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
3.5.2
Efficiency Data for Unbalanced Loads
Figure 3-8
Efficiency With Neg IOUT Set at 1 mA and Pos IOUT Increasing From 1 mA to 150 mA
Figure 3-10
Efficiency With Neg IOUT Set at 150 mA and Pos IOUT Increasing From 1 mA to 150 mA
Figure 3-9
Efficiency With Pos IOUT Set at 1 mA and Neg IOUT Increasing From 1 mA to 150 mA
Figure 3-11
Efficiency With Pos IOUT Set at 150 mA and Neg IOUT Increasing From 1 mA to 150 mA