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Table 1. Bill of Materials for a RC5031 P55C, K6, or M2 Application
Table 2. Switching Regulator Components Selection Table
Qty.
4
Reference
C7, C8,
C9, C10
C13
Manufacturer
Part Order #
Description
Requirements and
Comments
Panasonic ECU-V1H104ZFX
0.1
m
F 50V SMT 0805
capacitors
180pF 50V SMT0805
capacitor
1
m
F 16V SMT 0805 Capacitor
1500
m
F 6.3V electrolitic
capacitor, 10mm x 20mm
1200
m
F 10 B electrolytic
capacitor, 10mm x 20mm
Schottky Diode
4.7
m
H inductor
2 Beads, 3.5 x 8mm wire,
diameter = 0.6mm
N-Channel Logic Level
Enhancement Mode MOSFET
1
Panasonic ECU-V1H181JCG
1
C14
C
OUT
Panasonic ECSH1CY105R
Sanyo 6MV1500GX
See
Table 2
See
Table 2
1
1
1
ESR < 0.044
W
C
IN
Sanyo 10MB1200GX
DS1
L1
L2
Motorola MBR1545CT
Pulse Engineering PE-53682
Beads Inductor
V
f
< 0.57V at I
f
= 7.5A
Optional—Helps reduce
ripple on the 5V line
R
DS(ON)
< 20m
W
,
V
GS
< 4.5V,
I
D
> 20A
1
M1
IRL3103
1
1
R1
R8
R
SENSE
(SW)
Panasonic ERJ-6ENF 0.80KV
5m
W
MnCu or Copel resistor
0.80K
W
1% resistor
0.1% resistor desirable
for accuracy
0.1% resistor desirable
for accuracy
0.1% resistor desirable
for accuracy
0.1% resistor desirable
for accuracy
0.1% resistor desirable
for accuracy
Resistor raises V
OUT
25mV/5
W
1
R9
Panasonic ERJ-6ENF2.26KV
2.26K
W
1% resistor
1
R10
Panasonic ERJ-6ENF1.87KV
1.87K
W
1% resistor
1
R11
Panasonic ERJ-6ENF1.74KV
1.74K
W
1% resistor
1
R7
Panasonic ERJ-6ENF2.00KV
2.00K
W
1% resistor
1
R5
Panasonic ERJ-6GEY000V
0
W
5% resistor
1
1
R6
U1
Panasonic ERJ-6GEY047V
Fairchild Semiconductor
RC5031M
47
W
5% resistor
Adjustable Switching
Regulator
Output Voltage
Output Current
8
6
6.25
7.5
9.5
13
5.6
3
C
IN
Sanyo 10MV1200GX
1x
1x
1x
1x
2x
3x
1x
N/A
C
OUT
Sanyo 6M1500GX
2x
2x
2x
2x
4x
6x
2x
1x
Power MOSFET
(M1)
IRL3103
IRL3103
IRL3103
IRL3103
IRL3103
IRL3103
IRL3103
MJE15028
3.5
2.8
2.9
2.9
3.2
3.2
2.1
3.3