SLVS503F November 2003 – February 2020 TPS2490 , TPS2491
PRODUCTION DATA.
For this design example, the following values are targeted: VUVH = 18 V, VUVL = 17 V. First, pick R2 to be a common value such as 10 kΩ. R1 can be computed using the Equation 27:
Nearest available 1% resistors should be chosen. Set R1 = 124 kΩ, R2 = 10 kΩ.