SLVAFH1A
December 2022 – December 2023
TPS62933
,
TPS62933F
,
TPS62933O
,
TPS62933P
1
Create an Inverting Power Supply Using a TPS6293x Buck Converter With Internal Compensation
Trademarks
1
Configuring the Buck Converter for Inverting Buck-Boost Topology Application
2
Choosing the Correct Buck Converter for Inverting Power Application
2.1
Output Voltage Range
2.2
Input Voltage Range
2.3
Output Current Range
3
Selecting Applicable External Components for Inverting Power Application
3.1
Resistor Divider
3.2
Inductor and Output Capacitor Selection
3.2.1
Inductor Selection
3.2.1.1
Output Current
3.2.1.2
Inductor Current Ripple
3.2.2
Output Capacitor Selection
3.2.2.1
Large Load Transient
3.2.2.2
Output Ripple Voltage
3.3
Input Capacitors
3.4
Bypass Capacitor
3.5
Enabling and Adjusting UVLO
4
Experimental Results
5
Summary
6
References
7
Revision History
Application Note
Create an Inverting Power Supply Using a TPS6293x Buck Converter With Internal Compensation