SLUUCT0A may   2023  – june 2023 TPS923652 , TPS923653 , TPS923654 , TPS923655

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Warnings and Cautions
  6. 3Description
    1. 3.1 Typical Applications
  7. 4Test Setup
    1. 4.1 Connector Description
    2. 4.2 Input/Output Connection
  8. 5Typical Characteristics Curves and Waveforms
    1. 5.1 Efficiency
    2. 5.2 Line Regulation
    3. 5.3 Load Regulation
    4. 5.4 Analog Dimming Performance
    5. 5.5 PWM Dimming Performance
    6. 5.6 Hybrid Dimming Performance
    7. 5.7 Flexible Dimming Performance
  9. 6Schematic
  10. 7Layout
  11. 8Bill of Materials
  12. 9Revision History

5.2 Line Regulation

Figure 5-3 shows the output current deviation ratio vs. input voltage. Input voltage is 24 V. 15 white LEDs in series are used as load. The LED current is set at 2 A and 0.5 A, respectively.

GUID-20230227-SS0I-VQXZ-G6BC-6C4HWCWLVZVN-low.pngFigure 5-3 LED Current Deviation vs. Input Voltage