SPVA023
July 2025
LM25184
,
LM2611
,
LM27761
,
LM5158
,
LMR33640
,
TLV171
,
TPS63700
1
Abstract
Trademarks
1
Introduction
2
Methods to Design a Negative Power Supply from Positive Voltage
2.1
Generate Negative Power Supply by Using a Charger Pump
2.2
Generate Negative Power Supply Using An Inverter Regulator
2.3
Generate Negative Power Supply Using A Buck Regulator
2.4
Generate Negative Power Supply Using A Cuk Regulator
2.5
Generate Negative Power Supply With A Fly-Back Converter
3
Summary
4
References
Application Note
Generate Negative Power Supply from Positive Power Supply