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SC192 Folha de dados(PDF) 10 Page - Semtech Corporation

Nome de Peças SC192
Descrição Electrónicos  Synchronous Buck Converter with Integrated Power Devices
PDF  15 Pages
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Fabricante Electrônico  SEMTECH [Semtech Corporation]
Página de início  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC192 Folha de dados(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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