CH21CH12PGND3CSEL4PWMI5STV6EN_ADIM7EN_PS8VLOGIC9EN_VSYNC10VDC11VIN12EN13AGND14GD15SLEW16CS17PGND18PWM_SET/PLL19OVP20COMP21ISET122ISET223OSC24ACTL25PGND26CH427CH328