AND8079 Datasheet, PDF (16/20 Pages) ON Semiconductor – A Low Cost DDR Memory Power Supply Using the NCP1571 Synchronous Buck Converter and a LM358 Based Linear Voltage Regulator

AND8079/D
Table 2. Demonstration Board Bill of Materials
Item Quantity Reference
Part
Part No.
1
4
C1, C2, C3,
1800 mF, 10 V
MBZ Series
C5
2
7
C7, C8, C10, 1800 mF, 6.3 V
MBZ Series
C11, C20,
C21, C23
3
7
C4, C9, C12,
0.1 mF
-
C14, C16,
C17, C22
4
1
C6
100 pF
-
5
1
C18
0.15 mF
-
6
1
C13
0.01 mF
-
7
1
C15
1.0 mF
-
8
1
C19
2.0 mF
-
9
1
L1
1.0 mH
DO3316P-102HC
10
1
L2
2.2 mH
DO5022P-222HC
11
3
Q1, Q2, Q3
N-Channel
Mosfet
MTB1306
12
1
Q4
N-Channel
Mosfet
NTD4302
13
1
Q5
P-Channel
Mosfet
MTD20P03HDL
14
1
R1
10 ohm
-
15
1
R2
47 Kohm
-
16
1
R3
20 Kohm
-
17
1
R4
13 Kohm
-
18
2
R5, R6
10 Kohm
-
19
1
R7
1.0 Kohm
-
20
1
R8
200 ohm
-
21
1
R9
100 ohm
-
22
1
U1
Sync. Buck
Controller
NCP1571
23
1
U2
Op-Amp
LM358DMR2
Package
see data sheet
see data sheet
SMT 1206
SMT O805
SMT 1206
SMT O805
SMT O805
SMT O805
see data sheet
see data sheet
D2PAK
DPAK Bent
Lead
DPAK Bent
Lead
SMT O805
SMT O805
SMT O805
SMT O805
SMT O805
SMT O805
SMT O805
SMT O805
SO-8
Micro-8
24
1
U3
LDO
Regulator
MC33375ST-2.5T3
SOT-223
25
1
D1
Schottky
Diode
MBRM110LT
PowerMite
NOTE: The provisional components were not used in the verification of the reference design.
Acknowledgement
The author would like to acknowledge Tod Schiff’s
assistance in designing the linear V_dd circuit.
Mfg.
Rubycon
Rubycon
-
-
-
-
-
-
Coilcraft
Coilcraft
ON
Semiconductor
ON
Semiconductor
ON
Semiconductor
-
-
-
-
-
-
-
-
ON
Semiconductor
ON
Semiconductor
ON
Semiconductor
ON
Semiconductor
Comments
C5 is provisional
C7, C20 and C21
are provisional
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
U3 is provisional
D1 is provisional
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