Delta Electronics Power Supply Q48SX User Manual

FEATURES  
High efficiency: 90.5% @ 3.3V/35A  
Industry standard quarter brick footprint  
Size: 57.9x36.8x9.5mm(2.28”x1.45”x0.37”)  
(w/o heatspreader)  
57.9x36.8x12.7mm(2.28”x1.45”x0.50”)  
(with heatspreader)  
Fixed frequency operation  
Input UVLO, Output OTP, OCP, OVP  
Output voltage trim +10%, -20%  
Monotonic startup into normal and pre-biased  
loads  
Outstanding dynamic response:  
30mV for 25% load step  
Very low output ripple  
No minimum load required  
Basic insulation  
Frequency synchronization from external  
signal  
ISO 9001, TL 9000, ISO 14001, QS 9000,  
OHSAS 18001 certified manufacturing facility  
UL/cUL 60950 (US & Canada), TUV  
(EN60950) and CE mark pending  
Delphi Series Q48SX, 35A Quarter Brick  
DC/DC Power Modules: 48V in, 3.3V and 5.0V out  
The Delphi Series Q48SX (XENATM 100), Quarter Brick, 48V input,  
single output, isolated DC/DC converters are the latest offering from a  
world leader in power systems technology and manufacturing Delta  
Electronics, Inc. The Q48SX product family provides up to 125 watts of  
power or 35A of output current in an industry standard quarter brick  
footprint and pinout. The open frame construction is optimized for  
convection cooling over a wide operational ambient temperature range.  
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  
OPTIONS  
Surface mount version  
Positive on/off logic  
operating conditions. The output trim pin also serves as  
a
APPLICATIONS  
synchronization function that can greatly reduce output ripple/noise  
when multiple Q48SX modules are used and linked together. This is a  
big boost to those applications that are extremely noise sensitive. All  
Q48SX models are fully protected from abnormal input/output voltage,  
current, and temperature conditions. The Delphi Series converters meet  
all safety requirements with basic insulation.  
Telecom/Datacom  
Wireless Networks  
Optical Network Equipment  
Server and Data Storage  
Industrial/Test Equipment  
Medical Systems  
DATABRIEF  
DB_Q48SX_10272005  
1
Delta Electronics, Inc.  
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