ACE714C

Max. 3MHz, Variable Frequency Step-up DC/DC Converter

VER 1.2

6

ACE714C

Figure 2. Dimming Control Using a DV Voltage

3.Using a Filtered PWM Signal to FB Pin

The filtered PWM signal can be considered as an adjustable DC voltage. It can be used to replace the

variable DC voltage source in dimming control. The circuit is shown in Figure 3.

ACE714C

Figure 3. Dimming Control Using a Filtered PWM Signal