Texas Instruments LM3447 Evaluation Board LM3447-PAR-230VEVM LM3447-PAR-230VEVM Hoja De Datos
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LM3447-PAR-230VEVM
Performance Data and Typical Characteristic Curves
8.9
LED Short Circuit Protection
Figure 18. Pre-Short Circuit Waveforms
(Ch1 - LED voltage (10V/div); Ch3 - line current (100mA/div); Ch4 - LED current(200mA/div))
Figure 19. Short Circuit Steady State Waveforms
(Ch1 - LED voltage (10V/div); Ch3 - line current (100mA/div); Ch4 - LED current(200mA/div))
Figure 20. Short Circuit Transient Waveforms
(Ch1 - LED voltage (10V/div); Ch3 - line current (100mA/div); Ch4 - LED current(200mA/div))
14
LM3447-PAR-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED
SLUUA02 – AUGUST 2012
Driver
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