Datasheet

TPS54290, TPS54291, TPS54292
SLUS973 –OCTOBER 2009 www.ti.com
Table 2. Design Example List of Materials
REFERENCE
QTY VALUE DESCRIPTION SIZE PART NUMBER MFR
DESIGNATOR
C12 1 4.7 µF Capacitor, Ceramic, 10 V, X5R, 20% 0805 Std Std
C2, C14 2 22 µF Capacitor, Ceramic, 6.3 V, X5R, 20% 1206 C3216X5R0J226M TDK
C3, C13 2 470 pF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Std
C4, C11 2 0.047 µF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Std
C3225X5R1E106
C5, C10 2 10 µF Capacitor, Ceramic, 25 V, X5R, 20% 1210 TDK
M
C6 2 1.8 nF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Std
C7 1 15 pF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Std
C8 1 47 pF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Std
C9 1 1.2 nF Capacitor, Ceramic, 25 V, X7R, 20% 0603 Std Std
0.402 x
L1 1 8.2 µH Inductor, SMT, 4.38 A, 20 mΩ MSS1048-822L Coilcraft
0.394 inch
0.402 x
L2 1 3.3 µH Inductor, SMT, 5.04 A, 10 mΩ MSS1048-332L Coilcraft
0.394 inch
R10 1 40.2 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
R2, R11 2 10 Ω Resistor, Chip, 1/16W, 5% 0603 Std Std
R3, R12 2 20.5 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
R4 1 6.49 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
R6 1 7.87 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
R7 1 4.64 kΩ Resistor, Chip, 1/16W, 1% 0603 Std Std
2.5 A/1.5 A, Dual Output Fully Synchronous Buck
U1 1 CSP TPS54291PWP TI
600 Hz Converter w/Integrated FET
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