User’s Guide | Texas Instruments TPS40090EVM-002 instruction

User’s Guide

Using the TPS40090EVM-002

User’s Guide

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Texas Instruments TPS40090EVM-002 manual User’s Guide

Contents

User’s Guide EVM Important Notice Dynamic Warnings and Restrictions Introduction Schematic Features Transen Frequency of Operation Component Selection Input Capacitor Selection Inductance Value PH, D + if N PH v 1, DI OUTD, DI OUT N PH, D Output Ripple Cancellation and Capacitor Selection Iripple + L Vout Current Sensing Mosfet Selection OUT Overcurrent Limit Protection R11 Compensation Components Connections for the Test Test Setup Total Power Loss Output Current Efficiency and Power LossTest Results and Performance Data Overall Efficiency Output Current Closed-Loop Performance Gain and Phase Oscillator FrequencyOutput Ripple and Noise Transient Response Transient Response J11 Short Circuit Start up with Pre-Biased Output Layout Considerations Top Side Component Assembly EVM Assembly Drawing and PCB Layout Top Side Copper Internal 2 Power Plane Bottom Layer Copper QTY List of Materials Load Transient Circuit Products Applications Important Notice