Datasheet

cui.com
CUI Inc │ SERIES: VHK50W │ DESCRIPTION: DC-DC CONVERTER date 12/17/2013 │ page 4 of 9
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-4055606570758085
Ambient Temperature - degrees C
Relative Output Power - % of nominal output
Natural
Convection
0.5 m/S
(100LFM)
1.0 m/S
(200LFM)
1.5 m/S
(300LFM)
2.0 m/S
(400LFM)
2.5 m/S
(500LFM)
3.0 m/S
(600LFM)
3.5 m/S
(700LFM)
VHK50W Power Derating Curves At Nominal Input
C4
DC/DC Converter
CASE
+Vo
-Vo
+Vin
C1
-Vin
L2
C3C2
L1
+Vo
-Vo
+Vin
-Vin
-S
+S
DERATING CURVES
EMC RECOMMENDED CIRCUITS
Figure 1
Figure 2
Recommended Circuit for EN55022 Class A
(for all 3.3, 5, 12, 15, 24, & 28 Vdc output models)
EN55022 CLASS A
Table 1
TEST CONFIGURATION
C1 Cin
L1
To Oscilloscope
+Vin
-Vin
+Vo
-Vo
R-Load
Vin
+
-
Note: Input refl ected-ripple current is measured with an inductor L1 and Capacitor C1 to simulate source impedance.
External components
L1 12H
C1 220F, ESR < 0.1 at 100 KHz
Cin 100F, ESR < 0.1 at 100 KHz
For more information, please visit the product page.