SLVS893F December   2008  – May 2019 TPS61500

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Circuit
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Switching Frequency
      2. 7.3.2 Soft Start
      3. 7.3.3 Enable and Thermal Shutdown
      4. 7.3.4 Undervoltage Lockout (UVLO)
      5. 7.3.5 Overvoltage Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Dimming Method
      2. 7.4.2 Analog Dimming Method
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Analog Dimming Method
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Programming the Overvoltage Protection
          2. 8.2.1.2.2 Programming the LED Current
          3. 8.2.1.2.3 Implementing Dimming
          4. 8.2.1.2.4 Computing the Maximum Output Current
          5. 8.2.1.2.5 Selecting the Inductor
          6. 8.2.1.2.6 Selecting the Schottky Diode
          7. 8.2.1.2.7 Selecting the Compensation Capacitor and Resistor
          8. 8.2.1.2.8 Selecting the Input and Output Capacitor
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Pure PWM Dimming Method
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 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. 11.1.2 Receiving Notification of Documentation Updates
      3. 11.1.3 Community Resources
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • 2.9-V to 18-V Input Voltage Range
  • 3-A, 40-V Internal Power Switch
    • Four 3-W LEDs From 5-V Input
    • Eight 3-W LEDs From 12-V Input
  • High-Efficiency Power Conversion: Up to 93%
  • Frequency Set by External Resistor: 200 kHz to 2.2 MHz
  • User-Defined Soft Start Into Full Load
  • Programmable Overvoltage Protection
  • Analog and Pure PWM Brightness Dimming
  • 14-Pin HTSSOP Package With PowerPAD™