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PRODUCT SPECIFICATION
RC5050
7
Test Circuit
Figure 1. 15A Application Circuit for Pentium II Processor
Figure 2. Output Driver Test Circuit
Table 2. Recommended Bulk Capacitors for CPU-based Applications
Application
Motorola PowerPC
603/604 Motherboard
Output
Current
7A
C
2 x 1500
m
F, 6V
Sanyo
6MV1500CX
3 x 1200
m
F, 10V
Sayno
10MV1200EG
3 x 1200
m
F, 10V
Sayno
10MV1200EG
IN
C
2 x 1500
m
F, 6V
Sanyo
6MV1500SX
5 x 1500
m
F, 6.3V
Sanyo
6MV1500GX
7 x 1500
m
F, 6.3V
Sanyo
6MV1500GX
OUT
C
OUT
Maximum
ESR
22m
W
R
10.5m
W
SENSE
Intel Pentium II Klamath
Motherboard
14.2
9.0m
W
5.5m
W
Intel Pentium II
Motherboard (All versions
including next generation)
15A
6.0m
W
5.0m
W
VO
GND
VID3
VID2
VID1
VID0
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
17
18
19
20
+5V
PWRGD
RC5050
VCC
65-5050-12
ENABLE
C10
0.1
μ
F
0.1
μ
F
C11
10K
C
100pF
C7
0.1
μ
F
C6
1
μ
F
DS1
C
IN
C5
0.1
μ
F
D1
1N4735A
C12
1
μ
F
L1
1.3
μ
H
M1
IRL3103
M2
IRL3103
C8
0.1
μ
F
C9
0.1
μ
F
R
SENSE
*
C
OUT
*
L2
2.5
μ
H
VREF
C4
0.1
μ
F
+12V
VID4
47
R5
R6
*Refer to Table 2 for value of
R
SENSE
, C
OUT
, and C
IN
.
+12V
+5V
0.1
μ
F
0.1
μ
F
47
4.7
μ
F
VCCQP
VCCA
HIDRV
RISE/FALL
7000pF
HIDRV
1
μ
F
90%
50%
t
R
t
F
10%
65-5050-11
90%
50%
10%
RC5050
VCCD
GNDA
GNDD
GNDP