1. 1 Identify Critical Path Buck Converter Boost Converter Buck-Boost Converter Critical path Switching Current exist in the input side

2. 2 Identify Critical Path Buck Converter Boost Converter Buck-Boost Converter Critical path

3. 3 Identify Critical Path Buck Converter Boost Converter Buck-Boost Converter Critical path Non-Inverting Inverting

4. What Can We Do In PCB Layout? --Buck example Buck Converter Boost Converter Buck-Boost Converter Minimize critical path area Separate noisy ground path from quiet ground 4

5. 5 Buck Converter Boost Converter Buck-Boost Converter Non-Inverting What Can We Do In PCB Layout? --Buck-Boost example