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R3
V (CH1) =
out
(R5 + R2 + R3)
x V (= 1 V)
ref
(1)
When V
out
(CH1) is set above 5 V, V5SW input resistor (R22) must be open.
R24
V (CH2) =
out
(R21 + R23 + R24)
x V (= 1 V)
ref
(2)
6 Bill of Materials
Table 6-1. Bill of Materials
Reference Qty Description Size Mfr Part Number
C1, C14, C26 3 Capacitor, Ceramic, 10 nF, 50V, X7R, 20% 0603 Std Std
C2, C3 2 Capacitor, SPCAP, 150 μF, 6.3-V, 15-mΩ,
20% 7343 Panasonic EEFCX0J151R
C4, C5, C6, C21,
C22, C23 6 Capacitor, Ceramic, 0.1 μF, 50V, X7R, 20% 0603 TDK C1608X7R1H104K
C7, C16, C20, C27 4 Capacitor, Ceramic, 100 pF, 50V, CH, 5% 0603 TDK C1608CH1H101J
C8, C33 0 Capacitor, Ceramic, 10 μF, 25V, X7R, 20% 1210 – –
C9, C18, C19, C32 4 Capacitor, Ceramic, 10 μF, 25V, X7R , 20% 1210 Murata GRM32DR71E106KA
C10 1 Capacitor, Ceramic, 2.2F, 6.3V, X7R (or
X5R), 10% 0603 Murata
TDK GRM188R70J225KA
C1608X5R0J225K
C11 0 Capacitor, Ceramic 0603 – –
C12 1 Capacitor, Ceramic, 47pF, 50V, CH, 5% 0603 TDK C1608CH1H470J
C13 1 Capacitor, Ceramic, 0.22F, 50V, X7R, 10% 0630 TDK C1608X7R1E224K
C15 1 Capacitor, Ceramic, 10F, 10V, X7R (or
X5R), 10% 0805 Murata
TDK GRM21BR71A106K
C2012X5R0J106K
C17 0 Capacitor, Ceramic 0603 – –
C24, C29 0 Capacitor 7343 – –
C25, C30 2 Capacitor, SPCAP, 220F, 4-V, 15-mΩ, 20% 7343 Panasonic EEFCX0G221R
C28 0 Capacitor, Ceramic 0603 – –
C31 0 Capacitor, Ceramic 0603 – –
D1, D2 0 Diode 0.1 × 0.049 inch – –
L1 1 Inductor, 4.7μH, 10.2A, 12.9-mΩ 0.4 × 0.4 inch TOKO FDV1040-4R7M
L2 1 Inductor, 3.3μH, 10.7A, 10.5-mΩ 0.4 × 0.4 inch TOKO FDV1040-3R3M
Q1, Q3 2 MOSFET, N-ch, 30-V, 14-A, 9.7-mΩ SO8 TI CSD17307Q5A
Q2, Q4 2 MOSFET, N-ch, 30-V, 21-A, 4.5-mΩ SO8 TI CSD17310Q5A
R1, R4, R9, R17,
R22, R34, R35,R36,
R37 9 Resistor, Chip, 0Ω, 1/10W, 1% 0603 Std Std
R2 1 Resistor, Chip, 120kΩ, 1/10W, 1% 0603 Std Std
R3 1 Resistor, Chip, 30kΩ, 1/10W, 1% 0603 Std Std
R5, R23 2 Resistor, Chip 49.9 or 51Ω, 1/10W, 1% 0603 Std Std
R6 0 Resistor, Chip, mΩ, 1 W, 1% 3712 Std Std
R7, R25 0 Resistor, Chip 0603 Std Std
R8 1 Resistor, Chip, 7.5kΩ, 1/10W, 1% 0603 Std Std
R10 0 Resistor, Chip 0603 Std Std
R11, R14 2 Resistor, Chip, 470kΩ, 1/10W, 1% 0603 Std Std
R12, R13 2 Resistor, Chip, 10kΩ, 1/10W, 1% 0603 Std Std
R15 1 Resistor, Chip, 360kΩ, 1/10W, 1% 0603 Std Std
R16 0 Resistor, Chip 0603 Std Std
R18, R28 2 Resistor, Chip, 5.6kΩ, 1/10W, 1% 0603 Std Std
R19, R26 0 Resistor, Chip 0603 Std Std
www.ti.com Bill of Materials
SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022
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