SNVU585B February   2020  – November 2021 LMR43620-Q1

 

  1.   Trademarks
  2. 1Setup
    1. 1.1 Test Points
    2. 1.2 Jumpers
  3. 2Operation
    1. 2.1 Quick Start
  4. 3Schematic
  5. 4Board Layout
  6. 5Bill of Materials
  7. 6Test Results
    1. 6.1 LMR43620MQ3EVM-2M Test Results
      1. 6.1.1 Efficiency and Load Regulation
      2. 6.1.2 Load Transients
      3. 6.1.3 Output Ripple and Thermal Picture
      4. 6.1.4 Conducted EMI
  8. 7Revision History

5 Bill of Materials

Table 5-1 Bill of Materials
DESIGNATOR COMMENT DESCRIPTION MANUFACTURER PART NUMBER QTY
C1 CB CAP, CERM, 0.1 μF, 25 V, ±20%, X7R, 0402 TDK C1005X7R1E104M050BB 1
C2 CBulk CAP, AL, 47 μF, 80 V, ±20%, 1.3 Ω, AEC-Q200, SMD Panasonic EEE-FN1K470UP 1
C3 CD CAP, CERM, 1 μF, 100 V, ±10%, X7R, 1206 TDK C3216X7R2A105K160AA 0
C4 CF2 CAP, CERM, 2.2 μF, 100 V, ±10%, X7S, AEC-Q200 Grade 1, 1206 TDK CGA5L3X7S2A225K160AB 1
C5, C6 CF3, CF4 CAP, CERM, 0.1 μF, 100 V, ±10%, X7R, AEC-Q200 Grade 1, 0805 TDK CGA4J2X7R2A104K125AA 2
C7 CIN CAP, CERM, 4.7 μF, 50 V, ±10%, X7R, 1206 MuRata GRM31CR71H475KA12L 1
C8 CINHF CAP, CERM, 0.1 μF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 0402 MuRata GCM155R71H104KE02D 1
C9 CF1 CAP, CERM, 0.1 μF, 100 V, ±10%, X7R, AEC-Q200 Grade 1, 0805 TDK CGA4J2X7R2A104K125AA 0
C10 CVCC CAP, CERM, 1 μF, 16 V, ±10%, X7R, 0603 Wurth Elektronik 885012206052 1
C11, C12 COUT1, COUT2 Chip Multilayer Ceramic Capacitors for General Purpose, 1206, 22 μF, X6S, 22%, 10%, 25 V Murata GRM31CC81E226KE11L 2
C13 COUT3 CAP, CERM, 10 µF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 1206 TDK CGA5L1X7R1H106K160AC 0
C14 CFF CAP, CERM, 22 pF, 50 V, ±5%, C0G/NP0, AEC-Q200 Grade 1, 0402 TDK CGA2B2NP01H220J050BA 0
C15 COUTHF CAP, CERM, 1000 pF, 100 V, ±10%, X7R, 0603 MuRata GRM188R72A102KA01D 1
FB1 FB1 Ferrite Bead, 600 Ω at 100 MHz, 3 A, 1210 Taiyo Yuden FBMH3225HM601NT 1
FID1, FID2, FID3, FID4, FID5, FID6 Fiducial Fiducial mark. There is nothing to buy or mount. N/A N/A 0
J1 JEN Header, 100mil, 2x1, Gold, TH Samtec HTSW-102-07-G-S 1
J2, J3 JPGOOD, JMODE/SYNC Header, 100 mil, 3x1, Gold, TH Samtec HTSW-103-07-G-S 2
L1 XAL4030-332MEB Inductor, Shielded, Composite, 3.3 μH, 5.5 A, 0.026 Ω, SMD Coilcraft XAL4030-332MEB 1
LBL1 THT-14-423-10 Thermal Transfer Printable Labels, 0.650" W × 0.200" H - 10,000 per roll Brady THT-14-423-10 1
R1 RENT RES, 100 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 Vishay-Dale CRCW0402100KFKED 1
R2 RD RES, 4.99, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW06034R99FKEA 0
R3 RENB RES, 100 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 Vishay-Dale CRCW0402100KFKED 0
R4, R5, R10 RINJ, RFBT, RJEN RES, 0, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 Vishay-Dale CRCW04020000Z0ED 3
R6 RFBB RES, 24.9 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 Vishay-Dale CRCW040224K9FKED 0
R7 RPGOOD RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW0603100KFKEA 1
R8 RT RES, 6.49 k, 1%, 0.063 W, AEC-Q200 Grade 0, 0402 Vishay-Dale CRCW04026K49FKED 0
R9 RJM RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW06030000Z0EA 1
R11 RFILTJ RES, 0, 1%, 0.5 W, 1206 Keystone 5108 1
SH-J1 SNT-100-BK-G Shunt, 100 mil, Gold plated, Black Samtec SNT-100-BK-G 1
TP1, TP3, TP6, TP8 VIN, VOUT, GND, GND Test Point, Miniature, SMT Keystone 5015 4
TP2, TP4, TP5, TP7, TP9 VIN_EMI, VOUT, GND_EMI, GND, GND Terminal, Turret, TH, Double Keystone 1502-2 5
TP10, TP11, TP12, TP14 PGOOD, SYNC, EN, VCC Test Point, Multipurpose, White, TH Keystone 5012 4
TP13 GND Test Point, Multipurpose, Black, TH Keystone 5011 1
U1 LMR43620MSC3RPERQ1 36-V, 2-A Buck Converter with 1.5-µA IQ in 2-mm × 2-mm HotRod QFN Texas Instruments LMR43620MSC3RPERQ1 1