SNVSB83B June 2019 – January 2020 LP8867-Q1 , LP8869-Q1
PRODUCTION DATA.
Switching frequency is adjustable between 300 kHz and 2.2 MHz with RFSET resistor as Equation 1:
where
For example, if RFSET is set to 163 kΩ, fSW will be 400 kHz.
In most cases, lower switching frequency has higher system efficiency and lower internal temperature increase.