sc2442 Semtech Corporation, sc2442 Datasheet - Page 3

• Manufacturer Part Number: sc2442
• Description: High Performance Wide Input Range Dual Synchronous Buck Controller
• Manufacturer: Semtech Corporation

Unless specified: T
© 2007 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics (Cont.)
P
S
C
i D
E
V
I
O
U
O
O
P
O
F
C
O
O
S
E
i D
i D
S
S
C
O
F
O
p n
o
e r
e
a
o
r r
n
W
y
a n
y
y
h
p
u
u
s
o l
s
s
r u
C
C
c s
a s
a s
c n
c n
a t l
y t i
e
a r
r a
t u
p t
p t
l i c
l i c
n
t f
e
c
r o
q
k c
, 1
M
b
e r
d
S
n
l l i
c
a h
t u
t u
e u
b
b
i g
m
g
t a l
t a l
S
B
e l
b
G
E /
I
I
e
t a
e l
e l
p n
p n
O
L
t n
A
e
o t
F
a
a t
g n
a i
t e
g r
n
S
S
n
a
r o
r o
o
n
T
C
m
e r
k c
r o
e s
F
y c
T
L
t u
t u
n i
t r
s
o
o
e l
O
r e
e
h
i L
a
2
l p
e
q
h
o
C
p
u
P
V
e r
w
C
u
b
e r
H
L
T
C
e
B
w
m
c r
R
e u
o t
l l a
C
r u
e
p t
i f i
e l
G
s
o
h
d
r u
g i
a
r u
R
a
a
s
/ e
t i
r u
e h
o t
e r
e r
w
b
t u
n
y e
r e
a
d n
D
g n
e h
e r
k
a
h
n I
e r
y c
a
i S
n i
e r
s
t n
e t
i r
d l
L
D
S
V
k c
t n
L
A
w
e
p
d l
o h
t n
V
e v
e
k n
t n
= T
(
h
e
o
l e
) 1
d i
t u
(
o
V
v
t u
) 1
v
a t l
V
d l
R
a t l
l e
y a
i L
o
h t
l e
u T
C
J
o
e
a t l
g
D
=
m
f
g
a t l
r u
r o
e f
(
n r
e
(
) 1
o
) 1
e
-
g
t i
e r
40 to 125°C, VIN = 24V, V
e r
g
w
(
e
i H
O
) 1
(
S
e
) 1
n
t n
n
f f
e
c c
e c
D
n
D
e s
p u
l e
l e
y a
y a
(
) 1
(
) 1
V
V
V
S
I
I
S
S
O
F
F
T
I
V
V
V
V
E
G
y
S
S
B
C
B
O
G
1
1
1
A
1
m
F
F
S
S
S
S
, 1
B
C
I ,
I ,
,
,
B
D
Y
Y
Y
Y
c
c
CC
D
V
V
A I
W
V
b
E
E
E
E
C
S
S
L
N
N
N
N
S
O
l o
S
S
F
F
Y
= 7V, Fc = 550KHz
2
2
B
C
B
2
2
2
S
S
3
Y
Y
N
N
S
C
C
Y
T
E /
E /
N
e
R
t s
C
N
N
O
E /
n I
n I
p
C
S
p
n i
N
n i
e t
e t
o
C
n
n r
n r
V
p
V
=
d
n i
o
o
l a
l a
t i
6
a t l
a t l
<
o i
0
K
g
g
0
n
e
e
8 .
s
a f
r
V
i s i
i l l
g n
g n
0
0
4
M
8 -
7 .
4 .
0
1
1 -
9
7
1 .
8 .
n i
3
0
5
0
5
0
0
0
1 -
T
T
T
5
5
7 .
3
2
0
5 .
1
7
8
5
8
1
2 -
y
T
T
0
3
2
5
1
0 .
5 .
0 .
8 .
0
0
0
0
0
0
5
2
p
0
0
L
L
5
0
5
www.semtech.com
0
0
1 -
M
6
7 .
1
6 .
1
1
4 -
1
a
2
0 .
1 .
3
6
1
0
x
5
5
0
V
U
M
M
k
m
m
µ
µ
n
d
n
n
n
µ /
V
H
V
V
V
V
V
V
V
n
H
H
A
S
S
S
A
A
B
V
A
t i
z
S
z
z