TABLE 5. Bill of Materials for Circuit of
Figure 5
(Continued)
Part Number
Type
VJ1206A4R7KXX
Capacitor
VJ1206A681KXX
Capacitor
CRCW1206100J
Resistor
CRCW12064992F
Resistor
CRCW12061473F
Resistor
CRCW12061492F
Resistor
CRCW12064991F
Resistor
CRCW1206332J
Resistor
ID
Cc1
Cc2
Rin
Rfadj
Rc1
Rfb1
Rfb2
Rcs
Size
1206
1206
1206
1206
1206
1206
1206
1206
Parameters
4.7pF 10%
680pF 10%
10
5%
49.9k
1%
147k
1%
14.9k
1%
4.99k
1%
3.3k
5%
Qty.
1
1
1
1
1
1
1
1
Vendor
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
TABLE 6. Bill of Materials for Circuit of
Figure 6
ID
U1
Part Number
LM2727
Type
Size
Parameters
Qty.
1
Vendor
NSC
Synchronous
Controller
Assymetric Dual
N-MOSFET
Schottky Diode
Inductor
Inductor
MLCC
MLCC
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
TSSOP-14
Q1/Q2
Si4826DY
SO-8
30V, 24m
/ 8nC
Top 16.5m
/ 15nC
30V
1μH, 6.4A, 7.3m
3.3μH, 4.1A, 17.4m
15μF 25V 3.3Arms
15μF 25V 3.3Arms
0.1μF, 25V
2.2μF, 25V
39nF, 25V
22pF 10%
680pF 10%
680pF 10%
10
5%
17.4k
1%
10.7k
1%
66.5
1%
4.99k
1%
10k
1%
1.5k
5%
1
Vishay
D1
Lin
L1
Cin1
Co1
Cboot
Cin
Css
Cc1
Cc2
Cc3
Rin
Rfadj
Rc1
Rc2
Rfb1
Rfb2
Rcs
BAT-54
SOT-23
6.8x7.1x3.2mm
6.8x7.1x3.2mm
1812
1812
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Vishay
TDK
TDK
Sanyo
Sanyo
TDK
TDK
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
RLF7030T-1R0N64
RLF7030T-3R3M4R1
C4532X5R1E156M
C4532X5R1E156M
VJ1206X104XXA
C3216X7R1E225K
VJ1206X393KXX
VJ1206A220KXX
VJ1206A681KXX
VJ1206A681KXX
CRCW1206100J
CRCW12061742F
CRCW12061072F
CRCW120666R5F
CRCW12064991F
CRCW12061002F
CRCW1206152J
TABLE 7. Bill of Materials for 3.3V Circuit of
Figure 6
(Identical to BOM for 1.8V except as noted below)
ID
L1
Cc1
Cc2
Cc3
Rc1
Rc2
Rfb1
Rfb2
Part Number
RLF7030T-4R7M3R4
VJ1206A270KXX
VJ1206X102KXX
VJ1206A821KXX
CRCW12061212F
CRCW12054R9F
CRCW12062211F
CRCW12061002F
Type
Size
Parameters
4.7μH, 3.4A, 26m
27pF 10%
1nF 10%
820pF 10%
12.1k
1%
54.9
1%
2.21k
1%
10k
1%
Qty.
1
1
1
1
1
1
1
1
Vendor
TDK
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Inductor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
6.8x7.1x 3.2mm
1206
1206
1206
1206
1206
1206
1206
TABLE 8. Bill of Materials for Circuit of
Figure 7
ID
U1
Part Number
LM2727
Type
Size
Parameters
Qty.
1
Vendor
NSC
Synchronous
Controller
TSSOP-14
L
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