1-
+
Identify Critical Path
Buck Converter
Boost Converter
Buck-Boost Converter
Critical path
Switching Current exist in the input side
2
-+
Identify Critical Path
Buck Converter
Boost Converter
Buck-Boost Converter
Critical path
3
-+
Identify Critical Path
Buck Converter
Boost Converter
Buck-Boost Converter
-+
Critical path
Non-Inverting
Inverting
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
-+Buck Converter
Boost Converter
Buck-Boost Converter
Non-Inverting
-+
What Can We Do In PCB Layout?--Buck-Boost example