AVQ100-36S3V3 DC-DC Converter
10/15
Input Ripple & Inrush Current And Output Ripple & Noise Test
Configuration
Probe
Current Probe
50mm
L1
Vo+
Vin+
DC/DC
Vin-
C1 C2
C3 C4
Cin
Load
Vdc
Vo-
Figure 14 Input ripple & inrush current, ripple & noise test configuration
Vdc: DC power supply
L1: 12µH
Cin: 220µF/100V typical
C1 ~ C4: See Figure 11
Note: Using a coaxial cable with series 50Ω resistor and 0.68µF ceramic capacitor or a ground ring
of probe to test output ripple & noise is recommended.
EMC test conditions
U1
U2
Out+
Out-
1320uH
In+
In-
Vo+
Vo-
Vin+
DC/DC
Vin-
22nF/1000V
C1 C2
C3 C4
1uF/100V
Resistive load
PE
EMI filter
Figure 15 EMC test configuration
U1: 5A input EMC filter module
U2: Module to test, AVQ100-36S3V3
C1 ~ C4: See Figure 11
http://www.emersonnetworkpower.com.cn
ARTESYN [ ARTESYN TECHNOLOGIES ]
