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SC191AEVB 数据表(PDF) 10 Page - Semtech Corporation

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

SC191AEVB 数据表(HTML) 10 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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10
© 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC191
0
100
200
300
400
500
600
-60
-40
-20
0
20
40
60
80
100
120
140
0.965
0.97
0.975
0.98
0.985
0.99
0.995
1
1.005
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
1
1.5
2
2.5
3
3.5
4
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
0
50
100
150
200
250
300
350
400
-60
-40
-20
0
20
40
60
80
100
120
140
P-Channel R
DSON vs. Temperature
N-Channel R
DSON vs. Temperature
Load Transient Response
V
IN=3.6V, VOUT=1.2V
V
OUT
100mV/DIV
I
OUT
33 to 330mA
200μs/Div
Quiescent Current vs. Input Voltage
V
IN (V)
Switching Frequency vs. Input Voltage
Start-Up
T
J (°C)
T
J (°C)
200μs/Div
V
OUT
500mV/DIV
ENABLE
5V/DIV
V
IN=3.6V, IOUT=300mA
V
IN (V)
T
J=85
o
C
T
J=25
o
C
T
J=-40
o
C
Typical Characteristics (Cont.)



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