SLVS791E November   2007  – July 2016 TPS61160 , TPS61161

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
      1. 6.7.1 Table Of Graphs
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Soft Start-Up
      2. 7.3.2 Open LED Protection
      3. 7.3.3 Current Program
      4. 7.3.4 LED Brightness Dimming Mode Selection
      5. 7.3.5 Undervoltage Lockout
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown
      2. 7.4.2 PWM Brightness Dimming
      3. 7.4.3 Digital One-Wire Brightness Dimming
      4. 7.4.4 External PWM Dimming
    5. 7.5 Programming
      1. 7.5.1 EasyScale: One-Wire Digital Dimming
  8. 8 Application and Implementation Information
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Typical Application of TPS61161
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Maximum Output Current
          2. 8.2.1.2.2 Inductor Selection
          3. 8.2.1.2.3 Schottky Diode Selection
          4. 8.2.1.2.4 Compensation Capacitor Selection
          5. 8.2.1.2.5 Input and Output Capacitor Selection
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Li-Ion Driver for 6 White LEDs with External PWM Dimming Network
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Choosing Component Values
        3. 8.2.2.3 Application Curves
      3. 8.2.3 Li-Ion Driver for 6 White LEDs
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detailed Design Procedure
        3. 8.2.3.3 Application Curves
      4. 8.2.4 Li-Ion Driver for 8 White LEDs
        1. 8.2.4.1 Design Requirements
        2. 8.2.4.2 Detailed Design Procedure
        3. 8.2.4.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
      1. 11.3.1 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Community Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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

9 Power Supply Recommendations

The TPS61160 and TPS61161 are designed to operate from an input supply range of 2.7 V to 18 V. This input supply must be well regulated and be able to provide the peak current required by the LED configuration and inductor selected without voltage drop under load transients (start-up or rapid brightness change). The resistance of the input supply rail must be low enough such that the input current transient does not cause the TPS61160 and TPS61161 supply voltage to droop more than 5%. Additional bulk decoupling located close to the input capacitor (CIN) may be required to minimize the impact of the input supply rail resistance.
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