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| ILD4071 Datasheet, PDF (14/25 Pages) Infineon Technologies AG – LED Driver for High Power LEDs | |||
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ILD4071
Enable, Dimming Function and Thermal Protection
6.2.1 PWM Dimming with µC connected to ILD4071 PWMI pin
The PWMI pin can be used for PWM dimming. It is a commonly practiced dimming method to prevent color shift
in LED light applications.
VPWMI
VPWMI,OFF
TPWMI
VPWMI,ON
t
tOFF
Ipeak
SW - OFF
SW - ON
SW - OFF
Figure 5 Timing Diagram for LED Dimming with µC
t
SW - ON
SW - OFF
Datasheet
14
Rev. 1.0, 2011-11-16
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