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SC1485 Scheda tecnica(PDF) 13 Page - Semtech Corporation

Il numero della parte SC1485
Spiegazioni elettronici  Dual Synchronous Buck Pseudo Fixed Frequency Power Supply Controller
PDF  17 Pages
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Produttore elettronici  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1485 Scheda tecnica(HTML) 13 Page - Semtech Corporation

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 2004 Semtech Corp.
www.semtech.com
SC1485
POWER MANAGEMENT
SC1485EVB Efficiency at Vout = 1.8V
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
2
3456
Output Current (Amps)
VIN= 25V
VIN=14V
VIN=4.5V
Typical Characteristics
SC1485 Efficiency at Vout = 3.3V
40
50
60
70
80
90
100
0.001
0.01
0.1
1
2
3
4
5
6
Load Current (Amps)
VIN=25V
VIN=14V
VIN=4.5V
SC1485EVB Load Regulation at Vout = 1.8V
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0
1
23
45
6
Load Current (Amps)
Vin= 25V
Vin= 19V
Vin= 14V
Vin= 10V
Vin= 4.5V
SC1485 Load Regulation at Vout = 3.3V
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.25
01234
56
Load Current (Amps)
VIN=25V
VIN=19V
VIN=14V
VIN=10V
VIN=4.5V
SC1485EVB Line Regulation at Vout = 1.8V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
4.5
1014
1925
Line Voltage (Volts)
IL = 0A
IL = 1A
IL = 2A
IL = 3A
IL = 4A
IL = 5A
IL = 6A
SC1485 Line Regulation at Vout = 3.3V
0
0.2
0.4
0.6
0.8
1
1.2
4.5
10141925
Input Voltage (Volts)
IOUT=0A
IOUT=1A
IOUT=3A
IOUT=4A
IOUT=5A
IOUT=6A



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