Delta Electronics Series Q48DR User Manual

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DATASHEET 
DS_Q48DR1R833_03162007 
 
Delphi Series Q48DR, 87W-100W, Quarter Brick 
Dual Output, DC/DC Power Modules: 
48V in, 1.8V and 3.3V, 15A out each channel
 
 
The Delphi Series Q48DR Quarter Brick Dual, 48V input, dual output, 
isolated DC/DC converters are latest offering from one of the world’s 
largest power supply manufacturers — Delta Electronics, Inc. This 
product family provides up to 100 watts of power or 15A of output current 
(each channel simultaneously) in an industry standard footprint. Both 
output channels can be used independently of each other with option to 
trim each channel either in the same direction or in reversion direction. 
With creative design technology and optimized circuit, these converters 
possess outstanding electrical and thermal performance, as well as 
extremely high reliability under highly stressful operating conditions. All 
the models are fully protected from abnormal input/output voltage, 
current, and temperature conditions. The Delphi Series converters meet 
all safety requirements with basic insulation.   
APPLICATIONS 
 
Telecom/DataCom 
 
Wireless Networks 
 
Optical Network Equipment 
 
Server and Data Storage 
 
Industrial/Test Equipment
 
 
OPTIONS
 
 
Optional second trim pin for 
independent trim of the two outputs
 
Positive On/Off logic
 
 
Short pin lengths available 
FEATURES  
 
 
  High Efficiency: 88%@ 1.8V/15A, 3.3V/15A
 
   Standard footprint:57.9mmx36.8mmx8.5mm
(2.28”×1.45”×0.33”)     
 
Industry standard pin out 
 
2:1 input voltage range 
 
Fixed frequency operation  
 
Fully protected: OTP, OCP, OVP, UVLO 
 
No minimum load required 
 
1500 V isolation and basic insulation  
 
Two independent power train and separate 
trim for each output 
 
ISO 9001, TL 9000, ISO 14001, QS9000, 
OHSAS18001 certified manufacturing 
facility 
 
UL/cUL 60950 (US & Canada) Recognized, 
and TUV (EN60950) Certified 
 
CE mark meets 73/23/EEC and 93/68/EEC 
directives 
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