SC1109ACSTR SEMTECH [Semtech Corporation], SC1109ACSTR Datasheet - Page 4

• Manufacturer Part Number: SC1109ACSTR
• Description: Synchronous PWM Controller with Dual Low Dropout Regulator Controllers
• Manufacturer: SEMTECH [Semtech Corporation]

Ordering Information
POWER MANAGEMENT
Pin Configuration
Pin Descriptions
P
S
S
P
S
a
S
2004 Semtech Corp.
C
C
C
t r
n i
1
1
1
1
1
1
1
C
1 1
4
2
3
5
6
7
8
9
1
1 1
1 1
0
2
3
4
5
6
1
1 1
N
0
#
0
0
u
9
0
9
9
m
A
9
B
C
C
E
b
S
S
V
r e
S
T
T
B
T
R
R
(
R
) 1
PHASE
LDOS1
GATE1
BCAP+
V
BCAP-
P
STBY
P
O
O
B
P
P
n i
L
GND
L
B
G
G
S
S
W
S
S
S
a
G
V
D
D
C
H
B
C
S
C
DL
S
A
A
D
c
D
O
O
O
T
N
C
N
A
S
E
O
O
A
R
S
k
T
T
A
E /
1 -
1 -
1 -
B
H
L
a
a
C
E
D
S
T
G
N
S
E
P
E
S
- P
Y
g
6
6
6
N
(SC1109A/B)
m
E
2
1
S
2
1
+
D
T
e
e
E
Top View
1
2
3
4
5
6
7
8
1
1
1
V
L
8 .
8 .
8 .
l o
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V
V
V
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1 /
1 /
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16
15
14
13
12
11
10
e
9
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5 .
5 .
5 .
P
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5
S
P
N
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P
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S
VOSENSE
PWRGD
VCC
BST
DH
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a t
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GATE2
SS/EN
S
c
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p
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9
a
Note:
(1) Only available in tape and reel
packaging. A reel contains 2500 devices.
C
O
C
n
h
d
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u
a
PHASE
p t
GATE1
BCAP+
LDOS1
s
BCAP-
g r
A
STBY
w
u
GND
e
e r
c t i
t
DL
S (
P
s
h
t s i
u
C
e
m
d
1
r o
(SC1109C)
, p
1
Top View
o
1
2
3
4
5
6
7
8
0
f f
o t
O
9
a l
, A
s
h t
l i c
. t s
e
16
15
14
13
12
11
10
a
9
t a l
n
M
d
r o
o
S
s
e f
LDOS2
GATE2
SS/EN
VOSENSE
OCSET
VCC
BST
DH
a
C
n
s t '
1
d
1
0
F
s
9
u
E
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