An external resistor divider is used to set output voltage according to Equation 2.
When sizing R2, in order to achieve low current consumption and acceptable noise sensitivity, use a maximum of 200 kΩ for R2. Larger currents through R2 improve noise sensitivity and output voltage accuracy but increase current consumption.
A feed forward capacitor, C3 improves the loop bandwidth to make a fast transient response (shown in Figure 24). A 10-pF capacitance is recommended for R2 of 100-kΩ resistance. A more detailed discussion on the optimization for stability vs. transient response can be found in SLVA289.