SLVUDT1 March   2026 TPS922152

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Introduction
  8. 2Warnings and Cautions
  9. 3Description
    1. 3.1 Typical Applications
  10. 4Test Setup
    1. 4.1 Connector Description
    2. 4.2 Input/Output Connection
  11. 5Implementation Results
    1. 5.1 Test Result
  12. 6Schematic
  13. 7Layout
  14. 8Bill of Materials
  15. 9Additional Information
    1.     Trademarks

5.1 Test Result

Figure 5-1 and Figure 5-2 show the LED current transient waveform for a PWM transition from 1% to 99%, 20kHz and 99% to 1%, 20kHz respectively. Input voltage is 60V, with 16 white LEDs in series used as load. The full-scale LED current is set at 5.0A.

TPS922152EVM LED Current Transient for a PWM Transition from 1% to 99%, 20kHz Figure 5-1 LED Current Transient for a PWM Transition from 1% to 99%, 20kHz
TPS922152EVM LED Current Transient for a PWM Transition from 99% to 1%, 20kHz Figure 5-2 LED Current Transient for a PWM Transition from 99% to 1%, 20kHz