SC1404ITSTR Semtech, SC1404ITSTR Datasheet - Page 14

• 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

.
Simulated overall gain & phase responses (up to 100kHz) is plot-
ted below.
POWER MANAGEMENT
Applications Information
2004 Semtech Corp.
-10
-15
-100
-120
-140
-160
-180
-20
-40
-60
-80
1.00E+02
1.00E+02
25
20
15
10
80
60
40
20
-5
-20
-40
-60
-80
1.00E+02
5
0
20
0
0
1.00E+03
1.00E+03
1.00E+03
Frequency (Hz)
f (Hz)
f (Hz)
1.00E+04
1.00E+04
1.00E+04
1.00E+05
1.00E+05
1.00E+05
14
Measured overall gain & phase response of the single-pole com-
pensation using SC1404 is plotted below.
180
160
140
120
100
>
180
160
140
120
100
-20
-20
1.00E+02
1.00E+02
80
60
40
20
80
60
40
20
0
0
1
8
O
0
<
µ
>
u
=
1
F
p t
0
1
&
t u
0
8
0
0
<
C
µ
1
µ
a
F
0
F
p
1.00E+03
0
1.00E+03
0
µ
F
f (Hz)
f (Hz)
R
e
c
o
1.00E+04
m
1.00E+04
m
e
C
n
d
a
3
1
2
e
p
0
3
PRELIMINARY
0
d
0
0
0
V
p
C
p
p
a
SC1404
www.semtech.com
F
F
F
o
u l
m
e
1.00E+05
p
1.00E+05
e
n
s
t a
o i
n