SC4519 Semtech Corporation, SC4519 Datasheet - Page 4

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

www.DataSheet4U.com
Unless specified: V
T
Notes:
(1) The device may not function properly outside its operating input voltage range.
(2) The required minimum input voltage for a regulated output depends on the output voltage and load condition.
(3) Guaranteed by design.
(4) For SYNC applications, please contact factory.
POWER MANAGEMENT
Electrical Characteristics (Cont.)
P
E
E
S
S
S
A
2007 Semtech Corp.
= T
A
n
n
Y
Y
Y
a
a
N
N
N
R
J
b
b
C
C
C
A
= -40°C to 85°C.
e l
e l
M
T
n I
P
n I
n I
h
E
p
n i
p
p
e r
T
t u
t u
t u
R
E
s
F
e
h
R
T
B
o
e r
s
h
a i
d l
s i
IN
e r
q
s
a t
= 12V, V
u
V
s
e
C
c n
h
o
n
o
r u
a t l
y c
e
d l
e r
g
(
V
e
) 4
COMP
t n
o
a t l
= 0.8V, V
g
e
BST
S
= V
Y
M
V
V
IN
I
I
L I
H I
B
H I
L I
+ 5V, EN = tied to V
O
L
E
E
N
N
=
=
IN
1
6
, SYNC = 0, SW = open.
4
0
C
0
0
V
m
O
m
S
V
N
Y
V
N
D
C
a
b
T I
b
=
e
o
0
O I
o l
e v
5 .
w
N
V
h t
S
h t
e r
e r
s
s
h
h
o
o
d l
d l
M
7
3
5
N I
0
T
2
1
2
Y
5
5 .
5 .
0
P
M
1
www.semtech.com
SC4519
0
1
2
A
4 .
5
0
X
0
U
k
N
k
µ
µ
V
V
V
H
A
A
T I
z
S