SC2544TSTRT Semtech, SC2544TSTRT Datasheet - Page 4

• Manufacturer Part Number: SC2544TSTRT
• Description: IC CTRL/REG SYNC BUCK 24-TSSOP
• Manufacturer: Semtech
• Type: Step-Down (Buck)r

Specifications of SC2544TSTRT

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: Adj to 0.75V
• Frequency - Switching: 100kHz ~ 300kHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Other names: SC2544TSTR

Unless specified: T
Note:
(1) Guaranteed by design.
© 2005 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Pin Configurations
P
D
D
D
G
G
D
O
O
P
P
T
T
h
h
a
o
o
r
R
R
a
a
e
V
V
v i
e r
e r
a r
w
e t
e t
a
w
V
V
P
P
d
r e
r e
ERROUT1
ERROUT1
s
s
H
L
r e
m
D
D
T
h
h
, 1
i T
, 1
h
o
o
t e
DRVH1
DRVH1
G
i r
i r
g
m
e r
d l
d l
e v
e v
D
ILIM1
ILIM1
BST1
BST1
o
r e
D
o
SS1
SS1
e
s
o
FB1
FB1
R
o
V
V
R
h
d
R
F
V
d
o
o
V
o
l l a
s i
a t l
a t l
P
A
L
d l
H
= 25
e
2
l l u
2
g
g
V
i T
D
i T
e
e
D
o
D
o
m
i r
m
C, V
a t l
i r
o
e v
e
1
1
e v
e
w
g
IN
9 (
24
24
1 (
e
n
=16V, Fs=200KHz
C
7
7
C
0
0
r u
r u
%
%
e r
e r
o t
t n
o t
t n
1
9
0
0
%
%
)
)
19
19
13
13
BST2
BST2
ERROUT2
ERROUT2
ILIM2
ILIM2
DRVH2
DRVH2
FB2
FB2
SS2
SS2
V
V
c c
c c
F
F
F
T
=
=
e
B
e
1
1
B
e
t s
S
S
0
0
1
1
d
i S
, V
, V
o
o
&
&
b
C
u
u
k n
a
c r
c r
C
C
o
F
F
k c
n
/ e
/ e
O
O
B
B
1
U
U
d
4
2
2
i S
i S
T
T
m
o v
t i
=
=
l a f
Notes:
(1) Only available in tape and reel packaging. A reel
(2) Lead free package. Device is fully WEEE and RoHS compiant.
r
A
Ordering Information
k n
k n
o i
a t l
s i
1
1
S
S
n i l
n
n i
0
0
vices for TSSOP-8 package.
contains 3000 devices for MLPQ-24 package and 2500 de-
g
C
C
0
0
s
P
g
e
g
2
2
0
0
ERROUT1
ERROUT1
a
5
5
p
p
PHASE1
PHASE1
t r
4
4
F
F
DRVH1
DRVH1
DRVL1
DRVL1
PGND
PGND
4
4
N
ILIM1
ILIM1
BST1
BST1
T
M
VCC
VCC
FB1
FB1
SS1
SS1
VIN
VIN
u
S
EN
EN
L
m
T
T
R
R
b
r e
T
T
1 (
1 (
( , )
( , )
) 2
) 2
M
1
1
2
2
3
3
4
4
n i
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
24 PIN TSSOP
Top View
T
M
P
S
a
L
S
c
P
k
O
Q
0
a
0
0
T
P
0
0
6 .
2 -
3
3
8
g
8 .
5 .
y
18
18
17
17
16
16
15
15
14
14
13
13
2 -
24
24
22
22
21
21
20
20
19
19
5 .
5 .
23
23
0
0
0
7
e
4
p
9
7
5
4
T
e
4 -
4 -
m
M
0
0
0
www.semtech.com
SC2544
. p
ERROUT2
ERROUT2
SS2
SS2
ILIM2
ILIM2
BST2
BST2
DRVH2
DRVH2
PHASE2
PHASE2
DRVL2
DRVL2
PVCC
PVCC
o
o
AGND
AGND
ROSC
ROSC
PWRGD
PWRGD
FB2
FB2
a
4 .
C
C
x
R
o t
o t
a
n
+
+
g
8
8
U
e
5
5
n
n
n
o
o
i n
T (
A
A
V
V
V
V
C
C
S
S
S
s t
A
)