SC2447 Semtech Corporation, SC2447 Datasheet - Page 2

• Manufacturer Part Number: SC2447
• Description: Dual-Phase Single or Two Output Synchronous Step-Down Controller
• Manufacturer: Semtech Corporation

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. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device
reliability.
© 2006 Semtech Corp.
POWER MANAGEMENT
Absolute Maximum Rating
P
S
G
N I
R
R
C
C
S
S
S
L
J
E
Pin Configurations
u
e
a
u
E
E
Y
S
o t
S
a
O
S
1
n
a
p
a r
N
e t
F
, F
1
D
, -
1
M
a r
t c
d
p
C
E /
O
, +
m
o i
y l
N I
P
g
O
U
R
R
e T
T
N
V
e
, 1
t e
C
n
t a
u
E
- 2
V
V
m
o
1
p t
F
e T
o
S
e T
n i
r e
o
C
a t l
V
p
a t l
N I
A
u
1
REFOUT
a t l
g
m
COMP1
O
m
e
s t
o
COMP2
, -
N
g
V
g
ROSC
SYNC
AGND
REFIN
a r
a t l
H (
M
p
g
p
e
CS1+
CS1-
D
CS2+
o
e
C
CS2-
G
IN1-
REF
e
e
e
IN2-
u t
a t l
P
g
u
S
a r
D
s
a r
S
m
e
2
e r
g
2
H
S
u t
s
u t
a
e
V
+
θ
, 1
2
S (
e r
e r
n
JA
o
E /
a
= 84°C/W; θ
a t l
B
o
G
n
(28 Pin TSSOP)
R
N
10
11
12
13
14
d l
d
o
1
2
3
4
5
6
7
8
9
TOP VIEW
D
g
a
Figure 2
2
d
r e
e
C
n
H
y
s
V
g
n i
, 2
S
M
e
o
- 2
) g
a t l
o
G
d
JC
D
V
1
g
e
= 13°C/W.
o
0
e
L
28
27
26
25
24
23
22
21
20
19
18
17
16
15
) l
a t l
s
, 1
s
e
g
G
c
e
D
s
SS1/EN1
NC
NC
GDH1
GDL1
NC
NC
GDL2
GDH2
NC
NC
AVCC
SS2/EN2
NC
L
2
o v
a t l
g
e
s
2
Notes:
(1) Only available in tape and reel packaging. A reel contains 2500 devices
for TSSOP package.
(2) Lead free product. This product is fully WEEE and RoHS compliant.
Ordering Information
S
S
V
C
C
G
V
2
2
D
4
4
H
C
1
S
4
4
,
1
V
D
7
7
V
, +
V
C
T
E
V
e
R
V
V
S
G
O
E
S
v
V
A
C
D
M
F
V
S
N I
V
y
T
E
S
c i
H
T
T
P
S
V
B
- 1
V ,
m
1
2
R
L
S
T
, 1
, 1
S
S
R
, -
V ,
E
V ,
e
C
E
Y
V
V
V
T
J
A
b
R
F
N
D
G
T
D
C
E
N I
C
G
C
C
S
N I
l o
1 (
F
D
O
S
S
- 2
O
( )
2
2
L
M
) 2
U
1
, +
P
,
T
V
2
V
C
G
S
- 2
D
L
2
T
S
o
M
C
p
0 -
0 -
0 -
0 -
0 -
a
2
M
3 .
3 .
3 .
3 .
3 .
E
i x
4
www.DataSheet4U.com
a
a v
4
6 -
0 -
m
o t
o t
o t
o t
o t
0 -
0 -
0 -
k r
7
0
u l
3 .
u
3 .
3 .
3 .
A
A
A
A
A
2
1
t a
m
o t
V
V
V
V
V
6
5
2
o t
o i
o t
o t
o t
0
0
C
C
C
C
C
R
1
n
1
5
C
C
C
C
C
6
6
6
t a
www.semtech.com
6
0
B
+
+
+
+
+
SC2447
n i
o
0
0
0
0
0
T
a
P
g
3 .
3 .
3 .
3 .
3 .
S
d r
s
a
S
c
O
k
P
a
g
2 -
U
e
°
°
°
k
i n
8
V
V
V
V
V
V
V
V
V
C
C
C
V
s t