SNVAA65
March 2023
LM63610-Q1
,
LM63615-Q1
,
LM63625-Q1
,
LM63635-Q1
Abstract
Trademarks
1
Inverting Buck-Boost Topology
1.1
Concept
1.2
Output Current Calculations
1.3
Voltage Range of Inverting Buck-Boost Configuration
2
Design Considerations
2.1
Bypass Capacitor and Optional Schottky Diode
3
External Components
3.1
Capacitor Selection
4
Digital Pin Configurations
4.1
Optional Enable (EN) Level Shifter
4.2
Power-Good (PG) Pin
5
Typical Performance
5.1
VOUT = -3.3 V, 2.1 MHz Typical Performance
5.2
VOUT = -3.3 V, 400 kHz Typical Performance
5.3
VOUT = -5 V, 2.1 MHz Typical Performance
5.4
VOUT = -5 V, 400 kHz Typical Performance
6
Conclusion
7
References
4
Digital Pin Configurations