SC2446A Semtech Corporation, SC2446A Datasheet - Page 2

no-image

SC2446A

Manufacturer Part Number
SC2446A
Description
Dual-Phase Single or Two Output Synchronous Step-Down Controller
Manufacturer
Semtech Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SC2446AITS
Manufacturer:
SEMTECH
Quantity:
3 800
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. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device
reliability.
Unless specified: AVCC = 12V, SYNC = 0, R
POWER MANAGEMENT
P
U
A
A
A
A
C
n I
n I
n I
N
n I
A
A
A
M
Absolute Maximum Rating
P
S
G
N I
R
R
C
C
S
S
A
S
L
M
Electrical Characteristics
T
T
e
V
V
V
V
h
h
a
p
e v
p
o
e v
m
m
m
a
u
a
E
E
O
S
Y
S
m
o t
n
h
a
i n i
2005 Semtech Corp.
1
r e
r e
a
p
a r
N
a r
t u
t u
- n
e t
C
C
C
C
F
, F
1
i x
d
a
, -
1
M
b
a r
p
p
p
d
t r
t r
p
m
C
E /
n
O
, +
m
m
e
e i
m
C
C
C
C
n I
i f i l
i f i l
i f i l
m
m
n i
n i
y l
N I
P
C
O
g
O
U
R
e T
v r
n
u
e v
l a
l a
T
N
t n
u
e
, 1
V
g
g
r e
r e
r e
t e
t e
o
s f f
E
C
S
S
O
Q
m
u
- 2
l e
V
m
V
l o
1
m
o
m
p t
t r
F
e T
a t
a t
o
S
R
R
p
u
n I
n I
r e
e T
r e
o
t e
C
a t l
T
O
U
C
1
n i
V
p
a t
e i
a t l
N I
A
r e
m
u
J
1
e
e
p
p
a t l
t r
t r
a r
m
O
n
m
e
p
s t
o
u
O
g
, -
N
s
s
c s
E
t u
V
t u
g
o
V
g
t a
y t i
g
T
H
e
a t l
a r
n
n
g
M
s i
s i
p
M
e
p
- n
o
D
r r
o
e
n I
C
e
G
t c
h
c s
n
n i
s y
e
V
B
e
e
e
a t l
P
a t
a t
u t
a t l
g
e r
L -
P
r o
M
p
G
S
a r
o i
L
t n
D
s
o
S
a r
g
a i
o
e
2
e r
e t
c n
c n
t u
1
o
a t l
g
a
g
2
s
o
o
H
S
n
u t
n
s
s
u t
C
C
h
e r
A
e
n i
e
V
+
c
d
o
d
S
e
e
, 1
2
B
S (
e r
e T
g
o
e r
r u
C
k
r u
e
p
o
m
c u
E /
s
w
a
e
a i
d l
B
J
J
o
a t l
r u
o
s i
e r
G
m
e r
n
l p
V
G
c t i
u
u
R
R
a t
a
N
t u
s
R
d l
d
e r
n
n
o
D
g
p
t n
a
n
a
t n
i f i
a
2
a
C
c n
h
t c
t c
r e
a t l
d
e
C
e
n i
H
n
t n
n
n i
n
r e
V
n i
r u
w
s
o i
o i
g
a r
g
, 2
S
n i
g
e
g
g
o
e
d i
e
e
e r
n
n
e
- 2
u t
) g
U
a t l
T
G
h t
o t
o t
e r
t n
V
R
h
D
V
1
g
e r
L
a
0
o
e
C
A
L
O
n
s
a t l
s
OSC
, 1
m
a
g
s
h
s
e
e
g
b
o
= 51.1k , -40°C < T
G
e
c
e
e i
d l
D
s
T (
t n
L
S
2
T (
S
A
S
A
o v
S
V
O
y
V
S
C
a
G
P
I
a t l
I
m
I
R
C
N I
C
O
O
C
E
2 -
M
C
- 1
L
g
b
C
F
1
1
P
H
e
) 8
l o
T
Y
2 -
H
S
s
T
) 8
A
= T
A
A
A
N (
N (
0
V
V
V
V
V
C
S
~
o
o
J
S
S
C
C
C
< 125°C
1
1
e t
e t
7
+
C
C
C
I
° 0
c n
=
) 1
) 1
=
I
=
c n
e r
2
V
C
C
1
A
C
e r
a
2
o
S
V
s
V
V
- 1
n
a
n i
C
G
s
V
d
=
D
g
C
n i
t i
H
C
0
1
T
S
o i
g
,
H
1
V
V
, +
V
-
n
C
V
R
V
S
G
V
0
O
s
E
C
A
D
M
2 .
N I
F
V
S
y
V
T
S
H
T
V
P
S
V ,
- 1
1
m
2
T
L
R
T
V
, 1
S
, 1
S
, -
E
V ,
C
V ,
E
J
J
Y
A
V
V
V
T
J
C
A
A
R
F
N
b
G
D
C
N I
G
E
C
C
C
S
N I
l o
F
D
S
O
S
- 2
O
2
L
2
M
U
, +
1
P
,
T
V
2
V
C
G
S
D
- 2
M
L
0
0
2
n i
M
0 -
0 -
0 -
0 -
0 -
a
3 .
3 .
3 .
3 .
3 .
i x
1 -
1 -
T
2
4
4 -
6 -
0
2
2
6
www.DataSheet4U.com
0 -
m
y
o t
o t
o t
o t
o t
8
6
5
0 -
0 -
0 -
5 .
1
0
0
2 .
5 .
2 .
5
0
0
p
0
3 .
0
0
u
3 .
3 .
3 .
A
A
A
A
A
2
1
m
o t
1
8
o t
6
V
V
V
V
V
5
o t
3
4
o t
o t
o t
0
0
C
C
C
C
C
R
1
1
1
SC2446A
2
5
6
C
6
C
C
C
C
6
A
t a
6
5
0
M
2 -
2 -
www.semtech.com
V
+
+
+
+
+
4
±
1
n i
3
a
7 .
5
5
0
0
0
0
0
C
5
3
x
0
0
g
3 .
3 .
3 .
3 .
3 .
C
s
U
U
M
°
°
m
m
m
n
n
d
/ C
/ C
i n
V
V
V
V
V
°
°
°
°
i n
H
A
A
V
V
V
V
V
V
V
V
V
C
C
C
C
A
A
V
s t
W
W
z
s t

Related parts for SC2446A