SLVU835A January   2013  – October 2021 TPS54239

 

  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  Load Transient Response
    7. 4.7  Output Voltage Ripple
    8. 4.8  Input Voltage Ripple
    9. 4.9  Start-Up
    10. 4.10 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, C2210uFCapacitor, Ceramic, 25V, X5R, 20%1210StdStd
C310.1uFCapacitor, Ceramic, 50V, X7R, 10%1206StdStd
C4, C80OpenCapacitor, Ceramic0603StdStd
C510.47uFCapacitor, Ceramic, 16V, X7R, 10%0603StdStd
C618200pFCapacitor, Ceramic, 25V, X7R , 10%0603StdStd
C710.1uFCapacitor, Ceramic, 50V, X7R, 10%0603StdStd
C9, C10222uFCapacitor, Ceramic, 6.3V, X5R, 20%1206C3216X5R0J226MTDK
C111OpenCapacitor, Ceramic1206StdStd
D10OpenDiode, 0.5 A, 30 V, 2PINTUMD2RSX051VA-30Rohm
J1, J22ED555/2DSTerminal Block, 2-pin, 6-A, 3.5mm0.27 x 0.25 inchED555/2DSSullins
JP11PEC03SAANHeader, Male 3-pin, 100mil spacing0.100 inch x 3PEC03SAANSullins
L112.2uHInductor, SMT, 5.5A, 14.6 mΩ0.256 x 0.280 inchCLF7045T-2R2NTDK
R118.25kResistor, Chip, 1/16W, 1%0603StdStd
R2122.1kResistor, Chip, 1/16W, 1%0603StdStd
R3, R520Resistor, Chip, 1/16W, 1%0603StdStd
R4110.0kResistor, Chip, 1/16W, 1%0603StdStd
R50OpenResistor, Chip, 1/16W, 1%0603StdStd
TP1, TP3, TP4, TP5, TP6, TP835000Test Point, Red, Thru Hole Color Keyed0.100 x 0.100 inch5000Keystone
TP2, TP7, TP935001Test Point, Black, Thru Hole Color Keyed0.100 x 0.100 inch5001Keystone
U11TPS54239DDAIC, 4.5-23 V Input, 2-A Sync. Step-Down SWIFT ConverterSO8[DDA]TPS54239DDATI
–1Shunt, 100-mil, Black0.100929950-003M
–1PCBPWR056Any