SLVU382A August   2010  – September 2021 TPS54425

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
  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
  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, C3210uFCapacitor, Ceramic, 25V, X5R, 20%1210C3225X5R1E106MTDK
C110OpenCapacitor, Ceramic1206StdStd
C2, C80OpenCapacitor, Ceramic0603StdStd
C513300pFCapacitor, Ceramic, 25V, X7R , 10%0603StdStd
C611.0uFCapacitor, Ceramic, 16V, X7R, 10%0603StdStd
C4, C710.1uFCapacitor, Ceramic, 50V, X7R, 10%0603StdStd
C9, C10222uFCapacitor, Ceramic, 6.3V, X5R, 20%1206C3216X5R0J226MTDK
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
L111.5uHInductor, SMT, 11 A, 9.7 mΩ0.256 x 0.280 inchSPM6530T-1R5M100TDK
R118.25kResistor, Chip, 1/16W, 1%0603StdStd
R2122.1kResistor, Chip, 1/16W, 1%0603StdStd
R310Resistor, Chip, 1/16W, 1%0603StdStd
R41100kResistor, Chip, 1/16W, 1%0603StdStd
R50OpenResistor, Chip, 1/16W, 1%0603StdStd
TP1, TP3, TP4, TP6, TP7, TP8, TP935000Test Point, Red, Thru Hole Color Keyed0.100 x 0.100 inch5000Keystone
TP2, TP5, TP935001Test Point, Black, Thru Hole Color Keyed0.100 x 0.100 inch5001Keystone
U11TPS54425PWPIC, 4-A Output Single Sync. Step-DownTPS54425PWPTI
–1Shunt, 100-mil, Black0.100929950-003M
–1PCB, 2.76 In x 1.97 In x 0.062 InHPA608Any