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SC191 Fiches technique(PDF) 9 Page - Semtech Corporation

No de pièce SC191
Description  Low Supply Ripple Synchronous Buck Conversion Regulator
PDF  13 Pages
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Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC191 Fiches technique(HTML) 9 Page - Semtech Corporation

Back Button SC191 Datasheet HTML 5Page - Semtech Corporation SC191 Datasheet HTML 6Page - Semtech Corporation SC191 Datasheet HTML 7Page - Semtech Corporation SC191 Datasheet HTML 8Page - Semtech Corporation SC191 Datasheet HTML 9Page - Semtech Corporation SC191 Datasheet HTML 10Page - Semtech Corporation SC191 Datasheet HTML 11Page - Semtech Corporation SC191 Datasheet HTML 12Page - Semtech Corporation SC191 Datasheet HTML 13Page - Semtech Corporation  
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© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
9
SC191
0
10
20
30
40
50
60
70
80
90
100
0.0100
0.1000
1.0000
0
10
20
30
40
50
60
70
80
90
100
0.0100
0.1000
1.0000
1.19
1.195
1.2
1.205
1.21
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
1.19
1.195
1.2
1.205
1.21
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Efficiency vs. Load Current (FELDO Active)
Efficiency vs. Load Current (FELDO Bypassed)
Line Regulation (FELDO Bypassed)
Load Regulation
V
IN (V)
I
OUT=1mA
I
OUT (A)
V
IN=3V
V
IN=3.6V
V
IN=4.2V
Line Regulation (FELDO Active)
I
OUT (A)
Switching Frequency vs. Temperature
V
IN=3V
V
IN=3.6V
V
IN=4.2V
I
OUT=150mA
I
OUT=330mA
V
IN (V)
I
OUT=1mA
I
OUT=150mA
I
OUT=330mA
1.195
1.2
1.205
1.21
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
I
OUT (A)
V
IN=3V
V
IN=3.6V
V
IN=4.2V
0.95
0.96
0.97
0.98
0.99
1
1.01
-60
-40
-20
0
20
40
60
80
100
120
140
T
J (°C)
V
IN=3.6V
Typical Characteristics



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