DRV (WSON) 6 Pins DRB (VSON) 8 Pins
Legacy chip New chip Legacy chip New chip
RθJA Junction-to-ambient thermal resistance 79.5 69.5 69 55.8 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 110.5 108.0 76.8 82.3 °C/W
RθJB Junction-to-board thermal resistance 48.9 35.4 44.6 29.2 °C/W
ψJT Junction-to-top characterization parameter 5.2 5.9 8.1 6.4 °C/W
ψJB Junction-to-board characterization parameter 49.3 35.4 44.8 29.1 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance 18.3 7.2 27.5 8.7 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC package thermal metrics application note.
(2) Thermal performance results are based on the JEDEC standard of 2s2p PCB configuration. These thermal metric parameters can be further improved by 35-55% based on thermally optimized PCB layout designs. See the analysis of the Impact of board layout on LDO thermal performance application note.
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