ZHCSK68B August   2019  – June 2022 TLIN1028-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 ESD Ratings, IEC Specification
    4. 7.4 Recommended Operating Conditions
    5. 7.5 Thermal Information
    6. 7.6 Power Supply Characteristics
    7. 7.7 Electrical Charateristics
    8. 7.8 AC Switching Characteristics
    9. 7.9 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Test Circuit: Diagrams and Waveforms
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 LIN Pin
        1. 9.3.1.1 LIN Transmitter Characteristics
        2. 9.3.1.2 LIN Receiver Characteristics
          1. 9.3.1.2.1 Termination
      2. 9.3.2 TXD (Transmit Input)
      3. 9.3.3 RXD (Receive Output)
      4. 9.3.4 VSUP (Supply Voltage)
      5. 9.3.5 GND (Ground)
      6. 9.3.6 EN (Enable Input)
      7. 9.3.7 nRST (Reset Output)
      8. 9.3.8 VCC (Supply Output)
      9. 9.3.9 Protection Features
        1. 9.3.9.1 TXD Dominant Time Out (DTO)
        2. 9.3.9.2 Bus Stuck Dominant System Fault: False Wake Up Lockout
        3. 9.3.9.3 Thermal Shutdown
        4. 9.3.9.4 Under Voltage on VSUP
        5. 9.3.9.5 Unpowered Device and LIN Bus
    4. 9.4 Device Functional Modes
      1. 9.4.1 Normal Mode
      2. 9.4.2 Sleep Mode
      3. 9.4.3 Standby Mode
      4. 9.4.4 Wake-Up Events
        1. 9.4.4.1 Wake-Up Request (RXD)
      5. 9.4.5 Mode Transitions
      6. 9.4.6 Voltage Regulator
        1. 9.4.6.1 VCC
        2. 9.4.6.2 Output Capacitance Selection
        3. 9.4.6.3 Low-Voltage Tracking
        4. 9.4.6.4 Power Supply Recommendation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
        1. 10.2.1.1 Normal Mode Application Note
        2. 10.2.1.2 TXD Dominant State Timeout Application Note
        3. 10.2.1.3 Brownout
      2. 10.2.2 Detailed Design Procedures
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Documentation Support
      1. 13.1.1 Related Documentation
    2. 13.2 Related Links
    3. 13.3 接收文档更新通知
    4. 13.4 支持资源
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 术语表
  14. 14Mechanical, Packaging, and Orderable Information

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9.4.6.1 VCC

The VCC pin is the regulated output based on the required voltage. The regulated voltage accuracy is ± 2%. The output is current limited. In the event that the regulator drops out of regulation, the output tracks the input minus a drop based on the load current. When the input voltage drops below the UVSUP threshold, the regulator shuts down until the input voltage returns above the UVSUPR level. The device monitors situations where VCC may drop below the UVCC level thus causing the nRST pin to be pulled low.