SLVU728A May   2012  – December 2021

 

  1. 1 Introduction
    1. 1.1 Typical Applications
    2. 1.2 Features
  2. 2 Electrical Performance Specifications
  3. 3 Schematic
  4. 4 Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  5. 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. 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. 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. 8 EVM Assembly Drawing and PCB Layout
  9. 9 Bill of Materials
  10. 10Revision History

9 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