ZHCSDM3D October   2014  – June 2019 TPS82084 , TPS82085

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      1.8V 输出应用
      2.      1.8V 输出效率
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommend 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 Power Save Mode (PSM)
      2. 7.3.2 Low Dropout Operation (100% Duty Cycle)
      3. 7.3.3 Soft Startup
      4. 7.3.4 Switch Current Limit and Short Circuit Protection (Hiccup-Mode)
      5. 7.3.5 Undervoltage Lockout
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable and Disable
      2. 7.4.2 Power Good Output
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 1.2-V Output Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Setting the Output Voltage
          2. 8.2.1.2.2 Input and Output Capacitor Selection
        3. 8.2.1.3 Application Performance Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Consideration
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 相关链接
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息
    1. 12.1 Tape and Reel Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • SIL|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

8.2.1.3 Application Performance Curves

TA = 25°C, VIN = 5 V, VOUT = 1.2 V, BOM = Table 3 unless otherwise noted.

TPS82085 TPS82084 D001_SLVSCN4_TPS82085.gif
VOUT = 1.2 V
Figure 6. Efficiency
TPS82085 TPS82084 D002_SLVSCN4_TPS82085.gif
VOUT = 1.8 V
Figure 8. Efficiency
TPS82085 TPS82084 D003_SLVSCN4_TPS82085.gif
VOUT = 2.6 V
Figure 10. Efficiency
TPS82085 TPS82084 D004_SLVSCN4_TPS82085.gif
VOUT = 3.3 V
Figure 12. Efficiency
TPS82085 TPS82084 D018_SLVSCN4_TPS82085.gif
VOUT = 1.2 V θJA = 46.6°C/W
Figure 14. Thermal Derating
TPS82085 TPS82084 D005_SLVSCN4_TPS82085.gif
Figure 16. Load Regulation
TPS82085 TPS82084 D007_SLVSCN4_TPS82085.gif
IOUT = 2 A
Figure 18. Input and Output Ripple in PWM Mode
TPS82085 TPS82084 D009_SLVSCN4_TPS82085.gif
IOUT = 25 mA to 3 A
Figure 20. Load Sweep
TPS82085 TPS82084 D011_SLVSCN4_TPS82085.gif
IOUT = 0.5 A to 2.5 A
Figure 22. Load Transient
TPS82085 TPS82084 D013_SLVSCN4_TPS82085.gif
Load = 0.4 Ω
Figure 24. Startup / Shutdown with Resistive Load
TPS82085 TPS82084 D015_SLVSCN4_TPS82085.gif
Figure 26. Power Supply Rejection Ratio (PSRR)
TPS82085 TPS82084 D026_SLVSCN4_TPS82085.gif
RLOAD = 0.47 Ω, VIN = 5 V (battery supply), VOUT = 1.2 V, EMI test board without filters
Figure 28. TPS82085 Radiated Emission
TPS82085 TPS82084 D022_SLVSCN4_TPS82085.gif
VOUT = 1.2 V
Figure 7. Efficiency
TPS82085 TPS82084 D023_SLVSCN4_TPS82085.gif
VOUT = 1.8 V
Figure 9. Efficiency
TPS82085 TPS82084 D024_SLVSCN4_TPS82085.gif
VOUT = 2.6 V
Figure 11. Efficiency
TPS82085 TPS82084 D025_SLVSCN4_TPS82085.gif
VOUT = 3.3 V
Figure 13. Efficiency
TPS82085 TPS82084 D019_SLVSCN4_TPS82085.gif
VOUT = 2.6 V θJA = 46.6°C/W
Figure 15. Thermal Derating
TPS82085 TPS82084 D006_SLVSCN4_TPS82085.gif
IOUT = 1 A
Figure 17. Line Regulation
TPS82085 TPS82084 D008_SLVSCN4_TPS82085.gif
IOUT = 25 mA
Figure 19. Input and Output Ripple in PSM Mode
TPS82085 TPS82084 D010_SLVSCN4_TPS82085.gif
IOUT = 25 mA to 3 A
Figure 21. Load Transient
TPS82085 TPS82084 D012_SLVSCN4_TPS82085.gif
IOUT = no load
Figure 23. Startup / Shutdown without Load
TPS82085 TPS82084 D014_SLVSCN4_TPS82085.gif
IOUT = 3 A
Figure 25. Short Circuit, HICCUP Protection Entry / Exit
TPS82085 TPS82084 D016_SLVSCN4_TPS82085.gif
Figure 27. Spurious Output Noise
TPS82085 TPS82084 D027_SLVSCN4_TPS82085.gif
RLOAD = 0.68 Ω, VIN = 5 V (battery supply), VOUT = 1.2 V, EMI test board without filters
Figure 29. TPS82084 Radiated Emission
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