Simple circuit for regulator programming with PWM where V_OUT ranges from 0.8 V to 10 V as the duty factor (D) goes from 0 to 1

Authors	Stephen Woodward
Main Document	Article «Three discretes suffice to interface PWM to switching regulators»
Description	Figure 2
File Format / Size	PDF / 15 Kb
Document Language	English

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Article «Three discretes suffice to interface PWM to switching regulators»

Figure 1. A typical regulator output programming network with a basic two-resistor network for output voltage programming
Figure 2. Simple circuit for regulator programming with PWM where V_OUT ranges from 0.8 V to 10 V as the duty factor (D) goes from 0 to 1
Figure 3. Graph showing V_OUTversus the Figure 2 PWM D
Figure 4. D versus V_OUT; the non-linearity necessitates a bit of software complexity to perform the conversion

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