Datasheet

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TPS40322

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SLUSAF8D –JUNE 2011–REVISED JANUARY 2014

Table 5. Design Example 1, Dual-Output List of Materials

REFERENCE QTY DESCRIPTION PART NUMBER MFR

DESIGNATOR

Capacitor, Aluminum, 100 µF, 35 V, ±20%, 0.328 x

C1 1 EEV-FK1V101GP Panasonic - ECG

0.328 inch

C2, C7, C20, C26,

5 Capacitor, Ceramic, 0.1 µF, 50 V, X7R, ±10%, 0603 Std Std

C39

C3, C35 2 Capacitor, Ceramic, 0.1 µF, 25 V, X5R, ±10%, 0402 Std Std

C4, C36 2 Capacitor, Ceramic, 1.0 µF, 25 V, X7R, ±10%, 0603 Std Std

C5, C6, C37, C38 4 Capacitor, Ceramic, 10 µF, 25 V, X5R, ±10%, 0805 Std Std

C8, C25 2 Capacitor, Ceramic, 33 nF, 16 V, X7R, ±10%, 0603 Std Std

Capacitor, Ceramic, 470 pF, 25 V, C0G, NP0, ±5%,

C9, C19, C22, C34 4 Std Std

0603

C10, C27 2 Capacitor, Ceramic, 1.0 µF, 6.3 V, X5R, ±10%, 0402 Std Std

C11, C12, C18, C28,

5 Capacitor, Ceramic, 3.3 µF, 10 V, X5R, ±10%, 0603 C1608X5R1A335K TDK Corporation

C29

C13, C14, C30, C31 4 Capacitor, Ceramic, 10 µF, 6.3 V, X7R, ±10%, 0805 Std Std

Capacitor, Polymer Aluminum, 220 µF, 4 V, ±20%, 5mM

C15, C16, C32, C33 4 EEF-SE0G221ER Panasonic - ECG

ESR

Capacitor, Ceramic, 220 pF, 50 V, C0G, NP0, ±5%,

C17, C23 2 Std Std

0603

C21, C24 2 Capacitor, Ceramic, 10 pF, 50 V, C0G, NP0, ±5%, 0603 Std Std

C40 1 Capacitor, Ceramic, 1.0 nF, 25 V, C0G, NP0, ±5%, 0603 Std Std

Inductor, Power Choke, 1.1 µH, ±20%, 3.15mΩ, 7.0 x

L1, L2 2 744314110 Wurth Elektronik

6.9 mm

MOSFET, Synchronous Buck NexFET Power Block,

Q1, Q2 2 CSD86330Q3D Texas Instruments

QFN-8 POWER

R1 1 Resistor, Chip, 68.1 kΩ, 1/10W, ±1%, 0603 Std Std

R2, R21 2 Resistor, Chip, 86.6 kΩ, 1/10W, ±1%, 0603 Std Std

R3 1 Resistor, Chip, 12.7 kΩ, 1/10W, ±1%, 0603 Std Std

R4, R5, R22 3 Resistor, Chip, 1.00 Ω, 1/10W, ±1%, 0603 Std Std

R6 1 Resistor, Chip, 40.2 kΩ, 1/10W, ±1%, 0603 Std Std

R7, R24 2 Resistor, Chip, 49.9 Ω, 1/10W, ±1%, 0603 Std Std

R8, R17 2 Resistor, Chip, 5.11 Ω, 1/8W, ±1%, 0805 Std Std

R9, R16 2 Resistor, Chip, 0 Ω, 1/10W, ±1%, 0603 Std Std

R10, R14, R19, R27 4 Resistor, Chip, 20.0 kΩ, 1/10W, ±1%, 0603 Std Std

R11, R18 2 Resistor, Chip, 82.5 kΩ, 1/10W, ±1%, 0603 Std Std

R12, R23 2 Resistor, Chip, 1.62 kΩ, 1/10W, ±1%, 0603 Std Std

R13 1 Resistor, Chip, 3.09 kΩ, 1/10W, ±1%, 0603 Std Std

R15 1 Resistor, Chip, 29.4 kΩ, 1/10W, ±1%, 0603 Std Std

R20, R30 2 Resistor, Chip, 5.11 Ω, 1/10W, ±1%, 0603 Std Std

R25 1 Resistor, Chip, 10.0 kΩ, 1/10W, ±1%, 0603 Std Std

R26 1 Resistor, Chip, 3.24 kΩ, 1/10W, ±1%, 0603 Std Std

R28, R29 2 Resistor, Chip, 100 kΩ, 1/10W, ±1%, 0603 Std Std

U1 1 TPS40322 Dual Synchronous Buck Controller, QFN-32 TPS40322RHB Texas Instruments