SNVAA94
November 2023
LM5113-Q1
,
LMG1205
,
LMG1210
1
Abstract
Trademarks
1
Introduction
2
Bootstrap Overcharge
3
Modeling Bootstrap Overcharge
4
Changing Bootstrap Components
5
Zener Diode Method
6
Schottky Diode Method
7
Overvoltage Clamp Method
8
Active Switch Method
9
Synchronous GaN Bootstrap Method
10
Other Methods of Preventing Bootstrap Overcharge
10.1
Reducing Dead Time
10.2
Opting for a Bias Supply
10.3
Adjusting for Gate Voltage
11
Summary
12
References
Application Note
Implementing Bootstrap Overcharge Prevention in GaN Half-bridge Circuits