SLUU522A August   2011  – January 2022 TPS53355

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  6. 5 Configurations
    1. 5.1 Switching Frequency Selection
    2. 5.2 Soft-Start Selection
    3. 5.3 Mode Selection
    4. 5.4 Enable Selection
  7. 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 Test Point List
    4. 6.4 Equipment Shutdown
  8. 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 Prebias Turn-On
    10. 7.10 Output Overcurrent and Short-Circuit Protection
    11. 7.11 Bode Plot
    12. 7.12 Thermal Image
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

9 Bill of Materials

Table 9-1 The EVM Components List According to the Schematic Shown in Figure 3-1
QTY REFDES DESCRIPTION MFR PART NUMBER
4 C1, C2, C3, C4 Capacitor, Ceramic, 22 μF, 16 V, X5R, 20%, 1210 MURATA GRM32ER61C226KE20L
5 C12, C13, C14, C15, C16 Capacitor, Ceramic, 100 μF, 6.3 V, X5R, 20%, 1210 MURATA GRM32ER60J107ME20L
1 C10 Capacitor, Ceramic, 2.2 nF, 50 V, X7R, 20%, 0603 STD STD
1 C11 Capacitor, Ceramic, 0.022 μF, 50 V, X7R, 20%, 0603 STD STD
1 C19 Capacitor, Ceramic, 1000 pF, 50 V, X7R, 20%, 0603 STD STD
2 C5, C9 Capacitor, Ceramic, 0.1 μF, 50 V, X7R, 20%, 0603 STD STD
1 C6 Capacitor, Aluminum, 100 μF, 16 VDC, 20%, Code D8 Panasonic EEEFP1C101AP
1 C7 Capacitor, Ceramic, 4.7 μF, 25 V, X5R, 20%, 0805 STD STD
1 C8 Capacitor, Ceramic, 1 μF, 50 V, X7R, 20%, 0603 STD STD
1 L1 Inductor, SMT, 0.44 μH, 30 A, 0.0032 Ω, 0.530 inch × 0.510 inch Pulse PA0513-441NLT
1 R1 Resistor, Chip, 147 k, 1/16W, 1%, 0603 STD STD
1 R11 Resistor, Chip, 10, 1/16W, 1%, 0603 STD STD
1 R12 Resistor, Chip, 10.0 k, 1/16W, 1%, 0603 STD STD
1 R13 Resistor, Chip, 39.2 k, 1/16W, 1%, 0603 STD STD
1 R14 Resistor, Chip, 187 k, 1/16W, 1%, 0603 STD STD
1 R16 Resistor, Chip, 619 k, 1/16W, 1%, 0603 STD STD
1 R19 Resistor, Chip, 475 k, 1/16W, 1%, 0603 STD STD
1 R2 Resistor, Chip, 0, 1/16W, 1%, 0603 STD STD
1 R20 Resistor, Chip, 866 k, 1/16W, 1%, 0603 STD STD
1 R21 Resistor, Chip, 309 k, 1/16W, 1%, 0603 STD STD
1 R22 Resistor, Chip, 124 k, 1/16W, 1%, 0603 STD STD
2 R3, R1 Resistor, Chip, 200 k, 1/16W, 1%, 0603 STD STD
3 7 R5, R9, R15 Resistor, Chip, 100 k, 1/16W, 5%, 0603 STD STD
1 R4 Resistor, Chip, 1.00 k, 1/16W, 1%, 0603 STD STD
1 R6 Resistor, Chip, 2.05, 1/16W, 1%, 0603 STD STD
2 R7, R10 Resistor, Chip, 14.7k, 1/16W, 1%, 0603 STD STD
1 R8 Resistor, Chip, 3.01, 1/16W, 1%, 0805 STD STD
1 U1 IC, 30-A Synchronous Buck converter with integrated MOSFETs, DQP-22 TI TPS53355DQP