April 05 REVISION 02

SHEET 9 OF 15

Technical Reference Note

Ultra Low Profile

AUD 10W Series

Typical Application Circuit

A) Single Operation

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)

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.

SW Open : Enable DC-DC

converter

-48V

+Vin

-Vout

-Vin

-

+Vout

PO

RC

ALM

Fuse

SW

GND

Load

SW Close : Halt all DC-DC converter

with RC connected together

Maximum units in parallel: 10pcs

Load

SW

+Vin

-Vout

-Vin

-

+Vout

PO

RC

ALM

+Vin

-Vout

-Vin

-

+Vout

PO

RC

ALM

-48V

GND

Fuse