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PRODUCT SPECIFICATION
RC5056
5
P
Figure 1. Pentium II DC-DC Converter
Table 1. Bill of Materials for Figure 1
Item
C0
C1
C3
R1
R2
L1
L2
D1
D2
Q1, Q2
Q3
Quantity
6
5
2
1
2
1
1
1
1
2
1
Manufacturer
Sanyo
Sanyo
Sanyo
Generic
Generic
Micrometals
Micrometals
Generic
Motorola
Fairchild Semiconductor
Fairchild Semiconductor
Part Number
MV-GX
MV-GX
10MV1200GX
Description
1000
μ
F 6.3 WVDC
330
μ
F 25 WVDC
1200
μ
F 10 WVDC
182
1%
1K 1%
5 Turns of 18 AWG Copper Wire
5 Turns of 16 AWG Copper Wire
Diode
Schottky Diode
Power MOSFET
MOSFET R
DS(ON)
= 1
Core: T50-52
Core: T50-52B
1N4148
MBR340
NDB7030L
NDB4050
+12V
+V
O
PGND
RC5055
VSEN
FB
VID0
VID1
VID2
VID3
VID4
OVP/RT
19
SS
PGOOD
D/A
MONITOR
AND
PROTECTION
OSC
VCC
L1 - 1
μ
H
C1
L2
3
μ
H
C
O
0.1
μ
F
0.2
μ
F
20K
15
0.1
μ
F
2.2
μ
F
R1
182
R2
1K
C3
FB1
1.33K COMP
3.3V
Q3
Gate 1
+1.5V
VREF
2x 1
μ
F
0.1
μ
F
5x 330
μ
F
6x 1000
μ
F
LGATE
UGATE
OCSET
PHASE
Q1
Q2
2N6394
1K
1000pF
D2
F1
2K
V
IN
= +5V
20
1
2
5
6
7
8
9
11
10
3
4
GNDA
12
13
14
15
18
17
16
+
-
+
-
+
-
65-5056-03