SNVSB06D July 2018 – May 2020 LM5180
PRODUCTION DATA.
To minimize output voltage regulation error, the LM5180 senses the reflected secondary voltage when the secondary current reaches zero. The feedback (FB) resistor, which is connected between SW and FB as shown in Figure 19, is determined using Equation 8, where RSET is nominally 12.1 kΩ.