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Texas Instruments TPS92690EVM Evaluation Module TPS92690EVM TPS92690EVM Datenbogen

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PWM DIM
Switching Node
LED Current
PWM DIM
Switching Node
LED Current
Switching Node
LED Current
Switch Node Voltage and LED Current Ripple
5.3
Switch Node Voltage and LED Current Ripple
Figure 5-3. Switching and LED Current
5.4
PWM Dimming
Figure 5-4. PWM Dimming, f
PWM
= 200 Hz, Duty Cycle = 50%
Figure 5-5. PWM Dimming, f
PWM
= 200 Hz, Duty Cycle = 5%
10
Performance Data and Typical Characteristic Curves
SLVU803 – December 2012
Copyright © 2012, Texas Instruments Incorporated