SNVU872A September   2023  – March 2024 LM70880-Q1

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Test Setup and Procedure
      1. 2.1.1 EVM Connections
      2. 2.1.2 Test Equipment
      3. 2.1.3 Recommended Test Setup
        1. 2.1.3.1 Input Connections
        2. 2.1.3.2 Output Connections
      4. 2.1.4 Test Procedure
        1. 2.1.4.1 Line and Load Regulation, Efficiency
  8. 3Implementation Results
    1. 3.1 Performance Data and Results
      1. 3.1.1 EVM Characteristics
      2. 3.1.2 Conversion Efficiency
      3. 3.1.3 Operating Waveforms
        1. 3.1.3.1 Switching
        2. 3.1.3.2 Load Transient Response
        3. 3.1.3.3 Line Transient Response
        4. 3.1.3.4 Start-Up and Shutdown With EN
        5. 3.1.3.5 Start-Up with VIN
      4. 3.1.4 Bode Plot
      5. 3.1.5 CISPR 25 EMI Performance
      6. 3.1.6 Thermal Performance
  9. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 Component Drawings
      2. 4.2.2 Multi-Layer Stackup
    3. 4.3 Bill of Materials
  10. 5Compliance Information
    1. 5.1 Compliance and Certifications
  11. 6Related Documentation
    1. 6.1 Supplemental Content
      1. 6.1.1 Development Support
      2. 6.1.2 PCB Layout Resources
      3. 6.1.3 Thermal Design Resources
  12. 7Additional Information
    1. 7.1 Trademarks
  13. 8Revision History

4.3 Bill of Materials

Table 4-1 Bill of Materials
QTYREF DESDESCRIPTIONPART NUMBERMFR
1 C1 Capacitor, Aluminum, 33µF, 100V, 1Ω, AEC-Q200 EEE-TG2A330P Panasonic
1 C2 Capacitor, Ceramic, 2.2μF, 100V, X7S, 1206, AEC-Q200 CGA5L3X7S2A225K160AB TDK
2C3, C25Capacitor, Ceramic, 0.1μF, 100V, X7R, 0603, AEC-Q200GCJ188R72A104KA01DMurata
6 C4, C5, C8, C9, C10, C11 Capacitor, Ceramic, 4.7μF, 100V, X7S, 1210, AEC-Q200 GCM32DC72A475KE02L Murata
CGA6M3X7S2A475K200AB TDK
1 C6 Capacitor, Ceramic, 0.1μF, 10V, X7R, 0402, AEC-Q200 C0402C104K8RACAUTO Kemet
1 C7 Capacitor, Ceramic, 4.7μF, 10V, X7R, 0603 GRM188Z71A475ME15D Murata
1 C12 Capacitor, Ceramic, 0.1µF, 25V, X7R, 0402 Std Std
4 C14, C15, C16, C17 Capacitor, Ceramic, 47μF, 10V, X7R, 1210 GRM32ER71A476KE15L Murata
1 C20 Capacitor, Ceramic, 0.1μF, 50V, X7R, 0603 AEC-Q200 CGA3E2X7R1H104K080AA TDK
1 C22 Capacitor, Ceramic, 33pF, 50V, C0G/NP0, 0402, AEC-Q200 GCM1555C1H330JA16D Murata
1 C23 Capacitor, Ceramic, 47pF, 50V, C0G/NP0, 0402, AEC-Q200 CGA2B2C0G1H470J050BA TDK
1 C24 Capacitor, Ceramic, 6800pF, 50V, X7R, 0402, AEC-Q200 CGA2B2X7R1H682K050BA TDK
3J1, J3, J4Terminal Block, 2 position, 5mm, THStdStd
1J2Header, 100 mil, 11 × 1, Au, THStdStd
1L1Inductor, 1μH, 12mΩ typical, 5.3A, 4.1 × 4.1 × 2.1mm typ, AEC-Q20074438356010Wurth
1L2Common Mode Choke, 700Ω at 100MHz, 4A, 15mΩ, 7.0 × 6.0 × 3.8mm typical, AEC-Q200CM7060P701R-10Laird
1L3Inductor, 3.3μH, 5.9mΩ, 10.1A, 6.71 × 6.51 × 6.1mm typical, AEC-Q200XGL6060-332MECCoilcraft
1 R1 Resistor, Chip, 0Ω, 1/8 W, 1%, 0805 Std Std
1 R2 Resistor, Chip, 100kΩ, 1/10 W, 1%, 0603 Std Std
1 R3 Resistor, Chip, 100kΩ, 1/16 W, 1%, 0402 Std Std
2 R4, R19 Resistor, Chip, 0Ω, 1/5 W, 1%, 0402 Std Std
1 R5 Resistor, Chip, 4mΩ, 1 W, 1%, 0508, AEC-Q200 KRL2012E-M-R004-F-T5 Susumu
1 R7 Resistor, Chip, 20.5kΩ, 1/16 W, 1%, 0402 Std Std
1 R10 Resistor, Chip, 0Ω, 1/10 W, 1%, 0603 Std Std
1 R12 Resistor, Chip, 49.9Ω, 1/16 W, 1%, 0402 Std Std
1 R13 Resistor, Chip, 54.9kΩ, 1/16 W, 1%, 0402 Std Std
1 R14 Resistor, Chip, 5.76kΩ, 1/16 W, 1%, 0402 Std Std
1R16Resistor, Chip, 30.1kΩ, 1/16 W, 1%, 0402StdStd
1R17Resistor, Chip, 24.9kΩ, 1/16 W, 1%, 0402StdStd
6TP1, TP2, TP3, TP4, TP5, TP6Test Point, Miniature, SMT5019Keystone
1U1IC, LM70880-Q1, 80V, 8A Synchronous DC/DC Buck Controller with Ultra-Low IQ, VQFN-29LM70880QRRXRQ1TI
1PCB1PCB, FR4, 6 layer, 2 ozPCB–