SNVU809 February   2022 LMQ66430 , LMQ66430-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 LMQ66430-2EVM 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

5 Bill of Materials

Table 5-1 Bill of Materials
Designator Description Manufacturer Part number QTY
CBULK 47-µF 50-V Aluminum Electrolytic Capacitors Radial, Can - SMD 1500 hours at 125°C Vishay BC Components MAL214699101E3 1
CD CAP, CERM, 1 µF, 50 V,±20%, X5R, AEC-Q200 Grade 3, 0603 MuRata GRT188R61H105ME13D 0
CF1, CF3, CF4 CAP, CERM, 0.1 μF, 50 V, ±10%, X7R, 0805 TDK C2012X7R1H104K085AA 0
CF2 CAP, CERM, 2.2 μF, 50 V, ±10%, X5R, 0805 TDK C2012X5R1H225K125AB 1
CFF CAP, CERM, 10 pF, 10 V,±2.5%, C0G/NP0, 0402 Kemet C0402C100C8GACTU 1
CIN1, CIN2 CAP, CERM, 10 μF, 50 V, ±10%, X7R, AEC-Q200 Grade 1, 1210 Taiyo Yuden UMJ325KB7106KMHT 2
COUT1, COUT2 Ceramic Capacitor for Automotive 22-μF ±10% 10VDC X7R 1210 Embossed T/R MuRata GCM32ER71A226KE12L 2
COUT3 Ceramic Capacitor for Automotive 22-μF ±10% 10VDC X7R 1210 Embossed T/R MuRata GCM32ER71A226KE12L 0
COUTHF CAP, CERM, 0.1 μF, 10 V, ±10%, X7R, 0603 AVX 0603ZC104KAT2A 1
CVcc CAP, CERM, 1 μF, 35 V, ±10%, X5R, 0402 MuRata GRM155R6YA105KE11D 1
FB1 1 kΩ at 100-MHz 1 Power Line Ferrite Bead 1210 (3225 Metric) 2 A 100 mΩ Taiyo Yuden FBMH3225HM102NT 1
FID1, FID2, FID3 Fiducial mark. There is nothing to buy or mount. N/A N/A 3
H1, H2, H3, H4 Machine Screw, Round, #4-40 × 1/4, Nylon, Philips panhead B&F Fastener Supply NY PMS 440 0025 PH 4
H5, H6, H7, H8 Standoff, Hex, 0.5"L #4-40 Nylon Keystone 1902C 4
J1, J2, J3 Header, 100mil, 3 × 1, Tin, TH Sullins Connector Solutions PEC03SAAN 3
L1 Inductor, Shielded, 3.3 μH, 5 A, 0.0286 Ω, SMD Coilcraft XEL4030-332MEB 1
LBL1 Thermal Transfer Printable Labels, 0.650" W × 0.200" H - 10,000 per roll Brady THT-14-423-10 1
RENT RES, 100 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0402 Panasonic ERJ-2GEJ104X 1
RFBT, RINJ, RMOD RES, 0, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 KOA Speer RK73Z1ETTP 3
RFILT RES, 0, 1%, 0.5 W, 1206 Keystone 5108 1
RPG RES, 100 k, 1%, 0.0625 W, AEC-Q200 Grade 0, 0402 Yageo America AC0402FR-07100KL 1
SH-J1 Shunt, 100 mil, Gold plated, Black Samtec SNT-100-BK-G 1
TP1, TP5, TP6, TP8 Test Point, Miniature, SMT Keystone 5015 4
TP2, TP4, TP12 Test Point, Multipurpose, Purple, TH Keystone 5129 3
TP3 Test Point, Multipurpose, Black, TH Keystone 5011 1
TP7, TP9, TP10, TP11 Terminal, Turret, TH, Double Keystone 1502-2 4
U1 3-V to 36-V, 3-A Synchronous Buck Converter Optimized for Ultra Low EMI and Light Load Efficiency Texas Instruments LMQ66430MC3RXBRQ1 1