sc1109acstrt Semtech Corporation, sc1109acstrt Datasheet - Page 2

no-image

sc1109acstrt

Manufacturer Part Number
sc1109acstrt
Description
Sc1109 Synchronous Pwm Controller With Dual Low-dropout Regulator Controllers
Manufacturer
Semtech Corporation
Datasheet
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: VOSENSE = V
POWER MANAGEMENT
Electrical Characteristics
L
L
P
Absolute Maximum Ratings
P
S
B
P
L
O
J
S
L
P
S
S
S
S
S
O
O
O
C
O
U
H
P
S
S
S
S
T
T
T
V
D
u
e
o
n i
S
H
a
u
u
u
u
w
h
s y
o
o
o
S
S
h
a
T
o t
h
h
r u
n
2004 Semtech Corp.
C
p
u
c s
c s
c s
n
a
a
p
p
p
e r
w
u
a r
O
r e
r e
a r
e
B
T
A
p
w
t f
p t
d
E /
E /
r e
i
C
t c
a r
d
e r
d
c t
e t
d t
p
p
p
p
l l i
l l i
l l i
r e
r e
Y
S
S
r e
m
m
R
s
m
o t
m
t u
t a
y l
y l
y l
t S
N
N
o t
o i
g
t a
t a
t a
T
y l
R
t n
h
h
e r
o
E
x
e
o t
l a
a
e
e
t e
t e
o
w
n
G
n i
n i
e
V
O
V
r o
r o
r o
S
i S
V
Q
g
G
r a
G
I l
s
G
o t
m
(
i L
d l
g
l o
n
g
T
T
l o
l o
l u
o
r e
r e
V
s i
o
g
u
p
o
k n
G
N
G
R
m
l u
/ t
N
m
e
e
p
F
M
o
u
C
e i
t a
a t
r e
a t
a t
V
G
T
o
D
N
m
e
D
m
e
S
t a
a
c r
C
d
p
e r
t i
e
l o
d
c s
a
)
c
a r
g
g
o i
E
N
s
t a
n i
g
D
e
e
p
m
p
e
o i
x
r t
T
r u
q
a t
s i
e
e
D
d
t c
n
e
n
e
e
u t
e
n i
h
p
u
(
( n
p i
D
c
a t
a
a
e r
a r
a r
t n
(
A
g
(
L
e r
o i
e
e
g
) 1
r u
e r
) 1
c n
b
u
e
(
c n
O
) 1
n
(
o
t n
a r
u t
u t
n
y t
s
e l
C
C
i V
L
e r
y c
c
e
)
S (
h
(
e r
u t
e r
e
r u
) 2
r u
k
- n
o
t n
C
(
J
) 3
e r
o
J
d l
e r
e r
O
u
c y
R
V
R
d l
u
(
n
) 2
P
a
n
t n
t u
a
t n
V
R
t c
r e
e l
H
t c
n
n
A
l o
O
a
o i
g
(
S
g
; Vcc=4.75V to 5.25V; STBY=4.75V to 5.25V; BST = 11.4V to 12.6V; T
n i
o i
) 1
n
E
a t
e
e
n
)
g
) g
n
g
e
o t
o t
e
1
0
C
A
a
S
m
s I
s
e
L
V
b
e
V
I
S
G
I L
V
o
c
i s
O
r t I
e i
C
V
o
y
C
u
r t
I A
P
N
k n
V
I
f
V
n
A
c r
S
t n
m
I
C
O
p i
C
C
D
p i
G
C
S
C
E
d
T
C
S
N
D
C
S
E /
H
e
b
C
T
i l I
I H
Q
C
i l I
s
R
h t
S
Y
V
R
m
N
m
S
E
G
l o
E /
S
T
E
t i
S
G
t i
H
T
T
N
G
E /
N
V
V
V
C
C
n i
C
C
V
S
=
=
=
O
I
y
V
V
T
O
2
C
m
T
5
5
T
T
S
S
S
S
4
S
S
S
S
S
S
J
J
o
=
S
S
A
T
, V
, V
L
J
A
C
I
7 .
E
b
C
C
C
C
C
C
E /
E /
G
O
n
0
N
l o
N
N
5
1
1
1
1
1
1
d
S
S
=
A
S
=
=
1
1
1
1
1
1
V
t i
S
S
0
0
0
0
0
0
E
2
o i
o t
1
1
E /
E /
o t
9
9
9
9
9
9
A
5 .
5 .
o t
n
A
B
C
A
B
C
N
N
6
5
s
V
V
A
2 .
V
=
>
O
5
0
1
V
V
V
6 -
0 -
M
0 -
0 -
0
1 -
0 -
0
5
3 .
a
3 .
3 .
o t
3 .
A
o t
i x
o t
o t
3
1
3
= 0 to 70°C
o t
0
3
o t
o t
+
m
0
o t
+
+
+
0
0
1
1
+
7
u
M
1
1
4
+
+
1
1
1
1
1
2
4
3
1 .
9
8
2
5
0
m
5
5
5
1
5
5
7
7
8
8
7
7
4 .
9 .
1
N I
0
8
0
8
0
0
5
5
0
0
2
8
±
1
T
2
5
2
2
2
2
6
1
2 .
4
0
9
3
1
Y
5
8
0
0
0
0
0
0
2
0
6
1
1 .
1 .
5
5
0
0
0
0
0
0
0
0
0
0
P
0
5
www.semtech.com
1
M
5
2
5
2
2
2
2
6
SC1109
1
4
2 .
1
2
1
U
°
°
2 .
A
2
5
2
2
2
0
1
3
5
4 .
/ C
/ C
0
2
2
°
°
°
°
1
i n
V
V
V
V
V
5
0
5
0
0
8
2
0
X
5
C
C
C
C
2
W
W
s t
U
k
k
k
N
m
m
m
m
m
m
µ
µ
u
d
%
%
%
%
V
V
V
H
H
H
T I
A
A
A
B
A
A
V
V
V
V
z
z
z
S

Related parts for sc1109acstrt