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Performance Data and Typical Characteristic Curves

8.8 LED Open Circuit Protection

Figure 15. Pre-Open Circuit Waveforms

(Ch1 - LED voltage (10V/div); Ch3 - line current (100mA/div); Ch4 - LED current(200mA/div))

Figure 16. Open Circuit Steady State Waveforms

(Ch1 - LED voltage (10V/div); Ch3 - line current (100mA/div); Ch4 - LED current(200mA/div))

Figure 17. Open Circuit Transient Waveforms

(Ch1 - LED voltage (10V/div); Ch3 - line current (100mA/div); Ch4 - LED current(200mA/div))

SLUUA02–AUGUST 2012 LM3447-PAR-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED

Driver

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