FEATURES

High Efficiency: 95.5% @9.6V/31A

Standard footprint: 57.9 x 36.8 x 12.7mm

(2.28”x1.45”x0.5”)

Industry standard pin out

Fully protected:OTP, OCP, Input OVP, UVLO

2250V isolation

Basic insulation

No minimum load required

Current sharing

ISO 9001, TL 9000, ISO 14001, QS 9000,

OHSAS 18001 certified manufacturing facility

UL/cUL 60950 (US & Canada), and TUV

(EN60950) Certified

CE mark meets 73/23/EEC and +3/68/EEC

directives

Delphi Series Q48SB, 300W Bus Converter

DC/DC Power Modules: 48V in, 9.6V/31A out

The Delphi Series Q48SB, 48V input, single output, quarter brick, 300W bus

converters are 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. The Delphi Series Q48SB

operates from a nominal 48V input and provides up to 300W of power or up

to 31A of output current in an industry standard quarter brick footprint. The

Q48SB product currently supports two input ranges: the Q48SB120 features

an input voltage range of 42V to 53V and provides 4:1 unregulated output of

12V at 20A or 25A. The Q48SB108 features a wider input voltage range of

36V to 60V and provides 5:1 unregulated output of 9.6V at up to 31A.

Typical efficiency for the 9.6V/31A or 10.8V/28A module is 95.5%. 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.

OPTIONS

Positive On/Off logic

Short pin lengths

Heatsink available for extended

operation

APPLICATIONS

Datacom / Networking

Wireless Networks

Optical Network Equipment

Server and Data Storage

Industrial/Testing Equipment

DATASHEET

DS_Q48SB10828_11062006