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SC2441AEVB Fiches technique(PDF) 15 Page - Semtech Corporation

No de pièce SC2441AEVB
Description  1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
PDF  37 Pages
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Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2441AEVB Fiches technique(HTML) 15 Page - Semtech Corporation

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 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC2441A
Typical Characteristics
Boost Section Feedback Pin Bias Current vs
Temperature
25
30
35
40
45
50
55
60
65
-50
-25
0
25
50
75
100 125
Temperature (°C)
Boost Section Amplifier Transconductance vs
Temperature
55
65
75
85
95
105
-50
-25
0
25
50
75
100 125
Temperature (°C)
Boost Section Amplifier Open Loop Gain vs
Temperature
50
51
52
53
54
55
56
-50
-25
0
25
50
75
100 125
Temperature (°C)
Boost Section Switch Saturation Voltage vs
Temperature
0.25
0.27
0.29
0.31
0.33
0.35
-50
-25
0
25
50
75
100 125
Temperature (°C)
ISW = 0.6A
Boost Section Switch Current Limit vs
Temperature
0.60
0.65
0.70
0.75
0.80
0.85
0.90
-50
-25
0
25
50
75
100 125
Temperature (°C)
Boost Section Feedback Voltage vs Temperature
1.20
1.22
1.24
1.26
1.28
-50
-25
0
255075
100
125
Temperature (°C)
1.8V < VIN < 16.5V
Bottom Gate Driver Transition Time vs Load
Capacitance
0
20
40
60
80
100
01
10
Load Capacitance (nF)
VCC = 12V
tr
tf
25°C
Bottom Gate Driver Transition Time vs Load
Capacitance
0
20
40
60
80
100
01
10
Load Capacitance (nF)
VCC = 5V
tr
tf
25°C



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