Instructions

INSTRUCTION MANUAL
CCG
TDKLambda
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5. Terminal connecting method
In order to use the CCG series, this power supply must be connected with external components
according to Fig.51.
If it is connected to wrong terminal, the power supply will be damaged. Pay attention to each wiring.
Fig.51 Basic connection
F1 : Input Fuse
This CCG series has no builtin fuse.
Use external fuse to comply various Safety Standards and to improve safety.
Moreover, use normalblow type for every power supply.
Furthermore, fuse must be connected to +Vin side if Vin side is used as ground, or fuse must be
connected to Vin side if +Vin side is used as ground.
Consider margin over the actual input voltage to be used when selecting fuse. Moreover, consider
I
2
t fuse rating for surge current (inrush current) during line throwin.
Input Fuse Recommended Current Rating
CCG3024xxS : 10A or lower
CCG3048xxS : 6.3A or lower
C1 : External Input Capacitor
To prevent the effect of input line inductance to the power supply, connect electrolytic capacitor
between +Vin and Vin terminals.
Recommended Capacitance
CCG3024xxS : 120μF or more
CCG3048xxS : 47μF or more
Note) 1.Use low impedance electrolytic capacitor with excellent temperature characteristics.
(Nippon ChemiCon KZE series or equivalent)
2.When input line inductance becomes excessively high due to insertion of choke coil,
operation of the power supply could become unstable. For this case, increase capacitance
of electrolytic capacitor more than recommended capacitance.
CCG
+Vin
RC
+Vout
Vout
C1
Vin
Load
TRM
F1
+

Vin