ADDC02812DAKV 查看數據表（PDF） - Analog Devices
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ADDC02812DAKV Datasheet PDF : 20 Pages
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Typical EMI Curves and Test Setup
ADDC02812DA/ADDC02815DA
130
166
CONDUCTED EMISSIONS CE–101
110
146
RE101 MIL–STD–461D
90
CE101–1 4.5 AMPS
70
126
RE101–1
106
OBSOLETE 50
30
0.0001
0.001
FREQUENCY – MHz
0.01
Figure 13. Conducted Emissions, MIL-STD-461D, CE101,
+28 V Hot Line 100 W Load
86
66
0.0001
0.001
0.01
0.1
FREQUENCY – MHz
Figure 15. Radiated Emissions, MIL-STD-461D, RE101,
100 W Load
130
CONDUCTED EMISSIONS CE–102
110
90
90
RADIATED EMISSIONS RE–102
70
50
70
LIMIT 28VDC
30
RE102–2
50
10
30
0.01
0.1
1
10
FREQUENCY – MHz
Figure 14. Conducted Emissions, MIL-STD-461D, CE102,
+28 V Hot Line 100 W Load
–30
0.01
0.1
1
10
100
FREQUENCY – MHz
1000
Figure 16. Radiated Emissions, MIL-STD-461D, RE102,
Vertical Polarity, 100 W Load
LISN
LISN
TWO METERS OF
TWISTED CABLE
1Ω
2µF
100µF
82nF
+VIN
+VOUT
82nF
–VIN
RETURN
CASE
0.1µF
1/4Ω
GROUND PLANE
NOTE: 100µF CAPACITOR AND 1Ω RESISTOR PROVIDE STABILIZATION FOR 100µH DIFFERENTIAL SOURCE INDUCTANCE
INTRODUCED BY THE LISNs. REFER TO SECTION ON EMI CONSIDERATIONS FOR MORE INFORMATION.
Figure 17. Schematic of Test Setup for EMI Measurements
Note: Figures 13–17 were obtained from measurements on the
ADDC02805SA, a single 5 V dc output converter. Since the
construction and topology of the dual output converters are al-
most identical to the single output converter, and the compo-
nent values of the EMI differential and common filter in the
dual output converters are identical to the single output con-
verter, the subject figures are shown here as typical of the
ADDC028012DA and the ADDC02815DA converters.
REV. 0
–7–
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