SC2643VX Semtech Corporation, SC2643VX Datasheet - Page 6

• Manufacturer Part Number: SC2643VX
• Description: Multi-Platform Multi-Phase PWM Controller
• Manufacturer: Semtech Corporation

www.DataSheet4U.com
POWER MANAGEMENT
Pin Descriptions
Pin Configurations
2005 Semtech Corp.
P
2
2
2
2
1
1
1
1
1
1
1
1
1
2
1
n i
4
2
3
5
6
7
8
9
1
0
2
3
4
0
1
2
3
4
5
6
7
8
9
1
#
DACSTEP
ERROUT
GSENSE
BGOUT
VID3
VID4
VID2
VCC
OS3
OS2
OS1
D
P
FB
E
O
G
O
P
B
n i
A
A
R
S
O
O
O
S
G
O
U
I V
I V
I V
I V
I V
G
V
I V
O
O
O
O
C
G
R
F
C
E
T
U
U
U
N
C
O
U
O
S
S
S
D
D
D
D
D
S
S
D
O
B
N
N
S
R
T
T
T
T
a
C
3
2
T
O
4
U
4
3
2
0
5
1
1
D
S
2
3
4
E
U
E
m
1
12
(24-Pin TSSOP)
E
10
11
T
1
3
7
8
9
D
2
4
5
6
N
E
T
F
e
P
Top View
B
E
R
F
P
P
P
P
P
P
i D
C
C
C
O
C
C
I V
I V
I V
I V
e
G
r r
o
o
W
W
W
W
e
o
o
o
e l
o
s
e r
D
D
D
D
e
w
w
m
m
m
m
m
r o
l i c
a
M
M
M
M
d
e r
t c
r e
r e
o
n
b
b
b
s
M
L
1
b
a -
b
a l
e t
e t
- i
- i
- i
e f
S
2 /
- i
a
o
o
o
o
g
o
S
o t
m
s
g
S
S
S
S
. B
u
u
u
u
c
o r
p
u
e r
24
23
22
21
20
19
18
17
16
15
14
13
. B
u
o
s
L
p t
p t
p t
p t
e
e
e
k
f r
e
p
p t
p
e
o
s
u
S
n
n
n
n
n
i f i l
i p
t u
t u
t u
t u
p
n
p
. d
e r
n
t u
s
s
s
c
s
B
y l
s
d
e
e
e
e
r e
. n
e
e
. 1
. 2
. 3
. 4
q
e
C
e
/
s
f
C
C
i p
f
u
C
e
. d
r o
r o
I V
o
C
r u
f
OS4
OUTSEN
OUT4
OUT3
OUT1
AG ND
OSCREF
PG OO D
VID5
VID0
VID1
e
OUT2
r u
r u
r o
n
r u
. n
u
n
o
s
e r
D
p t
a
c
e r
e r
c
e r
n
. e
G
i h
n
y
n
t n
u
y t
t n
t n
a
t n
e
N
. p
. t
s
o l
p
t c
D
e
. 3
. 2
. 1
. 4
e
. g
t t
.
o t
s
n i
C
e
C
. g
o
V
e l
o
n
C
c
n
n
. t
C
n
e
e
t c
f
t c
I V
r o
6
o t
D
o t
Note:
(1) Only available in tape and reel packaging. A reel contains 2500 devices
for the TSSOP-24 package.
(2) Lead free package.Device is fully WEEE and RoHS compliant.
3
Ordering Information
S
S
S
5
O
O
p
C
C
C
p
U
h
2
2
2
U
l l u
a
6
6
6
T
P
T
P
4
4
4
s
S
u -
a
S
3
3
3
e
n i
E
t r
V
V
V
p
E
o
X
X
X
N
N
F
N
o t
p
T
T
E
u
u
f
S
S
r e
V
r o
f
m
n
r o
T
T
B
V
t a
t c
b
R
R
C
2
r e
T
2
o i
(
o i
C
) 1
p
1 (
. n
r o
n
h
( )
f
) 2
a
r o
3
s
e
K
p
-
h
o
; 8
a
p
s
r e
T
T
I V
P
e
S
S
t a
a
S
S
D
o
c
O
O
o i
p
k
5
a
P
P
r e
n
p
g
2 -
2 -
t a
l l u
e
E
4
4
v
o i
u -
a
u l
. n
p
t a
SC2643VX
o t
o i
n
T
5
e
V
B
m
www.semtech.com
o
0
0
f
. p
a
r o
o t
o t
d r
R
1
1
V
a
2
2
n
R
5
5
g
M
O
O
e
C
C
. 9
T (
. X
J
)