SLVU380A September   2010  – October 2021 TPS54320

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Set Point
      2. 1.3.2 Slow Start Time
      3. 1.3.3 Track In
      4. 1.3.4 Adjustable UVLO
      5. 1.3.5 Input Voltage Rails
  3. 2Test Setup and Results
    1. 2.1  Input / Output Connections
    2. 2.2  Efficiency
    3. 2.3  Output Voltage Load Regulation
    4. 2.4  Output Voltage Line Regulation
    5. 2.5  Load Transients
    6. 2.6  Loop Characteristics
    7. 2.7  Output Voltage Ripple
    8. 2.8  Input Voltage Ripple
    9. 2.9  Powering Up
    10. 2.10 Thermal Characteristics
  4. 3Board Layout
    1. 3.1 Layout
    2. 3.2 Estimated Circuit Area
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
  6. 5Revision History

4.2 Bill of Materials

Table 4-1 presents the bill of materials for the TPS54320.

Table 4-1 TPS54320 Bill of Materials
CountRefDesValueDescriptionSizePart NumberMFR
2C2, C34.7µFCapacitor, Ceramic, 25V, X5R, 10%0805StdStd
1C40.015µFCapacitor, Ceramic, 50V, X7R, 10%0603StdStd
1C50.1µFCapacitor, Ceramic, 16V, X7R, 10%0603StdStd
1C6330pFCapacitor, Ceramic, 25V, X7R, 10%0603StdStd
1C70.01µFCapacitor, Ceramic, 25V, X7R, 10%0603StdStd
1C947µFCapacitor, Ceramic, 6.3V, X5R, 20%1210StdStd
1C11100pFCapacitor, Ceramic, 50V, C0G, 5%0603StdStd
1L16.8 µHInductor, SMT, 3.6A, 24 milliohm8.7 mm x 8.6 mmVLP8040T-6R8MTDK
1R1511KΩResistor, Chip, 1/16W, 1%0603StdStd
2R2, R3100KΩResistor, Chip, 1/16W, 1%0603StdStd
1R41.78KΩResistor, Chip, 1/16W, 1%0603StdStd
1R751.1ΩResistor, Chip, 1/16W, 1%0603StdStd
1R831.6KΩResistor, Chip, 1/16W, 1%0603StdStd
1R910.0KΩResistor, Chip, 1/16W, 1%0603StdStd
1U1TPS54320RHLIC, 17V Input, 3A Output, Sync. Step Down Switcher with Integrated FETQFN14TPS54320RHLTI