SNVAA63
March 2023
TPSM365R6
Abstract
Trademarks
1
Inverting Buck-Boost Topology
1.1
Concept
1.2
Output Current Calculations
1.3
VIN and VOUT Range in Inverting Configuration
2
Design Considerations
2.1
Additional Bypass Capacitor and Schottky Diode
2.2
Start-up Behavior and Switching Node Consideration
3
External Components
3.1
Capacitor Selection
3.2
System Loop Stability
4
Typical Performance
5
Digital Pin Configurations
5.1
Digital Input Pin
5.2
Power-Good Pin
6
Conclusion
7
References