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SC1404 Datasheet(PDF) 14 Page - Semtech Corporation

Part # SC1404
Description  Mobile Multi-Output PWM Controller with Virtual Current SenseTM
PDF  25 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1404 Datasheet(HTML) 14 Page - Semtech Corporation

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14
 2004 Semtech Corp.
www.semtech.com
SC1404
PRELIMINARY
POWER MANAGEMENT
Applications Information
.
-15
-10
-5
0
5
10
15
20
25
1.00E+02
1.00E+03
1.00E+04
1.00E+05
f (Hz)
-180
-160
-140
-120
-100
-80
-60
-40
-20
0
20
1.00E+02
1.00E+03
1.00E+04
1.00E+05
Frequency (Hz)
Simulated overall gain & phase responses (up to 100kHz) is plot-
ted below.
-80
-60
-40
-20
0
20
40
60
80
1.00E+02
1.00E+03
1.00E+04
1.00E+05
f (Hz)
-20
0
20
40
60
80
100
120
140
160
180
1.00E+02
1.00E+03
1.00E+04
1.00E+05
f (Hz)
Measured overall gain & phase response of the single-pole com-
pensation using SC1404 is plotted below.
-20
0
20
40
60
80
100
120
140
160
180
1.00E+02
1.00E+03
1.00E+04
1.00E+05
f (Hz)
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p
t
u
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p
m
o
C
d
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p
a
C
F
µ
0
8
1
=
<F
p
0
0
1
F
µ
0
0
0
1
<
&
F
µ
0
8
1
>F
p
0
0
2
F
µ
0
0
0
1
>F
p
0
3
3



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