Datasheet

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9 List of Materials
Table 6. EVM Components List According to Schematic Shown in Figure 1
QTY REFDES DESCRIPTION MFR PART NUMBER
4 C1, C2, C4, C5 Capacitor, ceramic, 10 μF, 25 V, X7R, ±10%, 1210 muRata GRM32DR71E106K
2 C10, C11 Capacitor, POS-CAP, 330 μF, 6.3 V, 18 mΩ, 20% SANYO 6TPE330MIL
2 C14, C15 Capacitor, POS-CAP, 470 μF, 4.0 V, 15 mΩ, 20% SANYO 4TPE470MFL
3 C16, C17, C21 Capacitor, ceramic, 0.01 μF, 50 V, X7R, ±10%, 0603 Std Std
4 C20, C23, C26, C27 Capacitor, ceramic, 100 pF, 50 V, C0G, ±5%, 0603 Std Std
1 C22 Capacitor, ceramic, 2.2 μF, 6.3 V, X5R, ±10%, 0603 Std Std
1 C28 Capacitor, ceramic, 47 pF, 50 V, C0G, ±5%. 0603 Std Std
C3, C6, C18, C19,
6 Capacitor, ceramic, 0.1 μF, 50 V, X7R, ±10%, 0603 Std Std
C24, C25
1 C8 Capacitor, ceramic, 0.22 μF, 25 V, X7R, ±10%, 0603 Std Std
1 C9 Capacitor, ceramic, 10 μF, 6.3 V, X5R, ±10%, 0805 TDK C2012X5R0J106K
2 D1, D2 Diode, Schottky, 40 V, 30 mA, SOD-323 Rohm RB751x-40
2 L1, L2 Inductor, 3.3-µH, 12 A Vishay IHLP5050CEER3R3
2 Q1, Q2 MOSFET, N-ch, 30 V, 14 A, 9.7 mΩ TI CSD17307Q5A
2 Q3, Q4 MOSFET, N-ch, 30 V, 21 A, 4.5 mΩ TI CSD17310Q5A
R1, R2, R9, R12,
11 R13, R14, R16, R17, Resistor, chip, 0 Ω, 1/16 W, ±5%, 0603 Std Std
R23, R34, R37
1 R20 Resistor, chip, 300 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R21 Resistor, chip, 8.20 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R22 Resistor, chip, 7.50 kΩ, 1/16 W, ±1%, 0603 Std Std
2 R24, R25 Resistor, chip, 5.60 kΩ, 1/16 W, ±1%, 0603 Std Std
2 R26, R29 Resistor, chip, 51.1 Ω, 1/16 W, ±1%, 0603 Std Std
1 R27 Resistor, chip, 120 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R28 Resistor, chip, 62.0 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R30 Resistor, chip, 30.0 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R31 Resistor, chip, 27.0 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R38 Resistor, chip, 15.0 kΩ, 1/16 W, ±1%, 0603 Std Std
1 R39 Resistor, chip, 12.0 kΩ, 1/16 W, ±1%, 0603 Std Std
2 R5, R6 Resistor, chip, 15.4 Ω, 1/16 W, ±1%, 0603 Std Std
2 R7, R15 Resistor, chip, 470 kΩ, 1/16 W, ±1%, 0603 Std Std
1 U1 Fixed frequency 99% duty cycle, dual buck controller TI TPS51220ARTV
21
SLUU381A–September 2009–Revised May 2011 High Performance Dual Output Synchronous Buck EVM
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