SC2446 Semtech Corporation, SC2446 Datasheet - Page 2
SC2446
Manufacturer Part Number
SC2446
Description
Dual-Phase Single or Two Output Synchronous Step-Down Controller
Manufacturer
Semtech Corporation
Datasheet
1.SC2446.pdf
(38 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SC2446AITS
Manufacturer:
SEMTECH
Quantity:
3 800
Company:
Part Number:
SC2446ITE
Manufacturer:
PAM
Quantity:
1 850
Company:
Part Number:
SC2446ITETRT
Manufacturer:
PLX
Quantity:
34
Part Number:
SC2446ITETRT
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied.
Unless specified: AVCC = PVCC = V
POWER MANAGEMENT
P
S
n I
H
V
N I
R
R
C
C
S
S
P
P
A
S
L
M
Electrical Characteristics
n I
n I
M
Absolute Maximum Rating
T
T
P
U
A
A
A
A
C
N
N
A
A
A
e
h
h
a
u
p
g i
P
E
E
Y
S
e
e
m
o t
a
V
V
V
V
o
o
O
S
n
h
p
v
m
m
m
a
i n i
2004 Semtech Corp.
1
r e
r e
a
p
r
t u
N
a
a
a r
- n
- n
e
d
C
C
C
C
a
t u
N
, F
F
1
i x
, -
1
- h
M
b
a r
p
p
p
a
d
p
t r
m
k
k
n
C
E /
e
N I
, +
m
m
C
C
C
C
e i
m
n i
n i
i f i l
i f i l
i f i l
m
m
V
N I
y l
S
P
R
g
v r
n
O
n i
T
u
G
V
V
l a
l a
v
v
N
t n
u
l o
e
d i
, 1
V
e
r e
r e
r e
e
t e
S
S
O
Q
m
E
C
l e
- 2
g
V
e
e
f
P
a
m
l o
l o
1
m
s f
e t
l o
a t
a t
a t
e
F
T
t r
t r
l o
S
R
R
p
u
e t
T
r e
N
n I
C
a t
1
T
O
U
C
e
a t
V
a t
e
p
r e
e i
t e
O
A
n i
n i
r
g
J
t r
t r
1
e
e
a t
D
1
a r
m
p
U
O
i n
O
m
e
l o
g
u
p
e
D
E
, -
N
s
s
g
s
g
g
g
T
t a
t u
g
r
T
H
a r
n
V
e
a
c
e
y t
M
s i
s i
p
n
M
r r
v i
a t
e
p
e
D
r
V
F
e
C
t c
n I
n I
h
y
e
l o
n
v i
n
n i
s
e
e
a t
a t
u t
r e
P
B
l o
o
P
r o
g
L
e r
s
L -
d
t n
c
G
S
a r
o i
p
p
S
e
g
a t
F
a r
e t
r
a i
e
2
e r
o
1
n
n
o
a t
t u
t u
2
r o
V
s
a
S
o
S
n
s
C
u t
h t
c
c
C
g
n
u t
c
C
A
s
V
+
h
e r
n i
S
o
g
P
2
e
e
e
d
u
(
T
k
r u
e r
r u
e
o
r u
m
V
L
e r
l o
S
p
S
e
C
w
u
p
E /
e
a
N
s
o
d l
n i
B
J
J
l o
s
e r
e r
c
o
e r
l p
e t
S
p
a t
m
s i
r u
n
G
i
t u
2
u
u
R
c t
R
e
a
N
a t
a t
d l
y l
