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7.2
Input Current
Ch2:
Buck V
DS
Ch4:
LED V
OUT
Ch3:
AC Input
Current
Ch1:
Buck V
IN
TRANSITION MODE BUCK PWM AND LINE INPUT CURRENT
(Ch1 and Ch4 share GND reference)
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Performance Data and Typical Characteristic Curves
Figure 8.
SLUU355A – March 2009 – Revised June 2009
A 0.9-A Constant Current Supply with PFC for 100-W LED Lighting Applications
11
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