??? 02/07/10 19:34 Read: times |
#172960 - Implement an "Inverting Buck-Boost"... Responding to: ???'s previous message |
...like shown in figure 11 of this link
http://www.national.com/ds/LM/LM2574.pdf Take the LM2674, though, it's an improved LM2574. You can still add a linear regulator for fine regulation, if extra low noise performance is needed. Kai Klaas |