d
e
n
n
n
- p
g
p
t n
t n
i f i
e r
n
a
a
a
h
2
O
t c
t c
R
c
s t
r e
g
n
d
e
e
C
n
n i
V
n i
n
r e
D
o
t n
c
u
e
e
w
s
V
o i
o i
g
a r
n i
IN2
g
l o
S
n i
e
g
p t
n
o
g
e
l o
e
d i
d
n
n
- 2
u t
a t
) g
=12V, V
U
l u
w
t u
T
a t
h t
o t
o t
e r
V
C
t a
h
n
g
V
g
1
C
e r
e
L
o
C
o i
0
l o
e
C
A
s
O
r u
n
s
o
s
n
m
a t
a
v
s
h
BST1
e r
n
e
s
e
o
b
g
r t
t r
e
c
n
d l
e i
e
l o
= V
r e
s t
s
T (
t n
e l
BST2
S
s r
T (
S
A
= 12V, SYNC= 0, R
S
A
S
O
V
V
y
V
S
C
a
P
G
I
m
I
C
I
I
O
C
O
C
N
N
2 -
M
C
C
1
- 1
L
b
P
H
+
1
1
) 8
l o
Y
T
2 -
H
S
T
) 8
A
A
A
A
V
V
V
V
V
V
C
S
S
S
C
C
C
C
OSC
1
1
+
C
C
C
C
n I
V
I
G
= 51.1k , -40°C < T
=
=
T
C
D
n I
c
=
H
2
S
H
V
e r
A
1
<
c
1
C
V
1
A
V
, +
C
I ,
V
e r
2
a
V
o
C
V
A
S
V
R
I
V
V
V
S
C
G
V
- 1
s
O
E
n
a
B
V
C
C
P
D
M
n i
S
S
N I
F
V
V
y
T
C
N
d
s
V
S
=
H
T
C
V
P
S
C
T
- 1
V ,
1
1
g
m
R
2
T
L
n i
S
T
, 1
, 1
, 1
t i
S
,
V
, -
I ,
I ,
E
C
V ,
N I
E
J
J
T
0
Y
V
V
V
V
A
T
J
P
C
A
A
o i
g
P
H
b
R
F
N
2
G
V
<
N
G
D
E
N I
C
B
C
C
S
N I
-
P
l o
V
D
n
F
S
O
S
S
N
- 2
L
0
1
O
T
2
C
M
2
s
2
1
2
U
, +
5
2 .
I ,
P
T
C
V
2
V
G
A
V
C
D
= T
S
L
- 2
2
J
< 85°C
f (
f (
r o
r o
0
0 -
0 -
M
4 .
<
<
3 .
3 .
M
n i
1
1
0 -
0 -
0 -
0 -
0 -
9
0
0
a
0
o t
o t
3 .
3 .
3 .
3 .
3 .
n
n
i x
s
s
6 -
0 -
0 -
3
0 -
2
0 -
m
4 -
o t
o t
o t
o t
o t
0 -
0 -
@
@
2
0
0
3 .
3 .
3 .
3 .
u
0
3 .
3 .
0
A
A
A
A
A
1
2
1
1 -
s (
s (
0
T
2
m
8
o t
1
4
5 .
2
1
f
f
1
6
www.DataSheet4U.com
V
V
V
V
V
3
0
o t
6
5
1 .
o t
o t
o t
e r
o t
e r
y
6
5
4
e t
e t
3
5 .
7 .
1
0
2 .
o t
o t
5
2
0
0
0
0
C
C
C
C
C
p
0
R
1
7
0
. q
. q
8
a
a
0
2
2
4
2
5
C
C
C
C
C
6
6
t a
5
d
d
0
0
0
6
0
<
<
+
+
+
+
+
y
y
n i
0
0
0
0
0
t s
5
t s
5
g
3 .
3 .
3 .
3 .
3 .
0
0
0
t a
t a
M
0
2 -
s
www.semtech.com
4
5 .
0
0
1
±
SC2446
0 .
) e
) e
a
7 .
k
k
5
6
3
1
H
H
x
2
0
0
) z
) z
U
U
°
°
%
m
m
m
C
C
n
d
m
i n
V
V
V
V
°
°
°
°
i n
V
V
V
V
V
V
V
V
V
V
V
A
V /
A
C
C
C
C
A
A
V
/
/
A
s t
W
W
z
s t