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XR79110EVB 数据表(PDF) 11 Page - Exar Corporation

部件名 XR79110EVB
功能描述  22V, 10A Synchronous Step Down COT Power Module
PDF  20 Pages
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制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

XR79110EVB 数据表(HTML) 11 Page - Exar Corporation

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© 2015 Exar Corporation
XR79110
11 / 20
exar.com/XR79110
Rev 2A
Efficiency and Package Thermal Derating
Unless otherwise noted: TAMBIENT = 25°C, No Air flow, f=500kHz, Schematic from the application information section.
Figure 19: Efficiency, VIN=5V
Figure 20: Maximum TAMBIENT vs IOUT, VIN=5V
Figure 21: Efficiency, VIN=12V
Figure 22: Maximum TAMBIENT vs IOUT, VIN=12V
Figure 23: Efficiency, VIN=19.6V
Figure 24: Maximum TAMBIENT vs IOUT, VIN=19.6V
60
65
70
75
80
85
90
95
100
0.1
1.0
10.0
IOUT (A)
1.8V DCM
1.8V CCM
1.2V DCM
1.2V CCM
50
60
70
80
90
100
110
120
130
12345
6789
10
IOUT (A)
1.2 VOUT
1.8 VOUT
50
60
70
80
90
100
110
120
130
12
345
678
9
10
IOUT (A)
1.0 VOUT
1.8 VOUT
3.3 VOUT
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
0.1
1.0
10.0
IOUT (A)
3.3V DCM
3.3V CCM
2.5V DCM
2.5V CCM
1.8V DCM
1.8V CCM
1.5V DCM
1.5V CCM
1.2V DCM
1.2V CCM
1.0V DCM
1.0V CCM
600kHz
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100
0.1
1.0
10.0
IOUT (A)
3.3V DCM
3.3V CCM
2.5V DCM
2.5V CCM
1.8V DCM
1.8V CCM
1.5V DCM
1.5V CCM
1.2V DCM
1.2V CCM
1.0V DCM
1.0V CCM
50
60
70
80
90
100
110
120
130
12345678
9
10
IOUT (A)
1.0 VOUT
1.8 VOUT
3.3 VOUT



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