ZHCSFR6C December   2016  – January 2018 TPS22810

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化原理图
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical DC Characteristics
    8. 7.8 Typical AC Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 On and Off Control
      2. 9.3.2 Quick Output Discharge (QOD)
        1. 9.3.2.1 QOD when System Power is Removed
        2. 9.3.2.2 Internal QOD Considerations
      3. 9.3.3 EN/UVLO
      4. 9.3.4 Adjustable Rise Time (CT)
      5. 9.3.5 Thermal Shutdown
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 ON and OFF Control
    3. 10.3 Input Capacitor (Optional)
    4. 10.4 Output Capacitor (Optional)
    5. 10.5 Typical Application
      1. 10.5.1 Design Requirements
      2. 10.5.2 Detailed Design Procedure
        1. 10.5.2.1 Shutdown Sequencing During Unexpected Power Loss
        2. 10.5.2.2 VIN to VOUT Voltage Drop
        3. 10.5.2.3 Inrush Current
      3. 10.5.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Considerations
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 开发支持
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 接收文档更新通知
    4. 13.4 Community Resources
    5. 13.5 商标
    6. 13.6 静电放电警告
    7. 13.7 Glossary
  14. 14机械、封装和可订购信息

7.6 Switching Characteristics

Refer to the timing test circuit in Figure 16 (unless otherwise noted) for references to external components used for the test condition in the switching characteristics table. Switching characteristics shown below are only valid for the power-up sequence where VIN is already in steady state condition before the EN/UVLO pin is asserted high.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN = 18 V, VEN/UVLO = 5 V, TA = 25 °C (unless otherwise noted)
tON Turnon time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 520 µs
tOFF Turnoff time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 3.3
tR VOUT rise time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 700
tF VOUT fall time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 2
tD Delay time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 180
VIN = 12 V, VEN/UVLO = 5 V, TA = 25 °C (unless otherwise noted)
tON Turnon time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 380 µs
tOFF Turnoff time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 3.3
tR VOUT rise time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 460
tF VOUT fall time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 2
tD ON delay time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 150
VIN = 3.3 V, VEN/UVLO = 5 V, TA = 25 °C (unless otherwise noted)
tON Turnon time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 185 µs
tOFF Turnoff time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 3.3
tR VOUT rise time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 120
tF VOUT fall time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 2
tD ON delay time RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF 130
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