Datasheet

PS6R Switching Power Supplies
When increasing the capacity, observe the followings.
1. Maintain the operating temperature below 40C.
2. Output cannot be connected directly in parallel operation.
Connect a diode to the output of each PS6R.
3. Output terminal voltage of both power supplies must be the
same. Also, maintain the voltage difference between the
power supplies below 30mV.
4. Use load lines of the same diameter and length.
5. Set the output voltage higher for the amount of diode forward
voltage drop.
6. Turn on the inputs at the same time.
7. Select a diode in consideration of:
Diode’s reverse voltage must be higher than the PS6R’s
output voltage. Diode’s current must be three times as the
PS6R’s output current. Provide a heat sink for heat dissipa-
tion.
Backup Operation
Backup operation is a connection method of two switching
power supplies in parallel for emergency. Normally one switch-
ing power supply has a sufficient output. If one switching power
supply fails, another one operates to continue the output. Make
sure that the sum of power consumption by load and diode
is not greater than the rated wattage (rated voltage × rated
current) of one switching power supply.
Series Operation
The following series operation is allowed. Connect Schottky
barrier diodes D as shown below. DC-DC converter unit cannot
be connected in series.
L
N
L
N
+V
–V
L
N
+V
–V
Load
(
a
)
L
N
L
N
+V
–V
L
N
+V
–V
Load
Load
(
b
)
Select a Schottky diode in consideration of the rated current.
The diode’s reverse voltage must be higher than the PS6R’s
output voltage.
Parallel Operation
Parallel operation is possible to increase the output capacity.
DC-DC converter unit cannot be connected in parallel.
L
N
L
N
+V
–V
L
N
+V
–V
Load
Operating Instructions
Operating Instructions
12
Warranty
IDEC warrants the PS6R switching power supply for a period of
three years from the date of shipment.
Scope
IDEC agrees to free repair or replacement of the PS6R switch-
ing power supply if the product has been operated under the
following conditions. The maximum value of output capacity is
within the range shown in “Operating Temperature vs.
Output Current on page 7.
1. Average operating temperature (ambient temperature of
switching power supply) is 40°C at maximum.
2. The load is 80% at maximum.
3. Input voltage is the rated input voltage.
4. Standard mounting style
IDEC shall not be liable for other damages including conse-
quential, contingent or incidental damages. Warranty does not
apply if the PS6R switching power supply was subject to:
1. Inappropriate handling, or operation beyond the specifica-
tions.
2. Modification or repair by other than IDEC.
3. Failure caused by other than the PS6R switching power sup-
ply.
4. Failure caused by natural disasters.
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Specications and other descriptions in this brochure are subject to change without notice.
Cat. No. EP1497-0 NOVEMBER 2013 3.2S PRINTED IN JAPAN
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(13/11/08)