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PRODUCT SPECIFICATION
RC5035
5
A
Application Information
Figure 1: P54C/P55C Single/Dual Output Application Schematic
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
RC5035
+5V
VREF
+12V
GND
C38
100nF
C25
C1
22uF
100nF
C53
100nF
Cext
120pF
R21
5m
W
R45
2K
M3
2SK1388
VOL
VOSW
C8
1500uF
R2
11.3K
C9
10nF
R3
10K
M1
2SK1388
DS2
DS1
MBRB1545CT
L1
4.7uH
R1
6m
W
C10
3 x 1500uF
R5
22K
R4
18.8K
R49
390
R6
22K
R7
53K
CPU SELECT
0 = P55C
1 = P54C
P54C = No Output
P55C = 3.3V @ 3A
P54C = 3.5V @ 8.6A
P55C = 2.8V @ 5A
L2
2.6uH
C5
2 x 1200uF
C55
1uF
DS2
1N5817
Table 1. RC5035 P54C/P55C Application Bill of Materials
Ref
1
2
1
1
3
3
1
3
1
1
1
1
1
1
2
1
1
1
Quantity
L1
M1, M3
DS1
DS2
C1, C38, C53
C5, C8
C9
C10
C25
C55
Cext
R1
R2
R3
R4, R4S
R5
R21
L2
Part No.
4.7
m
F
2SK1388
MBRB1545CT
1N5817
100nF
6MV1500GX
10nF
6MV1500GX
22
m
F
1
m
F
120pF
0.006
22K
18.33K
33K
22K
0.005K
2.6
m
H
Manufacturer
Inductor
N-Channel Power MOSFET
Schottky-Motorola, 10A
Schottky-General Instruments
Chip Cap
Sanyo 1500
m
F Electrolytic, ESR=44m
W
Chip Cap
Sanyo 1500
m
F Electrolytic, ESR=44m
W
Tantalum Cap
Tantalum Cap
Chip Cap
MnCu Jumper
1% Resistor
1% Resistor
0.1% Resistor
0.1% Resistor
MnCu Jumper
Inductor