Internal Layer 2 Copper | Texas Instruments HPA070 guide

SLUU186 − March 2004

Figure 11. Internal Layer 2 Copper

Figure 12. Bottom Layer Copper

14TPS40055-Based Design Converts 12-V Bus to 1.8 V at 15 A (HPA070)

Image 14

Texas Instruments HPA070 manual Internal Layer 2 Copper

Contents

User’s Guide EVM Important Notice Dynamic Warnings and Restrictions Features Introduction Schematic TPS40055EVM−001 HPA070 Schematic Frequency of Operation Component SelectionTPS40055 Device Selection + R2 + f 17.82 10 *6 * 23 k Input capacitor selection Uvlo CircuitryInductance Value Output Capacitor Selection Mosfet selection Compensation Components Short Circuit ProtectionSnubber Component Selection Output Load Test SetupDC Input Source Oscilloscope Probe Test Jacks Test Results / Performance Data Efficiency and Power LossPower Dissipation Load Closed Loop Performance Output Voltage Ripple Transient Response EVM Assembly Drawing and PCB LayoutOutput Ripple and Transient Response Top Side Copper Internal Layer 2 Copper List of Materials TPS40055EVM−001 HP A070 List of Materials References Important Notice Products Applications