Datasheet
7 List of Materials
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List of Materials
List of materials for the TPS51123-EVM.
Table 4. TPS51123 List of Materials
RERERENCE
QTY DESCRIPTION SIZE MFR PART NUMBER
DESIGNATOR
C13, C23 2 Capacitor, Ceramic, 0.1 µ F, 50 V, X5R, 10% 0603 muRata GRM188B31H104K
C10, C21 0 Capacitor 7.3 × 4.3 mm Any Any
C11, C22 2 Capacitor, POS, 330 µ F, 6.3 V, 25 m Ω , 20% 7.3 × 4.3 mm SANYO 6TPE330ML
C12, C20 0 Capacitor 0805 Any Any
C15 1 Capacitor, Ceramic, 10 µ F, 6.3 V, X5R, 10% 0805 TDK C2012X5R0J106K
C17 1 Capacitor, Ceramic, 33 µ F, 6.3 V, X5R, 20% 1206 TDK C3216JB0J336M
C19 1 Capacitor, Ceramic, 220 nF, 16 V, X5R, 10% 0603 muRata GRM188B31C224K
C26 0 Capacitor 0603 Any Any
C5 0 Capacitor 0805 Any Any
Taiyo
C6, C7, C24, C25 4 Capacitor, Ceramic, 10 µ F, 25 V, BJ, M 1210 TMK325BJ106MM
Yuden
C1, C2, C3, C4,
C8, C9, C14, C16, 0 Capacitor 0603 Any Any
C18
CN1, CN2 2 Adaptor, 3.5-mm probe clip ( or 131-5031-00) 0.2 Tektronix 131-4244-00
D1 0 Diode SOT363 Any Any
D2, D5 0 Diode, Schottky, 0.5 A, 30 V SOD-123 Any Any
RSX501LA-20 OR
D3, D4 2 Diode, Schottky, 3 A, 20 V SMA Rohm
RSX510L-20
JP1 1 Header, 2 × 4-pin, 100 mil spacing (36-pin strip) 0.20 × 0.40 inch Sullins PTC36DAAN
JP2 1 Header, 2 × 3-pin, 10 mil spacing (36-pin strip) 0.20 × 0.30 inch Sullins PTC36DAAN
Inductor, high-current, 3.3 µ H, 14 A, 7.3 m Ω , 0.425 × 0.45
L1, L2 2 Toko FDA1055-3R3M
SMT inch
Q1, Q3 2 MOSFET, N-channel, 30 V, 11 A, 9.1 m Ω SO8 IR IRF7821
Q2, Q4 2 MOSFET, N-channe,l 30 V, 11 A, 12.5 m Ω SO8 Fairchild FDS6690AS
R3, R10, R13, R15 4 Resistor, Chip, 0 Ω , 1/16 W, 1% 0603 Std Std
R12 1 Resistor, Chip, 620 k Ω , 1/16W, 1% Any Std Std
R11 1 Resistor, Chip, 13 k Ω , 1/16W, 1% 0603 Any Any
R5 1 Resistor, Chip, 30 k Ω , 1/16W, 1% 0603 Std Std
R2 1 Resistor, Chip, 100 k Ω , 1/16W, 1% 0603 Std Std
R6, R8 2 Resistor, Chip, 130 k Ω , 1/16W, 1% 0603 Std Std
R7, R9 2 Resistor, Chip, 20 k Ω , 1/16W, 1% 0603 Std Std
R1 1 Resistor, Chip, 10 k Ω , 1/16W, 1% 0603 Std Std
R4, R14 2 Resistor, Chip, 5.1 Ω , 1/16W, 1% 0603 Std Std
0.20 in. × 0.20
S1 1 Header, 2-pin, 100 mil spacing, (36-pin strip) Sullins PTC36SAAN
in.
0.28 in. × 0.18
SW1, SW2 0 Switch Any Any
on.
0.28 in. × 0.18
SW3, SW4 2 Switch, ON-ON mini toggle Nikkai G-12AP
on.
0.125 in. ×
TP1 0 Test Point Any Any
0.125 in.
TP2, TP3, TP4, 0.125 in. ×
6 Test point, yellow, through-hole Keystone 5014
TP5, TP6, TP7 0.125 in.
Dual Synchronous Step-Down ControllerWith
U1 1 QFN-24 TI TPS51123RGE
OOA Operation and 100-mA LDO
SLUU340 – FEBRUARY 2009 High Performance Synchronous Buck EVM Using the TPS51123 11
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