Analog Devices EVAL-LT8350-AZ Manual page 6

DEMO MANUAL
EVAL-LT8350-AZ
EMISSION RESULT
80
70
60
50
40
30
20
10
0
–10
–20
0.1 1
FREQUENCY (MHz)
(a) CISPR25 Average, Voltage Method
Figure 10. EVAL-LT8350-AZ CISPR25 Voltage Conducted EMI Performance with 12V
60
50
40
30
20
10
0
–10
–20
–30
–40
–50
–60
0.1 1
FREQUENCY (MHz)
(a) CISPR25 Average, Current Method
Figure 11. EVAL-LT8350-AZ CISPR25 Current Conducted EMI Performance with 12V
60
50
40
30
20
10
0
–10
–20
0.1 1
FREQUENCY (MHz)
(a) CISPR25 Average, Radiated
Figure 12. EVAL-LT8350-AZ CISPR25 Radiated EMI Performance with 12V
6
CLASS 5 AVERAGE LIMIT
EVAL-LT8350-AZ
AMBIENT
10 108
EVAL-8350 F10a
CLASS 5 AVERAGE LIMIT
EVAL-LT8350-AZ
AMBIENT
10 100 300
EVAL-8350 F11a
CLASS 5 AVERAGE LIMIT
EVAL-LT8350-AZ
AMBIENT
10 100 1000
EVAL-8350 F12a
80
70
60
50
40
30
20
10
0
–10
–20
0.1 1
FREQUENCY (MHz)
(b) CISPR25 Peak, Voltage Method
to 12V
IN OUT
60
50
40
30
20
10
0
–10
–20
–30
–40
–50
–60
0.1 1
FREQUENCY (MHz)
(b) CISPR25 Peak, Current Method
to 12V
IN OUT
60
50
40
30
20
10
0
–10
–20
0.1 1
FREQUENCY (MHz)
(b) CISPR25 Peak, Radiated
to 12V at 2.5A, JP1 = DCM + SSFM
IN OUT
CLASS 5 PEAK LIMIT
EVAL-LT8350-AZ
AMBIENT
10
EVAL-8350 F10b
at 2.5A, JP1 = DCM+SSFM
CLASS 5 PEAK LIMIT
EVAL-LT8350-AZ
AMBIENT
10 100
EVAL-8350 F11b
at 2.5A, JP1 = DCM+SSFM
CLASS 5 PEAK LIMIT
EVAL-LT8350-AZ
AMBIENT
10 100 1000
EVAL-8350 F12b
Rev. 0
108
300