Datasheet

cui.com
date 02/12/2015 │ page 5 of 7CUI Inc │ SERIES: VQA │ DESCRIPTION: DC-DC CONVERTER
1
2
6
5
7
V
C3
+
C1
+
Vin
Load
EUT
A
Vin
GND
+Vo
0V
-Vo
1
2
7
6
5
V
C2
+
C1
+
Vin
Load
EUT
A
Vin
GND
+Vo
0V
-Vo
Vin
GND
+Vo
-Vo
(0V)
EUT LOAD
LDM
C1
Vin
GND
TEST CONFIGURATION
EMC RECOMMENDED CIRCUIT
C1,C2,C3:100μF/35V(lowimpedance)
Recommended external circuit components
Vin
(Vdc)
C1 LDM
12 4.7μF/50V 12μH
15 4.7μF/50V 12μH
24 4.7μF/50V 12μH
Figure 1
Figure 2
Table 1
PERFORMANCE CURVES (CONTINUED)
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Efficiency η (%)
Current I
O
1 (mA)
20
18
16
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60 70 80 90 100
Voltage VO1 (V)
Current I
O
1 (mA)
VQA-S15-S9-SIP VQA-S15-S9-SIP
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Efficiency η (%)
Current IO1 (mA)
20
18
16
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60 70 80 90 100
Voltage VO1 (V)
Current IO1 (mA)
VQA-S15-D9-SIP VQA-S15-D9-SIP
1.outputcurrentvs.efciency 2. output current vs. output voltage
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