SLVU578A December   2011  – September 2021 TPS54428

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
    2. 3.2 Output Filter and Closed-Loop Response
  5. 4Test Setup and Results
    1. 4.1  Input/Output Connections
    2. 4.2  Start-Up Procedure
    3. 4.3  Efficiency
    4. 4.4  Load Regulation
    5. 4.5  Line Regulation
    6. 4.6  Frequency
    7. 4.7  Load Transient Response
    8. 4.8  Output Voltage Ripple
    9. 4.9  Input Voltage Ripple
    10. 4.10 Start-Up and Shut-Down
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic, Bill of Materials, and Reference
    1. 6.1 Schematic
    2. 6.2 Bill of Materials
    3. 6.3 Reference
  8. 7Revision History

6.2 Bill of Materials

Table 6-1 Bill of Materials
REFDESQTYVALUEDESCRIPTIONSIZEPART NUMBERMFR
C1, C2210 μFCapacitor, Ceramic, 25 V, X5R, 20%1210StdStd
C110OpenCapacitor, Ceramic1206StdStd
C3, C720.1 μFCapacitor, Ceramic, 50 V, X7R, 10%0603StdStd
C4, C81OpenCapacitor, Ceramic0603StdStd
C511.0 μFCapacitor, Ceramic, 16 V, X7R, 10%0603StdStd
C618200 pFCapacitor, Ceramic, 25 V, X7R , 10%0603StdStd
C9, C10222 μFCapacitor, Ceramic, 6.3 V, X5R, 20%1206C3216X5R0J226MTDK
L111.5 μHInductor, SMT, 11 A, 9.7 mΩ0.256 x 0.280 inchSPM6530T-1R5M100TDK
R118.25 kResistor, Chip, 1/16W, 1%0603StdStd
R2122.1 kResistor, Chip, 1/16W, 1%0603StdStd
R310Resistor, Chip, 1/16W, 1%0603StdStd
R4110.0 kResistor, Chip, 1/16W, 1%0603StdStd
R50OpenResistor, Chip, 1/16W, 1%0603StdStd
U11TPS54428DDAIC, 4-A Output Single Sync. Step-DownSO8[DDA]TPS54428DDATI