SLVU728A May   2012  – December 2021 TPS53318 , TPS53319

 

  1. Introduction
    1. 1.1 Typical Applications
    2. 1.2 Features
  2. Electrical Performance Specifications
  3. Schematic
  4. Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  5. Configurations
    1. 5.1 Switching Frequency Selection
    2. 5.2 Soft Start Selection
    3. 5.3 Mode Selection
    4. 5.4 Enable Selection
  6. Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Control Loop Gain and Phase Measurement Procedure
    3. 6.3 List of Test Points
    4. 6.4 Equipment Shutdown
  7. Performance Data and Typical Characteristic Curves
    1. 7.1  Efficiency
    2. 7.2  Load Regulation
    3. 7.3  Line Regulation
    4. 7.4  Enable Turn-On/ Turn-Off
    5. 7.5  Output Ripple
    6. 7.6  Switching Node
    7. 7.7  Output Transient with Auto-skip Mode
    8. 7.8  Output Transient with FCCM mode
    9. 7.9  Output 0.75-V Pre-bias Turn-On
    10. 7.10 Output Overcurrent and Short Circuit Protection
    11. 7.11 Bode plot
    12. 7.12 Thermal Image
  8. EVM Assembly Drawing and PCB Layout
  9. Bill of Materials
  10. 10Revision History

Bill of Materials

Table 9-1 list the EVM components according to the schematic shown in Figure 3-1.

Table 9-1 Components List
QTY.RefDesDescriptionMFRPart Number
2C1, C2Capacitor, Ceramic, 22 μF, 25 V, X5R, 20%, 1210STDSTD
3C7, C8, C9Capacitor, Ceramic, 100 μF, 6.3 V, X5R, 20%, 1210STDSTD
1C13Capacitor, Ceramic, 4.7 μF, 25 V, X5R, 20%, 0805STDSTD
1C14Capacitor, Ceramic, 1 μF, 50 V, X7R, 10%, 0603STDSTD
2C18, C19Capacitor, Ceramic, 1000 pF, 50 V, X7R, 10%, 0603STDSTD
3C5, C15, C17Capacitor, Ceramic, 0.1 μF, 50 V, X7R, 10%, 0603STDSTD
1C20Capacitor, Ceramic, 100 pF, 50 V, X7R, 10%, 0603STDSTD
1L1Inductor, SMT, 500 nH±15%, 17 A, DCR: 0.29 mΩ±10%, 7 mm × 11 mmDeltaHCB1175-501TI
1R1Resistor, Chip, 0, 1/16W, 1%, 0603STDSTD
1R7Resistor, Chip, 3.01, 1/16W, 1%, 0603STDSTD
2R10, R23Resistor, Chip, 14.7 k, 1/16W, 1%, 0603STDSTD
1R11Resistor, Chip, 10, 1/16W, 1%, 0603STDSTD
1R13Resistor, Chip, 187 k, 1/16W, 1%, 0603STDSTD
1R14Resistor, Chip, 619 k, 1/16W, 1%, 0603STDSTD
1R16Resistor, Chip, 866 k, 1/16W, 1%, 0603STDSTD
1R17Resistor, Chip, 309 k, 1/16W, 1%, 0603STDSTD
1R18Resistor, Chip, 124 k, 1/16W, 1%, 0603STDSTD
1R19Resistor, Chip, 39.2 k, 1/16W, 1%, 0603STDSTD
1R2Resistor, Chip, 169 k, 1/16W, 1%, 0603STDSTD
1R22Resistor, Chip, 475 k, 1/16W, 1%, 0603STDSTD
2R3, R21Resistor, Chip, 200 k, 1/16W, 5%, 0603STDSTD
1R4Resistor, Chip, 86.6 k, 1/16W, 1%, 0603STDSTD
1R5Resistor, Chip, 1.00 k, 1/16W, 1%, 0603STDSTD
2R6, R20Resistor, Chip, 100 k, 1/16W, 1%, 0603STDSTD
1R9Resistor, Chip, 3.01 k, 1/16W, 1%, 0603STDSTD
2R12, R24Resistor, Chip, 10.0 k, 1/16W, 1%, 0603STDSTD
1U1IC, 14-A synchronous buck converter with integrated MOSFETs, DQP-22TITPS53319DQP