3
TDK-Lambda
LS
25-150
Series
INSTRUCTION MANUAL
3-7. Series Operation
For series operation, either method ( A ) or ( B ) is possible.
Method ( A ) Method ( B )
O utput
Terminal
O utput
Terminal
Load
P ower
Supply
Power
Supply
Load
Load
Output
Terminal
Output
Terminal
Note : In case of Method ( A ), please connect diodes to prevent the reverse voltage.
3-8. Parallel Operation
(A)
Operation to increase the Output Current is not possible.
(B)
Operation as a Backup Power Supply is possible as follows.
1.
Set the power supply output voltage higher by the amount of forward voltage drop ( V
F
) of the diode.
2.
Please adjust the output voltage of each power supply to be the same.
3.
Please use within the specifications for output voltage and output current.
(A) (B)
Load
Output
Terminal
Output
Terminal
Power
Supply
Output
Terminal
Output
Terminal
Load
Power
Supply
