SLVU247A July   2008  – October 2021 TPS54331 , TPS54331-Q1

 

  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
  3. 2Test Setup and Results
    1. 2.1 Input and 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
  4. 3Board Layout
    1. 3.1 Layout
  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 TPS54331EVM-232..

Table 4-1 TPS54331EVM-232 Bill of Materials
CountRef DesValueDescriptionSizePart NumberMfr
2C1, C24.7 μFCapacitor, Ceramic, 50 V, X7R, 20%1210StdStd
0C107343(D)StdStd
1C30.01 μFCapacitor, Ceramic, 50 V, X7R, 10%0603StdStd
1C40.1 μFCapacitor, Ceramic, 16 V, X7R, 10%0603StdStd
1C50.01 μFCapacitor, Ceramic, 16 V, X7R, 10%0603StdStd
1C61000 pFCapacitor, Ceramic, 16 V, X7R, 10%0603StdStd
1C747 pFCapacitor, Ceramic, 16 V, X7R, 10%0603StdStd
2C8, C947 μFCapacitor, Ceramic, 6.3, X5R, 20%1206C3216X5R0J476MTTDK
1D1B340ADiode, Schottky, 3 A, 40 VSMAB340ADiodes Inc
2J1, J4ED1514Terminal Block, 2-pin, 6 A, 3.5 mm0.27 × 0.25 inchED1514OST
2J2, J3PTC36SAANHeader, 2-pin, 100-mil spacing, (36-pin strip)0.100 × 2PTC36SAAN
1L16.8 μHInductor, SMT, 3.84 A, 35 mΩ0.406 × 0.409CDRH103RNP-6R8Sumida
1R1332 kResistor, Chip, 1/16W, 1%0603StdStd
1R268.1 kResistor, Chip, 1/16W, 1%0603StdStd
1R329.4 kResistor, Chip, 1/16W, 1%0603StdStd
1R40Resistor, Chip, 1/16W, 1%0603StdStd
1R510.2 kResistor, Chip, 1/16W, 1%0603StdStd
1R63.24 kResistor, Chip, 1/16W, 1%0603StdStd
0R7Resistor, Chip, 1/16W, 1%0603StdStd
3TP1, TP3, TP55000Test Point, Red, Thru Hole Color Keyed0.100 × 0.100 inch5000Keystone
3TP2, TP4, TP65001Test Point, Black, Thru Hole Color Keyed0.100 × 0.100 inch5001Keystone
1U1TPS5433xDIC, DC-DC Converter, 28 V, 3 ASO-8TPS54331DTI
1—PCB, HPA2322.0" × 2.0" × 0.062"HPA232Any
2—Shunt, 100-mil, Black0.100929950-003M