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SC191AEVB 数据表(PDF) 9 Page - Semtech Corporation

部件名 SC191AEVB
功能描述  Low Supply Ripple Synchronous Buck Conversion Regulator
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC191AEVB 数据表(HTML) 9 Page - Semtech Corporation

Back Button SC191AEVB Datasheet HTML 5Page - Semtech Corporation SC191AEVB Datasheet HTML 6Page - Semtech Corporation SC191AEVB Datasheet HTML 7Page - Semtech Corporation SC191AEVB Datasheet HTML 8Page - Semtech Corporation SC191AEVB Datasheet HTML 9Page - Semtech Corporation SC191AEVB Datasheet HTML 10Page - Semtech Corporation SC191AEVB Datasheet HTML 11Page - Semtech Corporation SC191AEVB Datasheet HTML 12Page - Semtech Corporation SC191AEVB 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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