ZHCSIH0A December 2017 – July 2018 LP87702-Q1
The output voltage of BUCKx converter can be changed by writing to the BUCKx_VOUT register. The voltage change for buck converter is always slew-rate controlled, and the slew-rate is defined by the BUCKx_SLEW_RATE[2:0] bits in BUCKx_CTRL_2 register. During voltage change the forced PWM mode is used automatically. When the programmed output voltage is achieved, the mode becomes the one defined by load current, and the BUCKx_FPWM bit.
The voltage change and power-good interrupts are shown in Figure 12.