Minimum Duty Mode - Texas Instruments UCD3138 Technical Reference Manual

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SNIU028A – February 2016 – Revised April 2016
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Min duty mode 1 with hysteresis
20 30 40 50
Filter Duty
Figure 2-15. Minimum Duty Mode 1
Min duty mode 2 with hysteresis
10 20 30 40
Filter duty
Figure 2-16. Minimum Duty Mode 2
Copyright © 2016, Texas Instruments Incorporated
DPWM Control Register 0 (DPWMCTRL0)
60 70 80 90
50 60 70 80
Digital Pulse Width Modulator (DPWM)
going down to zero
coming up from zero
100
Duty on way down
duty on way up
90 100
57