Technical Reference Note
Ultra Low Profile
AUM 10W Series
Typical Application Circuit
A) Single Operation
GND
-48V
Fuse
SW
+Vin
-Vin
-
PO
RC
ALM
+Vout
-Vout
Load
SW Open : Enable DC-DC
converter
Figure 1
B) Parallel Operation (A single power supply connects to multiple DC-DC converters to apply for higher output
current more than rated one from a DC-DC converter)
GND
-48V
Fuse
SW
+Vin
-Vin
-
PO
RC
ALM
+Vout
-Vout
Load
+Vin
-Vin
-
PO
RC
ALM
SW Close : Halt all DC-DC converter
with RC connected together
Maximum units in parallel: 10pcs
+Vout
-Vout
Figure 2
i) All PO pins should be connected together
ii) All DC-DC converters with ALM pins connected will stop the operation when one single converter is halted in
mode protected by LVP or OVP.
iii) LED is optionally connected to ALM pin for the notice of DC-DC converter stoppage.
MODEL : AUM 10W
SERIES
April 05 REVISION 02
SHEET
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