Datasheet

cui.com
CUI Inc │ SERIES: PQB3-D │ DESCRIPTION: DC-DC CONVERTER date 08/12/2015 │ page 4 of 6
EMC RECOMMENDED CIRCUIT
Recommended external circuit components
Vin (Vdc) 5 12 24 48
FUSE choose according to practical input current
MOV -- S14K25 S14K35 S14K60
C0 1000μF/16V 1000μF/25V 330μF/50V 330μF/100V
C1 4.7μF/50V 4.7μF/50V 4.7μF/50V 4.7μF/100V
LDM1 12μH 12μH 12μH 12μH
C2 4.7μF/50V 4.7μF/50V 4.7μF/50V 4.7μF/100V
C3 10μF 10μF 10μF 10μF
CY1 1nF/2kV 1nF/2kV 1nF/2kV 1nF/2kV
Vin
GND
+Vo
-Vo
(0V)
DCDC
LOAD
C2
LDM1
C0
MOV
FUSE
(a) (b)
C1
CY
Vin
GND
+
1
C3
Figure 1
Table 1
DERATING CURVES
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40-20 0204060
85 105 120
Safe operating area
10 Sec. Max.
Wave Soldering Time
4 Sec. Max.
Peak Temp. 260°C Max.
Time (sec.)
Temperature (°C)
250
200
150
100
50
0
Wave Soldering Prole Temperature Derating Curve
For more information, please visit the product page.