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SC1175CSWTRT

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
162004 Semtech Corp.
www.semtech.com
SC1175
POWER MANAGEMENT
Typical Characteristics - 2 Independent Channels (Cont.)
Figure 10: Start-up Power On Figure 10: Start-up Power On
Figure 10: Start-up Power On Figure 10: Start-up Power On
Figure 10: Start-up Power On
Chan. 1 = Output Current. 2A/DIV.
Chan. 2 = 5V Bias Voltage
Figure 11: Power OffFigure 11: Power Off
Figure 11: Power OffFigure 11: Power Off
Figure 11: Power Off
Chan. 1 = Output Current. 2A/DIV.
Chan. 2 = 5V Bias Voltage
17
2004 Semtech Corp.
www.semtech.com
SC1175
POWER MANAGEMENT
The Independent Channels Evaluation Board is not intended for a specific application. The power components
are not optimized for minimum cost and size. This evaluation board should be used to understand the operation
of the SC1175.
To design with the SC1175 for specific independent channels applications. Please refer to: Application note
AN00-4.
Typical Characteristics - 2 Independent Channels Efficiency Test
70
75
80
85
90
95
100
0123456
OUTPUT CURRENT
EFFICIENCY
Vin = 12V Vout =
2.0V
Vin = 5V Vout =
1.25V
Figure 12:Figure 12:
Figure 12:Figure 12:
Figure 12:
182004 Semtech Corp.
www.semtech.com
SC1175
POWER MANAGEMENT
Evaluation Board Schematic - 2 Independent Channels
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

SC1175CSWTRT

Mfr. #:
Buy SC1175CSWTRT
Manufacturer:
Semtech
Description:
Switching Controllers DUAL SYNCH D//DC CNTRL SHR CIR
Lifecycle:
New from this manufacturer.
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