SNVAA84
October 2023
LMR36506
1
Abstract
Trademarks
1
Introduction
1.1
Topology Selection
1.2
From Buck to Fly-Buck-Boost Converter
2
Specific Implementation of the Fly-Buck-Boost Converter
2.1
Schematic
2.2
Bill of Materials
3
Test Results
3.1
Start-up Behavior
3.2
System Loop Stability
3.3
Thermal Behavior
3.4
VOUT Ripple and SW Node Waveforms
3.5
Efficiency Data
3.5.1
Efficiency Data for Balanced Loads
3.5.2
Efficiency Data for Unbalanced Loads
3.6
Load Regulation
3.6.1
Load Regulation for Balanced Loads
3.6.2
Load Regulation for Unbalanced Loads
4
Summary
5
References
5
References
Texas Instruments,
Isolated Power Topologies for PLC I/O Modules and Other Low-Power Applications
, application note.
Texas Instruments,
LM5181 Bipolar + and - 18 V Output Design for Signal Chains in PLC Applications
, application note.
Texas Instruments,
Using the TPS62150 in a Split Rail Topology
, application note.
Texas Instruments,
Using the TPS54335A to Create an Inverting Power Supply
, application note.