SNVA088B May   2004  – January 2022 LM2727 , LM2737 , LM2742

 

  1.   Trademarks
  2. 1Specifications of the Board
  3. 2MOSFET Footprints
  4. 3Low-Side Diode
  5. 4Additional Footprints
  6. 5Use with Other ICs
  7. 6Schematic
  8. 7Bill of Materials
  9. 8PCB Layout
  10. 9Revision History

Bill of Materials

ID Part Number Type Size Parameters Qty Vendor
U1 LM2742 Synchronous Controller TSSOP-14 1 Texas Instruments
Q4 Si4828DY Dual Asymmetric N-MOSFET SO-8 30 V
30-mΩ Top
18-mΩ Bottom
1 Vishay
Db MBR0520 Schottky Diode SOD-123 20 V 1 ON
L1 RLF7030T-2R2M5R4 Inductor 7.3 x 6.8 x 3.2mm 2.2 µH, 5.4 A, 12 mΩ 1 TDK
Cin1 C3225X5R1E106M Capacitor 1210 10 µF, 25 V, 3.3 Arms 1 TDK
Cinx,Cf C3216X7R1E105K Capacitor 1206 1 µF, 25 V 2 TDK
Co1,Co2 C3216X5R106M Capacitor 1206 10 µF, 6.3 V, 3 Arms 2 TDK
Css VJ1206X123KXX Capacitor 1206 12 nF, 25 V 1 Vishay
Cc1 VJ1206A221KXX Capacitor 1206 220 pF, 10% 1 Vishay
Cc2 VJ1206X562KXX Capacitor 1206 5.6 nF, 10% 1 Vishay
Cc3 VJ1206X122KXX Capacitor 1206 1.2 nF, 10% 1 Vishay
Rf CRCW1206100J Resistor 1206 10 Ω, 5% 1 Vishay
Rfrq CRCW12064992F Resistor 1206 49.9 kΩ, 1% 1 Vishay
Rc1, Rcl CRCW12062431F Resistor 1206 2.43 kΩ, 1% 1 Vishay
Rc2, J1 CRCW1206000Z Resistor 1206 0 Ω 1 Vishay
Rfb1,Rfb2 CRCW12064871F Resistor 1206 10 kΩ, 1% 2 Vishay