SC1404ITSTR View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC1404ITSTR' PDF : 27 Pages View PDF
SC1404
POWER MANAGEMENT
Applications Information
.
25
20
15
10
5
0
-5
-10
-15
1.00E+02
1.00E+03
f (Hz)
1.00E+04
1.00E+05
PRELIMINARY
180
160
140
120
100
80
60
40
20
0
-20
1.00E+02
1.00E+03
f (Hz)
1.00E+04
1.00E+05
20
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
1.00E+02
1.00E+03
1.00E+04
Frequency (Hz)
1.00E+05
Simulated overall gain & phase responses (up to 100kHz) is plot-
ted below.
Measured overall gain & phase response of the single-pole com-
pensation using SC1404 is plotted below.
180
160
140
120
100
80
60
40
20
0
-20
1.00E+02
1.00E+03
1.00E+04
f (Hz)
1.00E+05
80
60
40
20
0
-20
-40
-60
-80
1.00E+02
1.00E+03
f (Hz)
1.00E+04
1.00E+05
Output Cap
< = 180µF
> 180µF & <1000µF
>1000µF
Recommended Compensation
Cap Value
100pF
200pF
330pF
2004 Semtech Corp.
14
www.semtech.com
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