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SC192 Fiches technique(PDF) 10 Page - Semtech Corporation

No de pièce SC192
Description  Synchronous Buck Converter with Integrated Power Devices
PDF  15 Pages
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Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC192 Fiches technique(HTML) 10 Page - Semtech Corporation

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© 2007 Semtech Corp.
www.semtech.com
SC192
PRELIMINARY
POWER MANAGEMENT
Applications Information Cont.
The plots below were taken at Vin = 3.6V, Vout = 1.8V, with the compensation components listed in Table 1.
The upper plot is LX, the middle plot is output voltage, the lower plot is the current transient of 0.1A to 0.6A
PSAVE, Cout = 20uF, Lout = 10uH
PWM, Cout = 20uF, Lout = 10uH
PSAVE, Cout = 10uF, Lout = 10uH
PWM, Cout = 10uF, Lout = 10uH
TABLE 1
T
U
O
VT
U
O
V
T
U
O
V
T
U
O
VT
U
O
V2
R2
R2
R2
R2
R
F
u
0
1
=
t
u
o
C
=
6
CF
u
0
1
=
t
u
o
C
=
6
C
F
u
0
1
=
t
u
o
C
=
6
C
F
u
0
1
=
t
u
o
C
=
6
CF
u
0
1
=
t
u
o
C
=
6
C
H
u
0
1
=
1
LH
u
0
1
=
1
L
H
u
0
1
=
1
L
H
u
0
1
=
1
LH
u
0
1
=
1
L
F
u
2
2
=
t
u
o
C
=
6
CF
u
2
2
=
t
u
o
C
=
6
C
F
u
2
2
=
t
u
o
C
=
6
C
F
u
2
2
=
t
u
o
C
=
6
CF
u
2
2
=
t
u
o
C
=
6
C
H
u
0
1
=
1
LH
u
0
1
=
1
L
H
u
0
1
=
1
L
H
u
0
1
=
1
LH
u
0
1
=
1
L
F
u
7
.
4
=
t
u
o
C
=
6
CF
u
7
.
4
=
t
u
o
C
=
6
C
F
u
7
.
4
=
t
u
o
C
=
6
C
F
u
7
.
4
=
t
u
o
C
=
6
CF
u
7
.
4
=
t
u
o
C
=
6
C
H
u
7
.
4
=
1
LH
u
7
.
4
=
1
L
H
u
7
.
4
=
1
L
H
u
7
.
4
=
1
LH
u
7
.
4
=
1
L
V
3
.
3k
0
3
1
F
p
0
7
4
=
4
C
k
2
1
=
8
R
F
p
0
7
4
=
4
C
k
8
2
=
8
R
F
p
0
7
4
=
4
C
k
9
1
.
6
=
8
R
V
5
.
2k
7
8
1
V
8
.
1k
9
0
3
V
5
.
1k
2
4
4
V
0
.
1M
0
3
.
1



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