SNVU891 February   2025 LM25137 , LM25137-Q1 , LM25137F-Q1 , LM5137 , LM5137-Q1 , LM5137F , 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 Start-Up and Shutdown With VIN
        3. 3.1.2.3 Start-Up and Shutdown With ENABLE ON and OFF
        4. 3.1.2.4 Switching Operation
  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 Low-EMI Design Resources
        2. 6.2.1.2 PCB Layout Resources
        3. 6.2.1.3 Thermal Design Resources

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, 4.7μF, 100V, X7S, 1210, AEC-Q200GCM32DC72A475KE02LMurata
CGA6M3X7S2A475K200TDK
4C4, C5, C6, C7Capacitor, ceramic, 470nF, 100V, X7R, 0805, AEC-Q200GRM21BR72A474KA73LMurata
8C8, C9, C10, C11, C30, C31, C32, C33Capacitor, ceramic, 10nF, 100V, X7R, 0603GRM188R72A103KA01DMurata
1C16Capacitor, electrolytic, 68μF, 100V, AEC-Q200EEV-FK2A680QPanasonic
10C18, C19, C20, C21, C22, C40, C41, C42, C43, C44Capacitor, ceramic, 22μF, 25V, X7R, 1210, AEC-Q200CGA6P3X7R1E226M250TDK
Capacitor, ceramic, 22μF, 25V, X7S, 1210, AEC-Q200 GCM32EC71E226KE36 Murata
6C23, C24, C29, C30, C39, C46Capacitor, ceramic, 0.1μF, 25V, X7R, 0603StdStd
1C26Capacitor, ceramic, 0.1μF, 100V, X7R, 0603StdStd
1C27Capacitor, ceramic, 4.7μF, 16V, X7R, 0603StdStd
1C28Capacitor, ceramic, 1μF, 16V, X7R, 0603StdStd
1C48Capacitor, ceramic, 22pF, 50V, C0G, 5%, 0603StdStd
1C50Capacitor, ceramic, 1.2nF, 50V, C0G, 10%, 0603StdStd
4H1, H2, H3, H4Hex standoff threaded #4-40 nylon 0.750", 3/4" natural1902DKeystone
4H5, H6, H7, H8#4-40 pan head machine screw Phillips drive nylonNY PMS 440 0038 PHBuilding Fasteners
2J1, J2Terminal block, 5mm, 2-pole, tin, TH282856-2TE Connectivity
1J4Header, 100mil, 14 × 1, Gold, THTSW-114-07-G-SSamtec
1 L1 Inductor, 3.3µH, 13.4A, 5.9mΩ, AEC-Q200 XGL6060-332MEC Coilcraft
2L4, L6Inductor, 5.6µH, 15A, 10mΩ, AEC-Q200VCHW105D-5R6MS5Cyntec
Inductor, 5.6µH, 16.2A, 10.2mΩ, AEC-Q200 SRP1050WA-5R6M Bourns
Inductor, 4.7µH, 15.7A, 8.3mΩ, AEC-Q200 VCHA105D-4R7MS6 Cyntec
2Q1, Q3MOSFET, N-channel, 80V, 13.4mΩ, AEC-Q101NVMFS6H852NLT1Gonsemi
2Q2, Q4MOSFET, N-channel, 80V, 6.2mΩ, AEC-Q101NVMFS6H836NLT1Gonsemi
1R1Resistor, 0Ω, 0805StdStd
1R2, R25Resistor, 4mΩ, 3W, 2%, 1225, AEC-Q200KRL6432E-M-R004-F-T1Susumu
2R4, R30Resistor, 249Ω, 1/10W, 1%, 0603StdStd
5R5, R19, R42, R43, R47Resistor, 0Ω, 1/10W, 1%, 0603StdStd
1R10Resistor, 10Ω, 1/10W, 1%, 0603StdStd
3R11, R24, R38Resistor, 10kΩ, 1/10W, 1%, 0603StdStd
2R13, R15Resistor, 93.1kΩ, 1/10W, 1%, 0603StdStd
1 R16 0Ω jumper, 1206, metal element 5108 Keystone
2R17, R18Resistor, 6.65kΩ, 1/10W, 1%, 0603StdStd
2 R32, R33 Resistor, 15kΩ, 1/10W, 1%, 0603 Std Std
1R19Resistor, 20kΩ, 1/10W, 1%, 0603StdStd
1R20Resistor, 71.5kΩ, 1/10W, 1%, 0603StdStd
1 R21 Resistor, 20kΩ, 1/10W, 1%, 0603 Std Std
1 R22 Resistor, 57.6kΩ, 1/10W, 1%, 0603 Std Std
2 R21, R22 Resistor, 226kΩ, 1/10W, 1%, 0603 Std Std
3 R31, R33, R34 Resistor, 100kΩ, 1/10W, 1%, 0603 Std Std
2 R35, R36 Resistor, 15kΩ, 1/10W, 1%, 0603 Std Std
2 R41, R45 Resistor, 4.99kΩ, 1/10W, 1%, 0603 Std Std
1 R48 Resistor, 14kΩ, 1/10W, 1%, 0603 Std Std
3SH-J1, SH-J2, SH-J3Open top jumper socket, 2.54mm pitchM7582-05Harwin
7TP1, TP2, TP3, TP4, TP5, TP6, TP7Test point, miniature, SMT5019Keystone
1U1IC, LM5137F-Q1, 80V dual synchronous buck controller, VQFN-36LM5137FDQRHARQ1TI
1PCB1PCB, FR4, 6 layer, 2oz, 84mm × 74mmPCB–