Texas Instruments TPS40090EVM-002 manual User’s Guide

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User’s Guide

Using the TPS40090EVM-002

User’s Guide

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Contents User’s Guide EVM Important Notice Dynamic Warnings and Restrictions Introduction Schematic FeaturesTransen Frequency of Operation Component SelectionInput Capacitor Selection Inductance ValuePH, D + if N PH v 1, DI OUTD, DI OUT N PH, D Output Ripple Cancellation and Capacitor SelectionIripple + L VoutCurrent Sensing Mosfet SelectionOUT Overcurrent Limit ProtectionR11 Compensation ComponentsConnections for the Test Test SetupTotal Power Loss Output Current Efficiency and Power LossTest Results and Performance Data Overall Efficiency Output CurrentClosed-Loop Performance Gain and Phase Oscillator FrequencyOutput Ripple and Noise Transient Response Transient ResponseJ11 Short Circuit Start up with Pre-Biased OutputLayout Considerations Top Side Component Assembly EVM Assembly Drawing and PCB LayoutTop Side Copper Internal 2 Power Plane Bottom Layer Copper QTY List of MaterialsLoad Transient Circuit Products Applications Important Notice
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