Datasheet
SLUU182 − March 2004
21
High-Performance Dual Synchronous Buck Conversion Using the TPS5124
8 List of Materials
Table 2. List of Materials
REFERENCE
DESIGNATOR
QTY DESCRIPTION SIZE MFR PART NUMBER
C1,C2, C3 3 Capacitor, ceramic, 2.2 µF, 50 V, X7R, 10% 1210 Std Std
C12, C22 2 Capacitor, ceramic, 5600 pF, 50 V, X7R, 10% 805 Std Std
C13 1 Capacitor, ceramic, 10 µF, 10 V, X5R, 10% 1210 Murata GRM32ER61A106KC01L
C14, C20 2 Capacitor, ceramic, 0.027 µF, 50−V, X7R, 10% 805 Std Std
C7, C15, C18,
C19, C32,
5 Capacitor, ceramic, 0.01 µF, 50−V, X7R, 10% 805 Std Std
C16 1 Capacitor, ceramic, 47 pF, 50−V, COG, 5% 805 Std Std
C21, C23 2 Capacitor, ceramic, 1000 pF, 50−V, COG, 5% 805 Std Std
C24, C25, C26,
C27, C28, C29,
C30, C31
8 Capacitor, ceramic, 100 µF, 6.3−V, X5R 1210 TDK C3225X5R0J107M
C4, C5 2 Capacitor, special polymer, 150 µF, 20, 20% 10.3 mm (F12) Panasonic EEFWA1D151P
C6,C8, C9, C10,
C11, C17
6 Capacitor, ceramic, 0.1 µF, 50−V, X7R, 10% 805 Std Std
J1, J2, J3 3 Terminal block, 2-pin, 15 A, 5.1 mm 0.40 x 0.35 OST ED1609
JP1, JP2 2 Header, 3-pin, 100 mil spacing, (36-pin strip) 0.100 x 3 Sullins PTC36SAAN
L1, L2 2 Inductor, SMT, 2.2 µH, 20 A, 4.6 mΩ 0.51 x 0.51
Vishay−
Siliconix
IHLP5050EZ−01
Q1, Q3 2 MOSFET, N-channel, 30 V, 18 A, 8.0 mΩ PWRPAK S0−8
Vishay−
Siliconix
Si7860DP
Q2, Q4 2 MOSFET, N-channel, 30 V, 29 A, 3 mΩ, PWRPAK S0−8
Vishay−
Siliconix
Si7880DP
R1, R11 2 Resistor, chip, 10.0 kΩ, 1/10−W, 1% 805 Std Std
R10 1 Resistor, chip, 68.1 Ω, 1/10−W, 1% 805 Std Std
R5 1 Resistor, chip, 10.0 Ω, 1/10−W, 1% 805 Std Std
R12, R15 2 Resistor, chip, 1.5 Ω, 1/10−W, 1% 805 Std Std
R13 1 Resistor, chip, 20.0 kΩ, 1/10−W, 1% 805 Std Std
R14 1 Resistor, chip, 14.0 kΩ, 1/10−W, 1% 805 Std Std
R16, R7 2 Resistor, chip, 49.9 Ω, 1/10−W, 1% 805 Std Std
R2 1 Resistor, chip, 14 Ω, 1/10−W, 1% 805 Std Std
R3 1 Resistor, chip, 3.48 kΩ, 1/10−W, 1% 805 Std Std
R4, R8 2 Resistor, chip, 1.10 kΩ, 1/10−W, 1% 805 Std Std
R6 1 Resistor, chip, 100 kΩ, 1/10−W, 1% 805 Std Std
R9 1 Resistor, chip, 13.0 kΩ, 1/10−W, 1% 805 Std Std
TP1, TP2, TP3,
TP4, TP5, TP6,
TP7, TP8, TP9,
TP10
10 Test point, 0.062 hole 0.25 Keystone 5012
TP11, TP12 2 Adaptor, 3.5 mm probe clip ( or 131−5031−00) 0.2 Tektronix 131−4244−00
U1 1
IC, dual-channel synchronous step-down PWM
controller
DBT30 TI TPS5124DBT
1 PCB, 4 In x 3.2 In x .062 In Any HPA053