Texas Instruments manual TPS40055EVM−001 HPA070 Schematic

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SLUU186 − March 2004

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Figure 1. TPS40055EVM−001 (HPA070) Schematic

TPS40055-Based Design Converts 12-V Bus to 1.8 V at 15 A (HPA070)

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Contents User’s Guide EVM Important Notice Dynamic Warnings and Restrictions Introduction FeaturesTPS40055EVM−001 HPA070 Schematic SchematicTPS40055 Device Selection Component SelectionFrequency of Operation + R2 + f 17.82 10 *6 * 23 kInput capacitor selection Uvlo CircuitryInductance Value Mosfet selection Output Capacitor SelectionCompensation Components Short Circuit ProtectionSnubber Component Selection DC Input Source Test SetupOutput Load Oscilloscope Probe Test JacksPower Dissipation Load Efficiency and Power LossTest Results / Performance Data Closed Loop PerformanceOutput Voltage Ripple Transient Response EVM Assembly Drawing and PCB LayoutOutput Ripple and Transient Response Top Side Copper Internal Layer 2 Copper TPS40055EVM−001 HP A070 List of Materials List of MaterialsReferences Products Applications Important Notice