sc4508a Semtech Corporation, sc4508a Datasheet - Page 4

• Manufacturer Part Number: sc4508a
• Description: Sc4508a Buck Or Buck-boost Inverting Current-mode Controller
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Pin Configuration
Pin Descriptions
2007 Semtech Corp.
P
1
1
n i
1
SS/EN
2
3
4
5
6
7
8
9
1
0
2
1
OUT
#
CS
(MLPQ - 12, 4mm x 4mm)
T
P
H
n i
S
C
A
P
V
O
V
E
O
P
1
2
3
F
S
F
C
N
G
G
O
R
N
D
R
A
VDD
VREF
S
U
B
- B
E /
C
S
E
N
N
M
12
M
D
a
C
D
T
+
TOP VIEW
4
F
D
D
N
P
m
A
e
L
OSC
11
NC
5
G
C
S
b
0
c
N
A
P
E
E
C
n
O
n i
o
S
P
n i
i t
a
e
m
e
5 .
s
o
o
n
o
r r
r r
u
a
a
r u
o
s
e t
e t
p
w t
i c
o l
COMP
a
p
t f
w
i c
d
AGND
e t
r o
r o
m
e
V
e r
c
n r
n r
a
o l
p
a l l
w
10
r e
o
a l l
s
o
p
f
i c
s i
y l
e r
a
r o
a
6
r d
t n
g
a
a
a t
k r
n
e
o t
0
o t
o t
o l
. y l l
m
m
n
g
e f
s n
o v
v i
d
t r
g
2 .
s
h
f r
e
o r
f
f r
f r
9
8
7
f e
p
p
o r
o r
r e
e
s
e
e r
p
t c
5
t a
a t l
i f i l
i f i l
e r
i c
s n
u
a
n i
o r
e r
. n i
. V
u
m
c n
o i
n
o i
o
i s t
a l l
g
n
q
e
r e
r e
m
q
e
. d
u
. n
. d
. e
u
e
n
C
d
u
C
o t
k n
p t
e
n i
n i
n
e
V
p
O
o
o
b
c n
B
f r
u
o
n
p
n i
n i
R
e v
u
n
y
M
FB+
FB-
PGND
f t
- n
y c
p y
t u
p t
e r
n
. y
g
E
h t
P
t r
f
r o
e
n i
r o
a
. t u
F
q
p
p
e
n i
s
C
c
e v
o t
s s
u
. n i
t e
u
e
s t
o t
g
n i
c
e
p r
s i
V
x
t r
a
A
c n
n i
e t
n i
a
e t
a
C
R
A
o
n i
p
h t
G
n
p
p
n r
s
n r
E
1
o
a
G
f y
g
e
. t u
N
. t u
e
e
u
n
i c
F
a
l a
N
n i
o r
. s
F
n
x
. D
c
t l
o t
. D
e t
e
c
p
C
a
- P
m
c
a r
C
a
t c
. r
. t u
p
n r
4
o
e
n
a
o
M
T
n
1
a r
Notes:
(1) Only available in tape and reel packaging. A reel
contains 3000 devices.
(2) Lead free product. This product is fully WEEE and
RoHS compliant.
n
a
a
i c
n
s
c s
Ordering Information
h
n
0
O
c l
m
n
o
S
e
c
e
0
o t
e
S
o
u
r u
t c
K
C
a
c i
d
t c
n
f r
c r
F
p
H
4
e r
e
d
a
E
c
S
P
a
e
o r
5
o t
v
c u
z
t n
a
S
. T
t i c
n i
c i
C
0
c
u
m
o t
p
C
a t
e
8
g
e
p
4
s
P
O
r o
a
a r
A
F
o r
4
e
O
5
c n
1
i c
g
o t
a
U
u
5
B
s n
0
m
5 .
u
b
S
o
t r
o t
T
e
0
n
8
n
U
e
e
1
c i
M
C
e
8
f r
d
A
t c
N
s
w t
C
s
m
e
A
H
w
B
e r
r r
c
o t
o r
p
u
o i
K
n i
. A
e
M
. z
a
n i
r o
U
a l
m
s
B -
e
m
n
o t
p
A
L
C
g
t s i
n
n
B
U
b
a
T
a
G
O
s
e
K
s
V
p y
s
r e
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h t
R
r o
m
N
O
h
f
e
E
D
s u
o r
s i
o t
T
u
a
p
. D
S
V
b
e
D
(
d t
) 2
s s
f i l
n i
m
f r
T
e
p
q
B
o
e i
g
o t
E
w t
n i
o r
u
V
w
i w
t a
. r
V
m
m
e
D
a
n
P
o i
B
h t
C
e
t l u
n
D
G
w
O
n
d
o
n
a
N
h
p i
n
o t
S
V
A
e
. D
n
0
f
e l
C
D
n
G
e
1 .
P
D
t c
v
N
V
o t
G
u
C
a i
E
E
100
. D
S
F
N
a
o l
a v
a v
A
. s
S
n
P
. D
c
o
SC4508A
. 0
M
G
d
T
E /
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u l
e
p
N
a
h
65
N
A
www.semtech.com
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1 -
p
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B
B
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p
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2
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