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SC2308AEVB Datasheet(PDF) 5 Page - Semtech Corporation

Part # SC2308AEVB
Description  600kHz Step-Up Switching Regulator with 2.2A, 45V Switch
PDF  17 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2308AEVB Datasheet(HTML) 5 Page - Semtech Corporation

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5
Typical Characteristics
Percentage Frequency
Variation vs Temperature
-15
-10
-5
0
5
-50
-25
0
25
50
75
100
125
Temperature (oC)
VIN = 3V
Switch Current Limit vs Temperature
2.0
2.2
2.4
2.6
2.8
3.0
-50
-25
0
25
50
75
100
125
Temperature (oC)
VIN = 3V
Error Amplifier Open-Loop
Gain vs Temperature
40
45
50
55
-50
-25
0
25
50
75
100
125
Temperature (oC)
VIN = 3V
Error Amplifier
Transconductance vs Temperature
20
25
30
35
40
45
50
-50
-25
0
25
50
75
100
125
Temperature (oC)
VIN = 3V
Feedback Voltage vs Temperature
1.20
1.21
1.22
1.23
-50
-25
0
25
50
75
100 125
Temperature (
oC)
VIN = 3V
Efficiency vs Load Current
VOUT = 5V
20
30
40
50
60
70
80
90
100
0
200
400
600
800
1000 1200
Load Current (mA)
VIN = 3.3V
E fficiency vs Load C urrent
VOUT = 12V
20
30
40
50
60
70
80
90
100
0
200
400
600
800
Load Current (mA)
V IN = 5V
V IN = 3.3V
Switch Saturation
Voltage vs Switch Current
0
100
200
300
400
500
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
S witch Current (A)
V IN = 3V
105oC
-45oC
25oC
IN Pin Current vs Switch Current
0
20
40
60
80
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
S witch Current (A)
V IN = 3V
25oC
SC2308A



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