SLVU337A November   2009  – October 2021 TPS54225

 

  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 / Output Connections
    2. 2.2  Start-Up Procedure
    3. 2.3  Efficiency
    4. 2.4  Load Regulation
    5. 2.5  Line Regulation
    6. 2.6  Load Transient Response
    7. 2.7  Output Voltage Ripple
    8. 2.8  Input Voltage Ripple
    9. 2.9  Start Up
    10. 2.10 Switching Frequency
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic, Bill of Materials and Reference
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
    3. 4.3 Reference
  6. 5Revision History

Bill of Materials

Table 4-1 Bill of Materials
RefDesQTYValueDescriptionSizePart NumberMFR
C1, C3210 μFCapacitor, Ceramic, 25 V, X5R, 20%1210C3225X5R1E106MTDK
C110OpenCapacitor, Ceramic1206StdStd
C2, C4, C80OpenCapacitor, Ceramic0603StdStd
C513300 pFCapacitor, Ceramic, 25 V, X7R , 10%0603StdStd
C611 μFCapacitor, Ceramic, 16 V, X7R, 10%0603StdStd
C710.1 μFCapacitor, Ceramic, 50 V, X7R, 10%0603StdStd
C9, C10222 μFCapacitor, Ceramic, 6.3 V, X5R, 20%1206C3216X5R0J226MTDK
J1, J22ED555/2DSTerminal Block, 2-pin, 6-A, 3.5mm0.27 × 0.25 inchED555/2DSSullins
JP11PEC03SAANHeader, Male 3-pin, 100-mil spacing0.100 inch × 3PEC03SAANSullins
L112.2 μHInductor, SMT, 8.2 A, 17.3 milliΩ0.256 × 0.280 inchSPM6530T-2R2MTDK
R118.25 kResistor, Chip, 1/16W, 1%0603StdStd
R2122.1 kResistor, Chip, 1/16W, 1%0603StdStd
R310Resistor, Chip, 1/16W, 1%0603StdStd
R41100 kResistor, 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 × 0.100 inch5000Keystone
TP2, TP5, TP935001Test Point, Black, Thru Hole Color Keyed0.100 × 0.100 inch5001Keystone
U11TPS54225PWPIC, 2-A Output Single Sync. Step-DownTPS54225PWPTI
1Shunt, 100-mil, Black0.100929950-003M
1PCB, 2.76 In × 1.97 In × 0.062 InHPA538Any