ZHCSCA8A March   2014  – April 2019 TPS65286

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
      2.      效率
        1.       修订历史记录
  4. 4 Pin Configuration and Functions
    1.     Pin Functions
  5. 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
  6. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Power Switch
        1. 6.3.1.1 Over Current Condition
        2. 6.3.1.2 Reverse Current and Voltage Protection
        3. 6.3.1.3 nFAULT1/2 Response
        4. 6.3.1.4 Under-Voltage Lockout (UVLO)
        5. 6.3.1.5 Enable and Output Discharge
        6. 6.3.1.6 Power Switch Input and Output Capacitance
        7. 6.3.1.7 Programming the Current-Limit Threshold
      2. 6.3.2 Buck DCDC Converter
        1. 6.3.2.1  Output Voltage
        2. 6.3.2.2  Clock Synchronization
        3. 6.3.2.3  Error Amplifier
        4. 6.3.2.4  Slope Compensation
        5. 6.3.2.5  Enable and Adjusting Under-Voltage Lockout
        6. 6.3.2.6  Soft-Start Time
        7. 6.3.2.7  Internal V7V Regulator
        8. 6.3.2.8  Hard Short Circuit Protection
        9. 6.3.2.9  Bootstrap Voltage (BST) and Low Dropout Operation
        10. 6.3.2.10 Thermal Performance
        11. 6.3.2.11 Loop Compensation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Pulse Skipping Mode Operation
  7. 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 Step by Step Design Procedure
        2. 7.2.2.2 Related Parts
        3. 7.2.2.3 Inductor Selection
        4. 7.2.2.4 Output Capacitor Selection
        5. 7.2.2.5 Input Capacitor Selection
        6. 7.2.2.6 Soft-Start Capacitor Selection
        7. 7.2.2.7 Minimum Output Voltage
        8. 7.2.2.8 Compensation Component Selection
        9. 7.2.2.9 Auto-Retry Functionality of USB Switches
      3. 7.2.3 Application Performance Plots
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
  10. 10器件和文档支持
    1. 10.1 器件支持
      1. 10.1.1 第三方产品免责声明
    2. 10.2 接收文档更新通知
    3. 10.3 社区资源
    4. 10.4 商标
    5. 10.5 静电放电警告
    6. 10.6 术语表
  11. 11机械、封装和可订购信息

封装选项

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

5.6 Typical Characteristics

TA = 25°C, VIN = 24 V, VOUT = 5 V, fSW = 500 kHz, RnFAULT = 100 kΩ (unless otherwise noted)
TPS65286 C019_SLVSCA4.png
VOUT = 5 V
Figure 4. Buck Efficiency
TPS65286 C018_SLVSCA4.png
VOUT = 5 V
Figure 6. Buck Line Regulation
TPS65286 C013_SLVSCA4.png
VOUT = 5 V
Figure 8. Buck Load Regulation
TPS65286 C011_SLVSCA4.png
Figure 10. IIN (Without Switching) vs Temperature
TPS65286 C021_SLVSCA4.png
Figure 12. Reference Voltage vs Temperature
TPS65286 C002_slvscg1.gif
Figure 14. EN UVLO Start vs Temperature
TPS65286 C006_SLVSCA4.png
Figure 16. High-Side RDS_ON vs Temperature
TPS65286 C004_SLVSCA4.png
Figure 18. Buck DC Max IOUT vs Temperature
TPS65286 C008_SLVSCA4.png
RLIMIT = 120 kΩ
Figure 20. Buck Current Limit vs VIN
TPS65286 C003_SLVSCA4.gif
VOUT = 2.5 V
Figure 5. Buck Efficiency
TPS65286 C017_SLVSCA4.png
VOUT = 2.5 V
Figure 7. Buck Line Regulation
TPS65286 C014_SLVSCA4.png
VOUT = 2.5 V
Figure 9. Buck Load Regulation
TPS65286 C012_SLVSCA4.png
Figure 11. IIN (With Buck Switching) vs Temperature
TPS65286 C010_SLVSCA4.png
Figure 13. Oscillator Frequency vs Temperature
TPS65286 C001_slvscg1.gif
Figure 15. EN UVLO Stop vs Temperature
TPS65286 C007_SLVSCA4.png
Figure 17. Low-Side RDS_ON vs Temperature
TPS65286 C005_SLVSCA4.png
Figure 19. Minimum On Time vs Temperature
TPS65286 C009_SLVSCA4.png
RSET = 9.1 kΩ
Figure 21. Power Switch Current Limit vs Temperature