Datasheet

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CUI Inc │ SERIES: PDS1-D │ DESCRIPTION: DC-DC CONVERTER date 10/10/2014 │ page 4 of 6
EMC RECOMMENDED CIRCUIT
TEST CONFIGURATION
Recommended external circuit components
Vin
(Vdc)
C0 LDM
3.3 4.7μF/50V 6.8μH
5 4.7μF/50V 6.8μH
12 4.7μF/50V 6.8μH
15 4.7μF/50V 6.8μH
24 4.7μF/50V 6.8μH
External components
Lin 4.7μH
Cin
220μF, ESR < 1.0Ω
at 100 kHz
Vin
GND
+Vo
0V
EUT LO
AD
LDM
C0
Vin
GN
D
DC
Cin
Lin
DC
Load
Oscilloscope
Current
Probe
DERATING CURVES
10 20 30 40 50 60 70 80 90 100
10
-10
0
2.5
5
7.5
-2.5
-5
-7.5
Typical Load Line
Rated Output Voltage
2.5
-2.5
-7.5
Output Current Percentage (%)
(Nominal Input Voltage)
Tolerance Envelope Curve
Output Voltage Accuracy (%)
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40-20 0204060
85 105 120
Temperature Derating Curve
Safe operating area
Figure 1
Figure 2
Table 1
Table 2
Note: 1. Input reected-ripple current is measured with an inductor Lin and capacitor Cin to simulate source impedance.
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