Datasheet

LM2727, LM2737
SNVS205D –AUGUST 2002–REVISED MARCH 2013 www.ti.com
Table 5. Bill of Materials for Circuit of Figure 28 (continued)
ID Part Number Type Size Parameters Qty. Vendor
Cc2 VJ1206A681KXX Capacitor 1206 680pF 10% 1 Vishay
Rin CRCW1206100J Resistor 1206 10Ω 5% 1 Vishay
Rfadj CRCW12064992F Resistor 1206 49.9kΩ 1% 1 Vishay
Rc1 CRCW12061473F Resistor 1206 147kΩ 1% 1 Vishay
Rfb1 CRCW12061492F Resistor 1206 14.9kΩ 1% 1 Vishay
Rfb2 CRCW12064991F Resistor 1206 4.99kΩ 1% 1 Vishay
Rcs CRCW1206332J Resistor 1206 3.3kΩ 5% 1 Vishay
Table 6. Bill of Materials for Circuit of Figure 29
ID Part Number Type Size Parameters Qty. Vendor
U1 LM2727 Synchronous TSSOP-14 1 Texas
Controller Instruments
Q1/Q2 Si4826DY Assymetric Dual SO-8 30V, 24mΩ/ 8nC 1 Vishay
N-MOSFET Top 16.5mΩ/ 15nC
D1 BAT-54 Schottky Diode SOT-23 30V 1 Vishay
Lin RLF7030T-1R0N64 Inductor 6.8x7.1x3.2mm 1µH, 6.4A, 7.3mΩ 1 TDK
L1 RLF7030T-3R3M4R1 Inductor 6.8x7.1x3.2mm 3.3µH, 4.1A, 17.4mΩ 1 TDK
Cin1 C4532X5R1E156M MLCC 1812 15µF 25V 3.3Arms 1 Sanyo
Co1 C4532X5R1E156M MLCC 1812 15µF 25V 3.3Arms 1 Sanyo
Cboot VJ1206X104XXA Capacitor 1206 0.1µF, 25V 1 TDK
Cin C3216X7R1E225K Capacitor 1206 2.2µF, 25V 1 TDK
Css VJ1206X393KXX Capacitor 1206 39nF, 25V 1 Vishay
Cc1 VJ1206A220KXX Capacitor 1206 22pF 10% 1 Vishay
Cc2 VJ1206A681KXX Capacitor 1206 680pF 10% 1 Vishay
Cc3 VJ1206A681KXX Capacitor 1206 680pF 10% 1 Vishay
Rin CRCW1206100J Resistor 1206 10Ω 5% 1 Vishay
Rfadj CRCW12061742F Resistor 1206 17.4kΩ 1% 1 Vishay
Rc1 CRCW12061072F Resistor 1206 10.7kΩ 1% 1 Vishay
Rc2 CRCW120666R5F Resistor 1206 66.5Ω 1% 1 Vishay
Rfb1 CRCW12064991F Resistor 1206 4.99kΩ 1% 1 Vishay
Rfb2 CRCW12061002F Resistor 1206 10kΩ 1% 1 Vishay
Rcs CRCW1206152J Resistor 1206 1.5kΩ 5% 1 Vishay
Table 7. Bill of Materials for 3.3V Circuit of Figure 29
(Identical to BOM for 1.8V except as noted below)
ID Part Number Type Size Parameters Qty. Vendor
L1 RLF7030T-4R7M3R4 Inductor 6.8x7.1x 3.2mm 4.7µH, 3.4A, 26mΩ 1 TDK
Cc1 VJ1206A270KXX Capacitor 1206 27pF 10% 1 Vishay
Cc2 VJ1206X102KXX Capacitor 1206 1nF 10% 1 Vishay
Cc3 VJ1206A821KXX Capacitor 1206 820pF 10% 1 Vishay
Rc1 CRCW12061212F Resistor 1206 12.1kΩ 1% 1 Vishay
Rc2 CRCW12054R9F Resistor 1206 54.9Ω 1% 1 Vishay
Rfb1 CRCW12062211F Resistor 1206 2.21kΩ 1% 1 Vishay
Rfb2 CRCW12061002F Resistor 1206 10kΩ 1% 1 Vishay
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