SWIFTPOSNEG-CALC

Positive and Negative Output Voltage Split Rail Calculator for SWIFT DC/DC Converters

SWIFTPOSNEG-CALC

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Overview

The SWIFTPosNeg-CALC Excel sheet is a complementary worksheet to the SLVA369 application note.

This worksheet is used to calculate the external components needed to create a dual output (i.e. positive and negative) power supply using a step-down switching regulator and catalog off the shelf coupled inductor.

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Calculation tool

SWIFTPOSNEG-CALC Positive and Negative Output Voltage Split Rail Calculator for SWIFT DC/DC Converters

Supported products & hardware

Supported products & hardware

Buck converters (integrated switch)
TPS54040 3.5V to 42V Input, 0.5A Step-Down Converter with Eco-Mode TPS54060 3.5V to 60V Input, 0.5A Step-Down Converter with Eco-Mode TPS54060-EP TPS54060-EP- 0.5-A, 60V Step Down DC/DC Converter with Eco-Mode TPS54140 3.5V to 42V Input, 1.5A Step-Down Converter with Eco-Mode TPS54160 3.5V to 60V Input, 1.5A Step-Down Converter with Eco-Mode TPS54231 3.5 to 28V Input, 2A, 570kHz Step-Down Converter with Eco-mode™ TPS54232 3.5V to 28V Input, 2A, 1MHz Step-Down Converter with Eco-mode TPS54233 3.5 to 28V Input, 2A, 300kHz Step-Down Converter with Eco-mode TPS54240 3.5V to 42V Input, 2.5A Step-Down Converter with Eco-Mode TPS54260 3.5V to 60V Input, 2.5A Step-Down Converter with Eco-Mode TPS54331 3.5V to 28V Input, 3A, 570kHz Step-Down Converter with Eco-mode TPS54332 3.5V to 28V Input, 3.5A, 1MHz Step-Down Converter with Eco-mode

Technical documentation

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Type Title Date
* Application note Create a Split-Rail Power Supply with a Wide Input Voltage Buck Regulator (Rev. A) Oct. 26, 2012

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