Datasheet

LM5642, LM5642X
SNVS219K –JUNE 2003–REVISED APRIL 2013 www.ti.com
Table 4. Bill Of Materials Based on Figure 3 V
in
= 9-16V, V
O1,2
=3.3V,5V, 5A LM5642X
ID Part Number Type Size Parameters Qty Vendor
U1 LM5642X Dual TSSOP-28 1 TI
Synchronous
Controller
Q1, Q4 Si4850EY N-MOSFET SO-8 60V 2 Vishay
Q2, Q5 Si4840DY N-MOSFET SO-8 40V 2 Vishay
D3 BA54A Schottky Diode SOT-23 30V 1 Vishay
L1, L2 RLF12545T-5R6N6R1 Inductor 12.5x12.5x 4.5mm 5.6µH, 9mΩ 6.1A 2 TDK
C1 C3216X7R1H105K Capacitor 1206 1µF, 50V 1 TDK
C3, C4, C14, VJ1206Y101KXXAT Capacitor 1206 100pF, 25V 4 Vishay
C15
C27 C2012X5R1C105K Capacitor 0805 1µF, 16V 1 TDK
C6, C28 C5750X7R1H106M Capacitor 2220 10µF 50V, 2.8A 2 TDK
C9, C23 C4532X7R0J107M Capacitor 1812 100µF, 6.3V, 1mΩ 2 TDK
C2, C11, C12, VJ1206Y103KXXAT Capacitor 1206 10nF, 25V 4 Vishay
C13
C7, C25, C34 VJ1206Y104KXXAT Capacitor 1206 100nF, 25V 3 Vishay
C18, C20 VJ1206Y393KXXAT Capacitor 1206 39nF 10% 2 Vishay
C26 C3216X7R1C475K Capacitor 1206 4.7µF 25V 1 TDK
R1, R13 CRCW12061912F Resistor 1206 19.1kΩ 1% 2 Vishay
R2, R6, R14, CRCW1206100J Resistor 1206 100Ω 5% 1 Vishay
R16
R7, R15 WSL-1206 .020 1% Resistor 1206 20mΩ 1W 2 Vishay
R8, R9, R12, CRCW1206000Z Resistor 1206 0Ω 8 Vishay
R17, R18, R21,
R31, R32
R10, R19 CRCW12061002F Resistor 1206 10kΩ 1% 2 Vishay
R11 CRCW12066191F Resistor 1206 6.19kΩ 1% 1 Vishay
R20 CRCW12063321F Resistor 1206 3.32kΩ 1% 1 Vishay
R22, R24 CRCW12063831F Resistor 1206 3.83kΩ 1% 2 Vishay
R27 CRCW12064R7J Resistor 1206 4.7Ω 5% 1 Vishay
R28 CRCW1206224J Resistor 1206 220kΩ 5% 1 Vishay
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