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DEMO MANUAL DC2575A
QUICK START PROCEDURE
Figure 3. Infinite-Persist Scope Traces Show PWM Dimming and SSFM Working Together for Flicker-Free
Brightness Control with Both (a) Externally- and (b) Internally-Generated PWM Dimming (with EMI Filters)
4
WITH DC2575A EMI FILTERS
VPWM
I
1A/DIV
LED
WITH DC2575A EMI FILTERS
VPWM
I
1A/DIV
LED
16V 1.5A LEDs
2000:1 100Hz PWM
EXTERNAL
16V 1.5A LEDs
128:1 500Hz PWM
INTERNAL
Rev. A
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