Delta Electronics Power Supply Q48SB User Manual

FEATURES  
Input voltage range: 38V~55V  
High efficiency: 96.0% @ 12V/20A  
Size: 63.5mm x 31.8mm x 11.4mm  
(2.50” x 1.25” x 0.45”)  
Industry standard pinout  
Fully protected: Input UVLO, OVP, Output  
OCP and OTP  
Parallelable for higher output power  
2250V isolation  
Basic insulation  
Monotonic startup  
No minimum load required  
ISO 9001, TL 9000, ISO 14001, QS 9000,  
OHSAS 18001 certified manufacturing  
facility  
UL/cUL 60950 (US & Canada), and TUV  
(EN60950) - pending  
CE mark meets 73/23/EEC and 93/68/EEC  
- pending  
Delphi Series Q48SB, 240W Bus Converter  
DC/DC Power Modules: 48V in, 12V/20A out  
OPTIONS  
The Delphi Series Q48SB, 48V input, single output, vertically  
mounted quarter brick, 240W bus converter is the latest offering from  
a world leader in power systems technology and manufacturing —  
Delta Electronics, Inc. This product family supports intermediate bus  
architectures and powers multiple downstream non-isolated point-of-  
load (POL) converters and devices. The Delphi Series Q48SB  
operates from a nominal 48V input and provides up to 240W of  
power or 20A of output current in an industry standard vertically  
mounted quarter brick footprint. Typical efficiency for the 12V/20A  
module is 96%. With optimized component placement, creative  
design topology, and numerous patented technologies, the Q48SB  
bus converter delivers outstanding electrical and thermal  
performance. An optional heatsink is available for harsh thermal  
requirements.  
Positive On/Off logic  
Heatsink available for extended  
operation  
OTP and OCP mode (Auto restart  
or latch)  
APPLICATIONS  
Datacom / Networking  
Wireless Networks  
Optical Network Equipment  
Server and Data Storage  
Industrial/Testing Equipment  
PRELIMINRY DATABRIEF  
DB_Q48SB12020NVFA_08312007  
1
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