SLVU346A January   2010  – February 2022 TPS51218

 

  1.   Trademarks
  2. 1Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2Electrical Performance Specifications
  4. 3Schematic
  5. 4Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
      1. 4.2.1 Configurations
      2. 4.2.2 Input Connections
      3. 4.2.3 Output Connections
      4. 4.2.4 Other Connections
  6. 5Test Procedure
    1. 5.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 5.2 List of Test Points
    3. 5.3 Equipment Shutdown
  7. 6Performance Data and Typical Characteristic Curves
    1. 6.1 Efficiency
    2. 6.2 Load Regulation
    3. 6.3 Transient Response
    4. 6.4 Output Ripple
    5. 6.5 Switch Node Voltage
    6. 6.6 Turn-On Waveform
    7. 6.7 Turn-Off Waveform
    8. 6.8 Output 1.1-V Prebias Turn-On
  8. 7EVM Assembly Drawing and PCB Layout
  9. 8Bill of Materials
  10. 9Revision History

8 Bill of Materials

The EVM components are shown in Table 8-1 according to the schematic shown in Figure 3-1.

Table 8-1 Bill of Materials
QTYREFDESDescriptionMFRPart Number
2C9, C12Capacitor, Ceramic, 22 µF, 16 V, X5R, 10%, 1210MurataGRM32ER61C226KE20L
1C3Capacitor, Ceramic, 1 µF, 16 V, X7R, 10%, 0603STDSTD
2C1, C16Capacitor, Ceramic, 0.022 µF, 16 V, X7R, 10%, 0603STDSTD
1C8Capacitor, Ceramic, 3300 pF, 25 V, X7R, 10%, 0603STDSTD
3C4, C5, C6Capacitor, Ceramic, 10 µF, 16 V, X5R, 10%, 0805STDSTD
2C7, C17Capacitor, Ceramic, 0.1 µF, 25 V, X7R, 10%, 0603STDSTD
5C10, C11, C13, C14, C15Capacitor, Ceramic, 100 µF, 6.3 V, X5R, 20%, 1210MurataGRM32ER60J107ME20L
1L1Inductor, SMT, 0.44 µH, 30 A, 0.0032 Ω, 0.530" × 0.510"PulsePA0513.441NLT
E&E Magnetic831-02990F
1Q1MOSFET, Nchan, 25 V, 21 A, 4.1 mΩ, QFN5X6mmTI (Ciclon)CSD16404Q5A
2Q2, Q4MOSFET, Nchan, 25 V, 31 A, 2.1 mΩ, QFN5X6mmTI(Ciclon)CSD16321Q5
3R1, R11, R13Resistor, Chip, 10 k, 1/16W, 1%, 0603STDSTD
1R10Resistor, Chip, 7.15 k, 1/16W, 1%, 0603STDSTD
1R3Resistor, Chip, 19.6 k, 1/16W, 1%, 0603STDSTD
2R2, R12Resistor, Chip, 100 k, 1/16W, 1%, 0603STDSTD
2R6, R7Resistor, Chip, 0, 1/16W, 1%, 0603STDSTD
1R4Resistor, Chip, 3.01, 1/16W, 1%, 0603
1R5Resistor, Chip, 2.37, 1/16W, 1%, 0603STDSTD
2R8, R9Resistor, Chip, 1, 1/16W, 5%, 0805STDSTD
1U2IC, Integrated LDO with switch-over circuit, DGS10TITPS51103DRC
1U1IC, Synchronous step-down controller, DSC10TITPS51218DSC