SC1404ITSTR Semtech, SC1404ITSTR Datasheet - Page 4

• Manufacturer Part Number: SC1404ITSTR
• Description: IC, PWM CONTROLLER, 28-TSSOP
• Manufacturer: Semtech

Specifications of SC1404ITSTR

• Primary Input Voltage: 15V
• No. Of Outputs: 3
• Output Voltage: 5.25V
• Output Current: 1A
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +85°C
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Unless otherwise noted: V+ = 15V, both PWMs on, SYNC = 0V, VL load = 0mA, REF load = 0mA, PSAVE# = 0V, T
Typical values are at T
POWER MANAGEMENT
Electrical Characteristics Cont.
R
R
r P
o L
R
R
R
o L
o L
V
C
V
V
C
Q
C
v O
v O
O
T
O
T
T
2004 Semtech Corp.
r h
e h
r h
F E
F E
+
r u
+
+
r u
n o
E
E
E
i u
u
u
p o
k c
i g
i g
r e
r e
E S
E S
E S
p t
p t
s e
s e
O
e r
S
h S
e r
s e
m r
u s
I c
I c
o v
o v
g a
u o
i S
a F
a t
p
t u
t u
t n
t n
# T
# T
# T
o h
o h
e c
t u
r e
m
l a
p n
p n
k n
d n
a t l
a t l
l u
i t a
T t
U
U
P
t n
i t a
o d
d l
d l
i t p
T
r P
D
L t
h S
t u
t u
A
d n
d n
y b
e g
e g
n o
m i
p i r
C
l e
R
g n
w
o P
p o
n o
r u
c o
t u
r e
r e
y a
o L
i H
e
A
n
T
a F
u S
D
T
e r
w
g a
p i r
o d
M
o k
o v
o v
u S
h g
l e
r h
w
u S
t l u
r e
T
t n
p p
i t a
E
y a
a t l
a t l
m i
t u
w
s e
o V
p p
T
p p
o V
E T
A
y l
r h
n
n o
o h
e
e g
e g
o V
a t l
= +25°C. Circuit = Typical Application Circuit
y l
a t l
y l
R
s e
C
d l
a t l
D
r u
e g
e g
o h
l e
e r
e g
y a
d l
t n
W
h t i
a F
V
F
i l l
O
o r
+
r
s e
g n
u
L V
W
W
m
=
p t
e p
h t i
h t i
e
a e
w s
t u
V 6
O
O
S
g d
t c
I
M
N
N
O L
h c
r
r
t i
V
d
n i
s e
s e
3
3
, e
o t
S P
o t
A
h c
v i r
+
D
P ,
P ,
T
0 1
l c
S
5
e p
e p
p y
u o
t
3
d e
=
n u
n e
M
d u
p y
I =
n e
A S
A S
m
0
t c
t c
W
V 6
c i
N I
p t
S P
, V
o l
c i
V
s e
b a
v o
O L
2
E V
E V
l a
h t i
A F
o t
o t
t u
P
d a
l a
C
A
%
o b
(
(
i r
a F
o t
r e
D
n e
U
e l
E S
E S
c
y h
, #
, #
O
e s
3
t
U
n u
n u
e r
r u
d e
y h
d
S T
a
r h
i l l
h t
, d
N
=
3
o t
b a
T L
v i r
o b
t s
Q
Q
O
O
p s
e r
D
g n
V 0
t s
s e
n i
o l
o l
R
A 0
N
r e
o
N
N
S
A
e l
n e
=
=
T I
V
e v
t n
E
r e
D
d a
d a
c e
t u
o h
M
o
S ,
N
5
5
R
O
s e
d e
, d
E S
P ,
R
R
O I
E
4
s e
S ,
S ,
D
F E
u p
t t
T U
S P
o L
n i
d e
d e
o
2
E T
d l
E
E
s i
H
N
e g
w
e v
# T
A S
s i
%
O
) F
) F
f o
o t
D
H
H
d a
v t
S
, 5
T C
h t i
=
o v
f f o
u o
u o
U
v r
D
D
N
=
e b
E V
O
S
P T
t l o
0 1
N
N
V 5
a t l
#
t l o
n o
O I
S
p t
p t
P ,
1
H
C
e r
o l
#
, #
, #
%
=
g a
U
D
°
e g
N
t u
g a
t u
p s
w
S
A S
=
S
C
N
S T
Y S
Y S
V 0
, e
M
M
t e
#
o v
o v
c e
R
V 0
E V
S P
N
N
S P
E
a f
a t l
p i r
a t l
t t
E S
C
C
#
i l l
f o
o
e g
e g
=
g n
# T
V
, n
0
T
O
H
; V
S
e
t
C
p i r
g d
; e
7 2
5
M
1 -
1
2
6
0
1 -
0 ,
7
8 .
4 .
A
N I
5
0
2
0
=-40 to 85°C.
0
0
3
+
6
T
3
2
1
1
0 1
0 1
0 1
7
4 1
1
9 -
0 ,
P Y
0
3
6
5 .
5 .
5
5
0
0
4
0
0
PRELIMINARY
7 3
7
M
SC1404
www.semtech.com
2
0
5
1
1
8
0
5 -
0 ,
A
2 .
6 .
0
5
5
5
0
0
X
0
0
U
l c
l c
m
I N
A µ
A µ
s µ
°
s µ
%
%
%
V
V
V
s k
s k
W
C
S T