Datasheet
cui.com
CUI Inc │ SERIES: PYB15 │ DESCRIPTION: DC-DC CONVERTER date 06/15/2015 │ page 5 of 7
Recommended external circuit components
Vin (Vdc) 24 48
FUSE Choose according to input current
MOV S14K35 S14K60
LDM1 4.7μH 4.7μH
C0 330μF/50V 330μF/100V
C1 1μF/50V 1μF/100V
CY1 1nF/2kV 1nF/2kV
CY2 1nF/2kV 1nF/2kV
EMC RECOMMENDED CIRCUIT
LDM1
C0
MOV
FUSE
(a) (b)
C1
Vin
GND
+
Vin
GND
+Vo
-Vo
(0V)
DC /DC
CY1
CY
2
Cout
LOAD
Figure 1
Table 1
DERATING CURVES
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40-20 0204060
8565
Safe operating area
Without heatsink
With heatsink
Note: 1. See Table 2 for Cout values.
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