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PRODUCT SPECIFICATION
RC5051
9
Table 3. Recommended Values for CPU-based Applications
* Output capacitance and ESR requirements depend critically on layout and processor type. Consult Application Bulletin AB-14
for details
Test Circuit
Figure 2. Output Drive Test Circuit and Timing Diagram
Application
300MHz AMD K6
Motherboard
Output
Current
13A
C
IN
3 x 1200
m
F, 10V
Sanyo
10MV1200GX
3 x 1200
m
F, 10V
Sanyo
10MV1200GX
3 x 1200
m
F, 10V
Sanyo
10MV1200GX
C
OUT
*
2 x 1500
m
F, 6.3V Sanyo
6MV1500GX
C
OUT
Maximum
ESR*
6.1m
W
R
SENSE
5.8m
W
300 MHz Intel Pentium
Motherboard
14.2A
7 x 1500
m
F, 6.3V Sanyo
6MV1500GX
6.8m
W
5.2m
W
400MHz Intel Pentium II
Motherboard
12.6A
7 x 1500
m
F, 6.3V Sanyo
6MV1500GX
6.3m
W
5.8m
W
65-5051-05
+5V
+12V
1
μ
F
1
μ
F
0.1
μ
F
VCCQP
VCCA
10%
10%
50%
HIDRV
LODRV
50%
50%
50%
90%
90%
t
R
t
DT1
VCCP
HIDRV
LODRV
GNDA
GNDD
GNDP
47
4.7
3000pF
4.7
3000pF
t
F
t
DT2