ZHCSX73C August   2006  – October 2024

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  Reference Section Electrical Characteristics
    6. 5.6  Oscillator Section Electrical Characteristics
    7. 5.7  Error-Amplifier Section Electrical Characteristics
    8. 5.8  Current-Sense Section Electrical Characteristics
    9. 5.9  Output Section Electrical Characteristics
    10. 5.10 Undervoltage-Lockout Section Electrical Characteristics
    11. 5.11 Pulse-Width Modulator Section Electrical Characteristics
    12. 5.12 Supply Voltage Electrical Characteristics
    13. 5.13 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Functional Block Diagram
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Shutdown Technique
    3. 7.3 Open-Loop Laboratory Test Fixture
    4. 7.4 Typical Application
      1. 7.4.1 Application Curves
  9. 8 Device and Documentation Support
    1. 8.1 Related Links
    2. 8.2 Trademarks
    3. 8.3 静电放电警告
    4. 8.4 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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5.11 Pulse-Width Modulator Section Electrical Characteristics

VCC = 15 V(2), RT = 10 kΩ, CT = 3.3 nF, over recommended operating free-air temperature range (unless otherwise specified)
PARAMETERTEST CONDITIONSTL284xBTL384xBUNIT
MINTYP(1)MAXMINTYP(1)MAX
Maximum duty cycleTLx842B, TLx843B92961009296100%
TLx844B, TLx845B464850464850
Minimum duty cycle00%
(1) All typical values are at TJ = 25°C.
(2) Adjust VCC above the start threshold before setting it to 15 V.