Delta Electronics Power Supply Q48DM User Manual

FEATURES  
High efficiency: 88.5% @ 3.3V/12A &  
1.2V/25A  
Size: 57.9mm×36.8mm×9.7 mm  
(2.28” ×1.45” ×0.38”)  
Industry standard footprint and pinout  
Flexible current allocation on each output  
Low voltage output (O/P 2) starts up first  
Output 2 can be adjusted (trim)  
Fixed frequency operation  
Input UVLO, Output OCP, OVP, OTP  
No minimum load required  
1500V Isolation and basic insulation  
ISO 9001, TL 9000, ISO 14001, QS9000,  
OHSAS18001 certified manufacturing  
facility  
UL/cUL 60950-1 (US & Canada), and TUV  
(EN60950-1) - pending  
Delphi Series Q48DM, 75W Quarter Brick,  
Dual Output DC/DC Power Modules:  
3.3V/12A and 1.2V/25A  
OPTIONS  
The Delphi Series Q48DM Quarter Brick, 48V input, dual output,  
isolated DC/DC converters are the latest offering from a world leader  
in power system and technology and manufacturing — Delta  
Electronics, Inc. This product family provides up to 75 watts of dual  
positive regulated outputs with a flexible combination of output current  
and in a very cost effective industry standard footprint. Both output  
channels can be used independently. There is a trim function to be  
used with the second output voltage (the lower output voltage). With  
creative design technology and optimization of component placement,  
these converters possess outstanding electrical and thermal  
performance, as well as extremely high reliability under highly stressful  
operating conditions. All models are fully protected from abnormal  
input/output voltage, current, and temperature conditions. The Delphi  
Series Q48DM converters meet all safety requirements with basic  
insulation.  
Positive On/Off logic  
Heatsink available for extended  
operation  
APPLICATIONS  
Telecom / DataCom  
Wireless networks  
Optical network equipment  
Server and data storage  
Industrial / Test Equipment  
PRELIMINARY DATABRIEF  
DB_Q48DM_02142008  
1
Delta Electronics, Inc.  
 

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