SNVU907A July   2024  – August 2024 LM5137-Q1 , LM5137F-Q1

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
      1. 1.3.1 Application Circuit Diagrams
    4. 1.4 Device Information
  8. 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
  9. 3Implementation Results
    1. 3.1 Test Data and Performance Curves
      1. 3.1.1 Efficiency
      2. 3.1.2 Operating Waveforms
        1. 3.1.2.1 Load Transient Response
        2. 3.1.2.2 Startup/Shutdown With VIN
        3. 3.1.2.3 Startup/Shutdown With ENABLE ON and OFF
        4. 3.1.2.4 Switching
      3. 3.1.3 Thermal Performance
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 PCB Layout
      1. 4.2.1 Component Drawings
      2. 4.2.2 Layout Guidelines
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1. 5.1 Trademarks
  12. 6Device and Documentation Support
    1. 6.1 Device Support
      1. 6.1.1 Development Support
    2. 6.2 Documentation Support
      1. 6.2.1 Related Documentation
        1. 6.2.1.1 PCB Layout Resources
        2. 6.2.1.2 Thermal Design Resources
  13. 7Revision History

4.3 Bill of Materials

Table 4-1 Bill of Materials
COUNTREF DESDESCRIPTIONPART NUMBERMFR
1C1Capacitor, ceramic, 0.1μF, 100V, X7R, 0805StdStd
10C2, C3, C12, C13, C14, C15, C34, C35, C36, C37Capacitor, ceramic, 10μF, 50V, X7S, 1210, AEC-Q200GCM32EC71H106KA03LMurata
Capacitor, ceramic, 10μF, 50V, X7R, 1210, AEC-Q200 CNA6P1X7R1H106K250AE TDK
4 C4, C5, C6, C7 Capacitor, ceramic, 2.2μF, 50V, X7R, 0805, AEC-Q200 CGA4J3X7R1H225K125AE TDK
8 C8, C9, C10, C11, C30, C31, C32, C33 Capacitor, ceramic, 10nF, 100V, X7R, 0603 GRM188R72A103KA01D Murata
1C16Capacitor, electrolytic, 330μF, 50V, AEC-Q200EEV-FK1H331QPanasonic
10C18, C19, C20, C21, C22, C40, C41, C42, C43, C44Capacitor, ceramic, 47μF, 10V, X7R, 1210, AEC-Q200GRM32ER71A476KE15LMurata
6C23, C24, C29, C38, C45, C46Capacitor, ceramic, 0.1μF, 25V, X7R, 0603StdStd
1 C26 Capacitor, ceramic, 0.1μF, 100V, X7R, 0603 Std Std
1 C27 Capacitor, ceramic, 4.7μF, 16V, X7R, 0603 Std Std
1 C28 Capacitor, ceramic, 1μF, 16V, X7R, 0603 Std Std
2 C48, C49 Capacitor, ceramic, 68pF, 50V, C0G, 5%, 0603 Std Std
2 C50, C51 Capacitor, ceramic, 3.3nF, 50V, X7R, 10%, 0603 Std Std
4H1, H2, H3, H4Hex standoff threaded #4-40 nylon 0.750", 3/4" natural1902DKeystone
4 H5, H6, H7, H8 #4-40 pan head machine screw Phillips drive nylon NY PMS 440 0038 PH Building Fasteners
3 J1, J2, J3 Terminal block, 5mm, 2-pole, tin, TH 282856-2 TE Connectivity
1 J4 Header, 100mil, 14 × 1, Gold, TH TSW-114-07-G-S Samtec
3 L2, L4, L6 Inductor, 1µH, 37A, 2.3mΩ, AEC-Q200 VCHA105D-1R0MS6 Cyntec
Inductor, 1µH, 33.8A, 2.7mΩ, AEC-Q200 784373680010 Würth Electronik
2Q1, Q3MOSFET, N-channel, 40V, 2.8mΩ, AEC-Q101IAUCN04S7L028ATMA1Infineon
2 Q2, Q4 MOSFET, N-channel, 40V, 1.9mΩ, AEC-Q101 IAUCN04S7L019ATMA1 Infineon
1R1Resistor, 0Ω, 0805StdStd
1R2, R16Resistor, 2mΩ, 3W, 2%, 1225, AEC-Q200KRL6432E-M-R002-G-T1Susumu
2 R4, R22 Resistor, 249Ω, 1/10W, 1%, 0603 Std Std
2 R5, R15 Resistor, 0Ω, 1/10W, 1%, 0603 Std Std
2 R7, R21 Resistor, 10Ω, 1/10W, 1%, 0603 Std Std
5 R8, R18, R23, R30, R40 Resistor, 10kΩ, 1/10W, 1%, 0603 Std Std
4 R10, R11, R25, R27 Resistor, 78.7kΩ, 1/10W, 1%, 0603 Std Std
4 R13, R14, R32, R33 Resistor, 15kΩ, 1/10W, 1%, 0603 Std Std
1 R19 Resistor, 20kΩ, 1/10W, 1%, 0603 Std Std
1 R20 Resistor, 52.3kΩ, 1/10W, 1%, 0603 Std Std
2 R28, R29 Resistor, 200kΩ, 1/10W, 1%, 0603 Std Std
2 R30, R31 Resistor, 100kΩ, 1/10W, 1%, 0603 Std Std
2R12, R15Resistor, 49.9Ω, 1/10W, 1%, 0603StdStd
2 R35, R38 Resistor, 4.99kΩ, 1/10W, 1%, 0603 Std Std
2 R36, R37 Resistor, 24.9kΩ, 1/10W, 1%, 0603 Std Std
1 R41 Resistor, 7.5kΩ, 1/10W, 1%, 0603 Std Std
2 R42, R43 Resistor, 36.5kΩ, 1/10W, 1%, 0603 Std Std
7 TP1, TP2, TP3, TP4, TP5, TP6, TP7 Test point, miniature, SMT 5019 Keystone
1U1IC, LM5137-Q1, 80V dual synchronous buck controller, VQFN-36LM5137FDQRHARQ1TI
1PCB1PCB, FR4, 6 layer, 2oz, 84mm × 74mmPCB–