PDS1-S_14 Datasheet, PDF (4/6 Pages) CUI INC – DC-DC CONVERTER

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CUI Inc │ SERIES: PDS1-S │ DESCRIPTION: DC-DC CONVERTER
DERATING CURVES
date 10/28/2014 │ page 4 of 6
Tolerance Envelope Curve
10
7.5
5
2.5
Typical _{Load Line}
0
-2.5
2.5
Rated Output Voltage
-2.5
-5
-7.5
-7.5
-10
10
20
30
40
50
60
70
80
90
100
Output Current Percentage (%)
(Nominal Input Voltage)
Temperature Derating Curve
100
80
60
Safe operating area
40
20
-40 -20
0
20
40
60
85
Ambient Temperature (°C)
105 120
EMC RECOMMENDED CIRCUIT
Vin
GND
Figure 1
LDM
Vin
+Vo
C0
EUT
GND
0V
L O AD
Table 1
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
TEST CONFIGURATION
Figure 2
Oscilloscope
Lin
DC DC ^Current
Cin Probe
Load
Table 2
External components
Lin
4.7μH
Cin
220μF, ESR < 1.0Ω
at 100 kHz
Note: Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
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