SC4519 Semtech Corporation, SC4519 Datasheet - Page 3

• Manufacturer Part Number: SC4519
• Description: 3A Step-Down Switching Regulator
• Manufacturer: Semtech Corporation

www.DataSheet4U.com
Unless specified: V
T
POWER MANAGEMENT
Electrical Characteristics (Cont.)
A
P
F
F
F
R
F
F
V
V
V
V
S
V
M
M
A
B
T
T
2007 Semtech Corp.
= T
a r
a r
A
B
e
e
B
B
e
C
C
C
C
w
C
b
o
a
i n i
O
O
O
O
O
e
e
g
o
o
R
c t i
i x
n
n
M
M
M
M
M
n I
o t
o t
J
d
d
u
m
e v
t s
c s
c s
P
P
P
P
P
= -40°C to 85°C.
A
m
p
b
b
t a l
h
u
M
V
V
P
P
P
P
P
t u
a
a
n i
u
C
o
o
m
S
o i
m
k c
k c
C
C
n i
n i
n i
n i
n i
n
n
E
g
r u
O
O
w
C
d
d
n
B
T
M
M
e r
S
i S
o t
M
T
T
S
c t i
c u
c u
r u
V
V
P
P
E
o
h
h
o
w
a
t n
o
o
V
k n
e r
o
h
R
a t
S
a t
e r
e r
u
i x
c t i
a t l
a t l
(
o
t s
) 3
c r
w
t n
c n
c n
s
s
m
IN
a t l
C
h
g
g
h
h
c t i
e
V
= 12V, V
e
e
u
o
o
e
e
r u
g
D
o
C
m
(
h
d l
d l
) 3
e
e r
a t l
L
u
r u
C
n i
y t
G
t n
g
e r
r u
e
a
C
e
COMP
t n
e r
n i
c y
(
t n
) 3
e l
= 0.8V, V
S
Y
BST
M
I
F
B
B
= V
O
L
IN
+ 5V, EN = tied to V
I
I
S
S
W
W
V
C
=
=
O
V
V
I
I
0
3
S
3
S
M
F
W
W
4 .
F
P
, A
, A
3
B
B
D
C
V
=
=
=
V
=
IN
=
u
I
C
° 0
° 0
O
, SYNC = 0, SW = open.
y t
3
1
<
O
V
V
2
I
2
I
S
N
M
2 .
S
C
C
O
5 .
W
5 .
c
V
V
O
P
W
D
U
V
U
c y
N I
C
=
T
, A
, A
=
T
=
N (
I ,
T I
O
N (
e l
<
M
T
T
O
O
3
S
O I
T
1
T
P
M
W
A
A
M
A
1
1
=
A
)
A
A
)
6
N
0
+
=
-
<
<
0
V
0
µ
S
8
8
1
1
%
4
° 0
° 0
A
(
9 .
° 5
° 5
7
) 2
7
0
%
V
0
%
C
C
C
C
m
a
a
A
n
n
d
d
1
M
1
5
1 .
8
5
0
N I
5
7
0
0
6
0 -
T
0
3
8
1
2
0
1
+
7
7
1
3
3 .
Y
2 .
5
5
2 .
5 .
9 .
8 .
3
0
0
0
0
P
0
0
5
5
1
M
0 -
1
www.semtech.com
SC4519
1
1
2 .
2
4
3
1
A
5 .
1
1
7 .
5
0
5
2
0
0
X
0
0
4
U
m
µ
A
N
m
µ
M
µ
µ
%
V
V
V
V
V
V /
T I
A
A
A
A
h
V /
o
S